Re: USB driver resets

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Mathias, Mika, thanks very much for your help.

On 04/12/2018 15:09, Mika Westerberg wrote:
On Tue, Dec 04, 2018 at 04:45:33PM +0200, Mathias Nyman wrote:
On 19/11/2018 15:27, Richard van der Hoff wrote:
I have a USB-3.1 dock, which I use for video (via displayport alt mode) and power delivery, as well as keyboard, mouse, etc.

From time to time, all connectivity with the dock drops out for a few seconds, before resetting itself. I'm trying to pin down if this is a problem with the usb drivers, pci drivers, laptop hardware, or the dock. It looks to me from the dmesg output like it could be a problem at the PCI layer, but I am only speculating really.

Attached are the dmesg output during the problem, lsusb -v, and lspci -v. They are all recorded with a 4.15.0 kernel; I've seen exactly the same symptoms with a number of kernels between 4.8 and 4.15.


Mika (cc) would be the right person to contact about these kind of thunderbolt related issues.
I'm sure he would appreciate logs with a 4.19 - 4.20-rcx kernel.

I've attached the kernel log output from a 4.19 kernel. I've actually had some other problems with a 4.19 kernel [1] so have gone back to the 4.15 kernel for now, but please do let me know if there is anything specific I should try.

I've also re-attached the lsusb -v and lspci -v output (from a 4.15 kernel) for your reference.

Right, those would help and also some knowledge about which system and
dock we are dealing with :)

Sorry. The system is a Dell XPS13 9350, with an Intel DSL6340 Thunderbolt 3 bridge.

The dock is a Plugable UD-CA1 [2].

Also if you have dual boot or similar, do you experience similar issue
in Windows side?

I do have dual-boot, though I very rarely boot into Windows. Since the issue is somewhat intermittent (for some reason it seems to happen particularly when I'm in a video conference...) I wouldn't have a huge amount of confidence of being able to reproduce it under Windows.

Thanks again.


[1] https://bugzilla.kernel.org/show_bug.cgi?id=201853
[2] https://plugable.com/products/ud-ca1/
[ 1987.411132] usb 3-1: USB disconnect, device number 2
[ 1987.411135] usb 3-1.1: USB disconnect, device number 3
[ 1987.411137] usb 3-1.1.3: USB disconnect, device number 5
[ 1987.411553] usb 3-1.1.3: cannot submit urb (err = -19)
[ 1987.412833] usb 3-1.1.3: cannot submit urb (err = -19)
[ 1987.470866] xhci_hcd 0000:39:00.0: remove, state 1
[ 1987.470890] usb usb4: USB disconnect, device number 1
[ 1987.470897] usb 4-1: USB disconnect, device number 2
[ 1987.470903] usb 4-1.1: USB disconnect, device number 3
[ 1987.470909] usb 4-1.1.4: USB disconnect, device number 4
[ 1987.471097] xhci_hcd 0000:39:00.0: xHCI host controller not responding, assume dead
[ 1987.471148] r8152 4-1.1.4:1.0 enx00249b194c4f: Stop submitting intr, status -108
[ 1987.523784] usb 3-1.3: USB disconnect, device number 4
[ 1987.523788] usb 3-1.3.2: USB disconnect, device number 7
[ 1987.527051] xhci_hcd 0000:39:00.0: USB bus 4 deregistered
[ 1987.527059] xhci_hcd 0000:39:00.0: remove, state 1
[ 1987.527067] usb usb3: USB disconnect, device number 1
[ 1987.859010] usb 3-1.4: USB disconnect, device number 6
[ 1987.859015] usb 3-1.4.2: USB disconnect, device number 9
[ 1987.917261] usb 3-1.4.4: USB disconnect, device number 10
[ 1987.918866] xhci_hcd 0000:39:00.0: Host halt failed, -19
[ 1987.918871] xhci_hcd 0000:39:00.0: Host not accessible, reset failed.
[ 1987.919082] xhci_hcd 0000:39:00.0: USB bus 3 deregistered
[ 1987.919679] pcieport 0000:02:00.0: Refused to change power state, currently in D3
[ 1987.929146] pci_bus 0000:03: busn_res: [bus 03] is released
[ 1987.929311] pci_bus 0000:04: busn_res: [bus 04-38] is released
[ 1987.929546] pci_bus 0000:39: busn_res: [bus 39] is released
[ 1987.929687] pci_bus 0000:02: busn_res: [bus 02-39] is released
[ 1988.103468] ACPI Error: Cannot release Mutex [PATM], not acquired (20180810/exmutex-359)
[ 1988.103504] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.ECDV._Q66, AE_AML_MUTEX_NOT_ACQUIRED (20180810/psparse-516)
[ 1992.605108] ACPI BIOS Error (bug): Failure creating [\_GPE._E42.SPRT], AE_ALREADY_EXISTS (20180810/dswload2-316)
[ 1992.605124] ACPI Error: AE_ALREADY_EXISTS, During name lookup/catalog (20180810/psobject-221)
[ 1992.605130] ACPI Error: Method parse/execution failed \_GPE._E42, AE_ALREADY_EXISTS (20180810/psparse-516)
[ 1992.605142] ACPI Error: Method parse/execution failed \_GPE._E42, AE_ALREADY_EXISTS (20180810/psparse-516)
[ 1992.605154] ACPI Error: AE_ALREADY_EXISTS, while evaluating GPE method [_E42] (20180810/evgpe-509)
[ 1997.687888] pci 0000:01:00.0: [8086:1576] type 01 class 0x060400
[ 1997.687990] pci 0000:01:00.0: enabling Extended Tags
[ 1997.688121] pci 0000:01:00.0: supports D1 D2
[ 1997.688124] pci 0000:01:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 1997.688203] pci 0000:01:00.0: 4.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s x2 link at 0000:00:1c.0 (capable of 31.504 Gb/s with 8 GT/s x4 link)
[ 1997.688599] pci 0000:02:00.0: [8086:1576] type 01 class 0x060400
[ 1997.688697] pci 0000:02:00.0: enabling Extended Tags
[ 1997.688829] pci 0000:02:00.0: supports D1 D2
[ 1997.688831] pci 0000:02:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 1997.688994] pci 0000:02:01.0: [8086:1576] type 01 class 0x060400
[ 1997.689092] pci 0000:02:01.0: enabling Extended Tags
[ 1997.689222] pci 0000:02:01.0: supports D1 D2
[ 1997.689224] pci 0000:02:01.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 1997.689379] pci 0000:02:02.0: [8086:1576] type 01 class 0x060400
[ 1997.689476] pci 0000:02:02.0: enabling Extended Tags
[ 1997.689607] pci 0000:02:02.0: supports D1 D2
[ 1997.689609] pci 0000:02:02.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 1997.689793] pci 0000:01:00.0: PCI bridge to [bus 02-39]
[ 1997.689808] pci 0000:01:00.0:   bridge window [mem 0xc4000000-0xda0fffff]
[ 1997.689818] pci 0000:01:00.0:   bridge window [mem 0xa0000000-0xc1ffffff 64bit pref]
[ 1997.689897] pci 0000:02:00.0: PCI bridge to [bus 03]
[ 1997.689911] pci 0000:02:00.0:   bridge window [mem 0xda000000-0xda0fffff]
[ 1997.689996] pci 0000:02:01.0: PCI bridge to [bus 04-38]
[ 1997.690010] pci 0000:02:01.0:   bridge window [mem 0xc4000000-0xd9efffff]
[ 1997.690020] pci 0000:02:01.0:   bridge window [mem 0xa0000000-0xc1ffffff 64bit pref]
[ 1997.690120] pci 0000:39:00.0: [8086:15b5] type 00 class 0x0c0330
[ 1997.690177] pci 0000:39:00.0: reg 0x10: [mem 0xd9f00000-0xd9f0ffff]
[ 1997.690296] pci 0000:39:00.0: enabling Extended Tags
[ 1997.690445] pci 0000:39:00.0: supports D1 D2
[ 1997.690447] pci 0000:39:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 1997.690526] pci 0000:39:00.0: 4.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s x2 link at 0000:00:1c.0 (capable of 31.504 Gb/s with 8 GT/s x4 link)
[ 1997.690706] pci 0000:02:02.0: PCI bridge to [bus 39]
[ 1997.690721] pci 0000:02:02.0:   bridge window [mem 0xd9f00000-0xd9ffffff]
[ 1997.690770] pci_bus 0000:02: Allocating resources
[ 1997.690820] pci 0000:02:01.0: bridge window [io  0x1000-0x0fff] to [bus 04-38] add_size 1000
[ 1997.690848] pci 0000:01:00.0: bridge window [io  0x1000-0x0fff] to [bus 02-39] add_size 1000
[ 1997.690853] pci 0000:01:00.0: BAR 13: assigned [io  0x2000-0x2fff]
[ 1997.690857] pci 0000:02:01.0: BAR 13: assigned [io  0x2000-0x2fff]
[ 1997.690859] pci 0000:02:00.0: PCI bridge to [bus 03]
[ 1997.690868] pci 0000:02:00.0:   bridge window [mem 0xda000000-0xda0fffff]
[ 1997.690883] pci 0000:02:01.0: PCI bridge to [bus 04-38]
[ 1997.690886] pci 0000:02:01.0:   bridge window [io  0x2000-0x2fff]
[ 1997.690894] pci 0000:02:01.0:   bridge window [mem 0xc4000000-0xd9efffff]
[ 1997.690901] pci 0000:02:01.0:   bridge window [mem 0xa0000000-0xc1ffffff 64bit pref]
[ 1997.690911] pci 0000:02:02.0: PCI bridge to [bus 39]
[ 1997.690919] pci 0000:02:02.0:   bridge window [mem 0xd9f00000-0xd9ffffff]
[ 1997.690933] pci 0000:01:00.0: PCI bridge to [bus 02-39]
[ 1997.690937] pci 0000:01:00.0:   bridge window [io  0x2000-0x2fff]
[ 1997.690945] pci 0000:01:00.0:   bridge window [mem 0xc4000000-0xda0fffff]
[ 1997.690951] pci 0000:01:00.0:   bridge window [mem 0xa0000000-0xc1ffffff 64bit pref]
[ 1997.691102] pcieport 0000:01:00.0: enabling device (0006 -> 0007)
[ 1997.695938] pcieport 0000:02:01.0: enabling device (0006 -> 0007)
[ 1997.696668] xhci_hcd 0000:39:00.0: xHCI Host Controller
[ 1997.696674] xhci_hcd 0000:39:00.0: new USB bus registered, assigned bus number 3
[ 1997.697947] xhci_hcd 0000:39:00.0: hcc params 0x200077c1 hci version 0x110 quirks 0x0000000000009810
[ 1997.698215] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.19
[ 1997.698217] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1997.698219] usb usb3: Product: xHCI Host Controller
[ 1997.698220] usb usb3: Manufacturer: Linux 4.19.0-84df9525b0c2.1 xhci-hcd
[ 1997.698221] usb usb3: SerialNumber: 0000:39:00.0
[ 1997.698367] hub 3-0:1.0: USB hub found
[ 1997.698398] hub 3-0:1.0: 2 ports detected
[ 1997.698650] xhci_hcd 0000:39:00.0: xHCI Host Controller
[ 1997.698655] xhci_hcd 0000:39:00.0: new USB bus registered, assigned bus number 4
[ 1997.698659] xhci_hcd 0000:39:00.0: Host supports USB 3.1 Enhanced SuperSpeed
[ 1997.698716] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 4.19
[ 1997.698718] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1997.698724] usb usb4: Product: xHCI Host Controller
[ 1997.698726] usb usb4: Manufacturer: Linux 4.19.0-84df9525b0c2.1 xhci-hcd
[ 1997.698728] usb usb4: SerialNumber: 0000:39:00.0
[ 1997.698983] hub 4-0:1.0: USB hub found
[ 1997.699003] hub 4-0:1.0: 2 ports detected
[ 1998.031591] usb 3-1: new high-speed USB device number 2 using xhci_hcd
[ 1998.181922] usb 3-1: New USB device found, idVendor=0835, idProduct=2800, bcdDevice=61.10
[ 1998.181926] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1998.181928] usb 3-1: Product: USB2.0 Hub
[ 1998.181930] usb 3-1: Manufacturer: GenesysLogic
[ 1998.187482] hub 3-1:1.0: USB hub found
[ 1998.187750] hub 3-1:1.0: 4 ports detected
[ 1998.307690] usb 4-1: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd
[ 1998.330213] usb 4-1: New USB device found, idVendor=0835, idProduct=2800, bcdDevice=61.10
[ 1998.330216] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1998.330219] usb 4-1: Product: USB3.0 Hub
[ 1998.330221] usb 4-1: Manufacturer: GenesysLogic
[ 1998.333393] hub 4-1:1.0: USB hub found
[ 1998.333673] hub 4-1:1.0: 2 ports detected
[ 1998.499656] usb 3-1.1: new high-speed USB device number 3 using xhci_hcd
[ 1998.745576] usb 3-1.1: New USB device found, idVendor=0835, idProduct=2800, bcdDevice=41.44
[ 1998.745579] usb 3-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1998.745582] usb 3-1.1: Product: USB2.0 Hub
[ 1998.745584] usb 3-1.1: Manufacturer: GenesysLogic
[ 1998.747073] hub 3-1.1:1.0: USB hub found
[ 1998.747840] hub 3-1.1:1.0: 4 ports detected
[ 1998.823643] usb 4-1.1: new SuperSpeed Gen 1 USB device number 3 using xhci_hcd
[ 1998.846181] usb 4-1.1: New USB device found, idVendor=0835, idProduct=2800, bcdDevice=41.44
[ 1998.846187] usb 4-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1998.846190] usb 4-1.1: Product: USB3.0 Hub
[ 1998.846192] usb 4-1.1: Manufacturer: GenesysLogic
[ 1998.870140] hub 4-1.1:1.0: USB hub found
[ 1998.870412] hub 4-1.1:1.0: 4 ports detected
[ 1998.947544] usb 3-1.3: new high-speed USB device number 4 using xhci_hcd
[ 1999.071607] usb 3-1.3: New USB device found, idVendor=0409, idProduct=005a, bcdDevice= 1.00
[ 1999.071611] usb 3-1.3: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1999.074181] hub 3-1.3:1.0: USB hub found
[ 1999.074378] hub 3-1.3:1.0: 4 ports detected
[ 1999.151521] usb 3-1.1.3: new full-speed USB device number 5 using xhci_hcd
[ 1999.268205] usb 3-1.1.3: New USB device found, idVendor=0d8c, idProduct=0021, bcdDevice= 1.09
[ 1999.268211] usb 3-1.1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1999.268213] usb 3-1.1.3: Product: USB Advanced Audio Device
[ 1999.268215] usb 3-1.1.3: Manufacturer: C-Media Electronics Inc.
[ 1999.317994] input: C-Media Electronics Inc. USB Advanced Audio Device as /devices/pci0000:00/0000:00:1c.0/0000:01:00.0/0000:02:02.0/0000:39:00.0/usb3/3-1/3-1.1/3-1.1.3/3-1.1.3:1.3/0003:0D8C:0021.000D/input/input39
[ 1999.359467] usb 3-1.4: new high-speed USB device number 6 using xhci_hcd
[ 1999.375852] hid-generic 0003:0D8C:0021.000D: input,hidraw5: USB HID v1.11 Device [C-Media Electronics Inc. USB Advanced Audio Device] on usb-0000:39:00.0-1.1.3/input3
[ 1999.483729] usb 3-1.4: New USB device found, idVendor=0451, idProduct=8142, bcdDevice= 1.00
[ 1999.483732] usb 3-1.4: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[ 1999.483735] usb 3-1.4: SerialNumber: 9A030871CACD
[ 1999.485779] hub 3-1.4:1.0: USB hub found
[ 1999.485847] hub 3-1.4:1.0: 4 ports detected
[ 1999.563443] usb 3-1.3.2: new full-speed USB device number 7 using xhci_hcd
[ 1999.668517] usb 3-1.3.2: New USB device found, idVendor=045e, idProduct=07a5, bcdDevice= 7.74
[ 1999.668520] usb 3-1.3.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1999.668523] usb 3-1.3.2: Product: Microsoft® Nano Transceiver v2.1
[ 1999.668525] usb 3-1.3.2: Manufacturer: Microsoft
[ 1999.683298] input: Microsoft Microsoft® Nano Transceiver v2.1 as /devices/pci0000:00/0000:00:1c.0/0000:01:00.0/0000:02:02.0/0000:39:00.0/usb3/3-1/3-1.3/3-1.3.2/3-1.3.2:1.0/0003:045E:07A5.000E/input/input40
[ 1999.740385] hid-generic 0003:045E:07A5.000E: input,hidraw6: USB HID v1.11 Keyboard [Microsoft Microsoft® Nano Transceiver v2.1] on usb-0000:39:00.0-1.3.2/input0
[ 1999.745175] input: Microsoft Microsoft® Nano Transceiver v2.1 Mouse as /devices/pci0000:00/0000:00:1c.0/0000:01:00.0/0000:02:02.0/0000:39:00.0/usb3/3-1/3-1.3/3-1.3.2/3-1.3.2:1.1/0003:045E:07A5.000F/input/input41
[ 1999.803717] input: Microsoft Microsoft® Nano Transceiver v2.1 Consumer Control as /devices/pci0000:00/0000:00:1c.0/0000:01:00.0/0000:02:02.0/0000:39:00.0/usb3/3-1/3-1.3/3-1.3.2/3-1.3.2:1.1/0003:045E:07A5.000F/input/input42
[ 1999.804690] hid-generic 0003:045E:07A5.000F: input,hidraw7: USB HID v1.11 Mouse [Microsoft Microsoft® Nano Transceiver v2.1] on usb-0000:39:00.0-1.3.2/input1
[ 1999.810659] input: Microsoft Microsoft® Nano Transceiver v2.1 Consumer Control as /devices/pci0000:00/0000:00:1c.0/0000:01:00.0/0000:02:02.0/0000:39:00.0/usb3/3-1/3-1.3/3-1.3.2/3-1.3.2:1.2/0003:045E:07A5.0010/input/input43
[ 1999.867594] input: Microsoft Microsoft® Nano Transceiver v2.1 System Control as /devices/pci0000:00/0000:00:1c.0/0000:01:00.0/0000:02:02.0/0000:39:00.0/usb3/3-1/3-1.3/3-1.3.2/3-1.3.2:1.2/0003:045E:07A5.0010/input/input44
[ 1999.868370] hid-generic 0003:045E:07A5.0010: input,hidraw8: USB HID v1.11 Device [Microsoft Microsoft® Nano Transceiver v2.1] on usb-0000:39:00.0-1.3.2/input2
[ 2000.427351] usb 3-1.4.2: new full-speed USB device number 9 using xhci_hcd
[ 2000.530248] usb 3-1.4.2: New USB device found, idVendor=1a7c, idProduct=0068, bcdDevice= 1.00
[ 2000.530251] usb 3-1.4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 2000.530253] usb 3-1.4.2: Product: Evoluent VerticalMouse 3
[ 2000.530255] usb 3-1.4.2: Manufacturer: Kingsis Peripherals
[ 2000.535705] input: Kingsis Peripherals Evoluent VerticalMouse 3 as /devices/pci0000:00/0000:00:1c.0/0000:01:00.0/0000:02:02.0/0000:39:00.0/usb3/3-1/3-1.4/3-1.4.2/3-1.4.2:1.0/0003:1A7C:0068.0011/input/input45
[ 2000.595552] hid-generic 0003:1A7C:0068.0011: input,hidraw9: USB HID v1.11 Mouse [Kingsis Peripherals Evoluent VerticalMouse 3] on usb-0000:39:00.0-1.4.2/input0
[ 2000.607395] usb 4-1.1.4: new SuperSpeed Gen 1 USB device number 4 using xhci_hcd
[ 2000.627959] usb 4-1.1.4: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=30.00
[ 2000.627962] usb 4-1.1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=6
[ 2000.627963] usb 4-1.1.4: Product: USB 10/100/1000 LAN
[ 2000.627965] usb 4-1.1.4: Manufacturer: Realtek
[ 2000.627966] usb 4-1.1.4: SerialNumber: 000045
[ 2000.707377] usb 3-1.4.4: new high-speed USB device number 10 using xhci_hcd
[ 2000.807587] usb 3-1.4.4: New USB device found, idVendor=0451, idProduct=8142, bcdDevice= 1.00
[ 2000.807590] usb 3-1.4.4: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[ 2000.807591] usb 3-1.4.4: SerialNumber: 7A030871CACD
[ 2000.809856] hub 3-1.4.4:1.0: USB hub found
[ 2000.809916] hub 3-1.4.4:1.0: 2 ports detected
[ 2000.887653] usb 4-1.1.4: reset SuperSpeed Gen 1 USB device number 4 using xhci_hcd
[ 2000.947433] r8152 4-1.1.4:1.0 eth0: v1.09.9
[ 2000.966598] r8152 4-1.1.4:1.0 enx00249b194c4f: renamed from eth0
[ 2001.011827] IPv6: ADDRCONF(NETDEV_UP): enx00249b194c4f: link is not ready
[ 2001.020633] IPv6: ADDRCONF(NETDEV_UP): enx00249b194c4f: link is not ready
00:00.0 Host bridge: Intel Corporation Skylake Host Bridge/DRAM Registers (rev 09)
	Subsystem: Dell Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers
	Flags: bus master, fast devsel, latency 0
	Capabilities: [e0] Vendor Specific Information: Len=10 <?>
	Kernel driver in use: skl_uncore

00:02.0 VGA compatible controller: Intel Corporation Iris Graphics 540 (rev 0a) (prog-if 00 [VGA controller])
	Subsystem: Dell Iris Graphics 540
	Flags: bus master, fast devsel, latency 0, IRQ 127
	Memory at db000000 (64-bit, non-prefetchable) [size=16M]
	Memory at 90000000 (64-bit, prefetchable) [size=256M]
	I/O ports at f000 [size=64]
	[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
	Capabilities: [40] Vendor Specific Information: Len=0c <?>
	Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
	Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit-
	Capabilities: [d0] Power Management version 2
	Capabilities: [100] Process Address Space ID (PASID)
	Capabilities: [200] Address Translation Service (ATS)
	Capabilities: [300] Page Request Interface (PRI)
	Kernel driver in use: i915
	Kernel modules: i915

00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 09)
	Subsystem: Dell Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem
	Flags: fast devsel, IRQ 16
	Memory at dc720000 (64-bit, non-prefetchable) [size=32K]
	Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit-
	Capabilities: [d0] Power Management version 3
	Capabilities: [e0] Vendor Specific Information: Len=0c <?>
	Kernel driver in use: proc_thermal
	Kernel modules: processor_thermal_device

00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21) (prog-if 30 [XHCI])
	Subsystem: Dell Sunrise Point-LP USB 3.0 xHCI Controller
	Flags: bus master, medium devsel, latency 0, IRQ 126
	Memory at dc710000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: [70] Power Management version 2
	Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+
	Kernel driver in use: xhci_hcd

00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
	Subsystem: Dell Sunrise Point-LP Thermal subsystem
	Flags: fast devsel, IRQ 18
	Memory at dc738000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: [50] Power Management version 3
	Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
	Kernel driver in use: intel_pch_thermal
	Kernel modules: intel_pch_thermal

00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21)
	Subsystem: Dell Sunrise Point-LP Serial IO I2C Controller
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Memory at dc737000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: [80] Power Management version 3
	Capabilities: [90] Vendor Specific Information: Len=14 <?>
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci

00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 (rev 21)
	Subsystem: Dell Sunrise Point-LP Serial IO I2C Controller
	Flags: bus master, fast devsel, latency 0, IRQ 17
	Memory at dc736000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: [80] Power Management version 3
	Capabilities: [90] Vendor Specific Information: Len=14 <?>
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci

00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
	Subsystem: Dell Sunrise Point-LP CSME HECI
	Flags: bus master, fast devsel, latency 0, IRQ 122
	Memory at dc735000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: [50] Power Management version 3
	Capabilities: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+
	Kernel driver in use: mei_me
	Kernel modules: mei_me

00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21) (prog-if 01 [AHCI 1.0])
	Subsystem: Dell Sunrise Point-LP SATA Controller [AHCI mode]
	Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 124
	Memory at dc730000 (32-bit, non-prefetchable) [size=8K]
	Memory at dc734000 (32-bit, non-prefetchable) [size=256]
	I/O ports at f090 [size=8]
	I/O ports at f080 [size=4]
	I/O ports at f060 [size=32]
	Memory at dc733000 (32-bit, non-prefetchable) [size=2K]
	Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
	Capabilities: [70] Power Management version 3
	Capabilities: [a8] SATA HBA v1.0
	Kernel driver in use: ahci
	Kernel modules: ahci

00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1) (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Bus: primary=00, secondary=01, subordinate=39, sec-latency=0
	I/O behind bridge: 00002000-00002fff
	Memory behind bridge: c4000000-da0fffff
	Prefetchable memory behind bridge: 00000000a0000000-00000000c1ffffff
	Capabilities: [40] Express Root Port (Slot+), MSI 00
	Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
	Capabilities: [90] Subsystem: Dell Sunrise Point-LP PCI Express Root Port
	Capabilities: [a0] Power Management version 3
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Access Control Services
	Capabilities: [200] L1 PM Substates
	Capabilities: [220] #19
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1) (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Bus: primary=00, secondary=3a, subordinate=3a, sec-latency=0
	Memory behind bridge: dc000000-dc4fffff
	Capabilities: [40] Express Root Port (Slot+), MSI 00
	Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
	Capabilities: [90] Subsystem: Dell Sunrise Point-LP PCI Express Root Port
	Capabilities: [a0] Power Management version 3
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Access Control Services
	Capabilities: [200] L1 PM Substates
	Capabilities: [220] #19
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1) (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 17
	Bus: primary=00, secondary=3b, subordinate=3b, sec-latency=0
	Memory behind bridge: dc600000-dc6fffff
	Capabilities: [40] Express Root Port (Slot+), MSI 00
	Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
	Capabilities: [90] Subsystem: Dell Sunrise Point-LP PCI Express Root Port
	Capabilities: [a0] Power Management version 3
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Access Control Services
	Capabilities: [220] #19
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1d.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #9 (rev f1) (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Bus: primary=00, secondary=3c, subordinate=3c, sec-latency=0
	I/O behind bridge: 0000e000-0000efff
	Memory behind bridge: dc500000-dc5fffff
	Capabilities: [40] Express Root Port (Slot+), MSI 00
	Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
	Capabilities: [90] Subsystem: Dell Sunrise Point-LP PCI Express Root Port
	Capabilities: [a0] Power Management version 3
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Access Control Services
	Capabilities: [200] L1 PM Substates
	Capabilities: [220] #19
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
	Subsystem: Dell Sunrise Point-LP LPC Controller
	Flags: bus master, medium devsel, latency 0

00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
	Subsystem: Dell Sunrise Point-LP PMC
	Flags: fast devsel
	Memory at dc72c000 (32-bit, non-prefetchable) [disabled] [size=16K]

00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21) (prog-if 80)
	Subsystem: Dell Sunrise Point-LP HD Audio
	Flags: bus master, fast devsel, latency 32, IRQ 128
	Memory at dc728000 (64-bit, non-prefetchable) [size=16K]
	Memory at dc700000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: [50] Power Management version 3
	Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel, snd_soc_skl

00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
	Subsystem: Dell Sunrise Point-LP SMBus
	Flags: medium devsel, IRQ 255
	Memory at dc732000 (64-bit, non-prefetchable) [size=256]
	I/O ports at f040 [size=32]
	Kernel modules: i2c_i801

01:00.0 PCI bridge: Intel Corporation DSL6340 Thunderbolt 3 Bridge [Alpine Ridge 2C 2015] (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Bus: primary=01, secondary=02, subordinate=39, sec-latency=0
	I/O behind bridge: 00002000-00002fff
	Memory behind bridge: c4000000-da0fffff
	Prefetchable memory behind bridge: 00000000a0000000-00000000c1ffffff
	Capabilities: [80] Power Management version 3
	Capabilities: [88] MSI: Enable- Count=1/1 Maskable- 64bit+
	Capabilities: [ac] Subsystem: Device 2222:1111
	Capabilities: [c0] Express Upstream Port, MSI 00
	Capabilities: [100] Device Serial Number a3-43-64-e8-92-23-04-00
	Capabilities: [200] Advanced Error Reporting
	Capabilities: [300] Virtual Channel
	Capabilities: [400] Power Budgeting <?>
	Capabilities: [500] Vendor Specific Information: ID=1234 Rev=1 Len=0d8 <?>
	Capabilities: [600] Latency Tolerance Reporting
	Capabilities: [700] #19
	Kernel driver in use: pcieport
	Kernel modules: shpchp

02:00.0 PCI bridge: Intel Corporation DSL6340 Thunderbolt 3 Bridge [Alpine Ridge 2C 2015] (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Bus: primary=02, secondary=03, subordinate=03, sec-latency=0
	Memory behind bridge: da000000-da0fffff
	Capabilities: [80] Power Management version 3
	Capabilities: [88] MSI: Enable- Count=1/1 Maskable- 64bit+
	Capabilities: [ac] Subsystem: Device 2222:1111
	Capabilities: [c0] Express Downstream Port (Slot-), MSI 00
	Capabilities: [100] Device Serial Number a3-43-64-e8-92-23-04-00
	Capabilities: [200] Advanced Error Reporting
	Capabilities: [300] Virtual Channel
	Capabilities: [400] Power Budgeting <?>
	Capabilities: [500] Vendor Specific Information: ID=1234 Rev=1 Len=0d8 <?>
	Capabilities: [700] #19
	Kernel driver in use: pcieport
	Kernel modules: shpchp

02:01.0 PCI bridge: Intel Corporation DSL6340 Thunderbolt 3 Bridge [Alpine Ridge 2C 2015] (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 17
	Bus: primary=02, secondary=04, subordinate=38, sec-latency=0
	I/O behind bridge: 00002000-00002fff
	Memory behind bridge: c4000000-d9efffff
	Prefetchable memory behind bridge: 00000000a0000000-00000000c1ffffff
	Capabilities: [80] Power Management version 3
	Capabilities: [88] MSI: Enable- Count=1/1 Maskable- 64bit+
	Capabilities: [ac] Subsystem: Device 2222:1111
	Capabilities: [c0] Express Downstream Port (Slot+), MSI 00
	Capabilities: [100] Device Serial Number a3-43-64-e8-92-23-04-00
	Capabilities: [200] Advanced Error Reporting
	Capabilities: [300] Virtual Channel
	Capabilities: [400] Power Budgeting <?>
	Capabilities: [500] Vendor Specific Information: ID=1234 Rev=1 Len=0d8 <?>
	Capabilities: [700] #19
	Kernel driver in use: pcieport
	Kernel modules: shpchp

02:02.0 PCI bridge: Intel Corporation DSL6340 Thunderbolt 3 Bridge [Alpine Ridge 2C 2015] (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 18
	Bus: primary=02, secondary=39, subordinate=39, sec-latency=0
	Memory behind bridge: d9f00000-d9ffffff
	Capabilities: [80] Power Management version 3
	Capabilities: [88] MSI: Enable- Count=1/1 Maskable- 64bit+
	Capabilities: [ac] Subsystem: Device 2222:1111
	Capabilities: [c0] Express Downstream Port (Slot-), MSI 00
	Capabilities: [100] Device Serial Number a3-43-64-e8-92-23-04-00
	Capabilities: [200] Advanced Error Reporting
	Capabilities: [300] Virtual Channel
	Capabilities: [400] Power Budgeting <?>
	Capabilities: [500] Vendor Specific Information: ID=1234 Rev=1 Len=0d8 <?>
	Capabilities: [700] #19
	Kernel driver in use: pcieport
	Kernel modules: shpchp

39:00.0 USB controller: Intel Corporation DSL6340 USB 3.1 Controller [Alpine Ridge] (prog-if 30 [XHCI])
	Subsystem: Device 2222:1111
	Flags: bus master, fast devsel, latency 0, IRQ 133
	Memory at d9f00000 (32-bit, non-prefetchable) [size=64K]
	Capabilities: [80] Power Management version 3
	Capabilities: [88] MSI: Enable+ Count=1/8 Maskable- 64bit+
	Capabilities: [c0] Express Endpoint, MSI 00
	Capabilities: [100] Device Serial Number a3-43-64-e8-92-23-04-00
	Capabilities: [200] Advanced Error Reporting
	Capabilities: [300] Virtual Channel
	Capabilities: [400] Power Budgeting <?>
	Capabilities: [500] Vendor Specific Information: ID=1234 Rev=1 Len=0d8 <?>
	Capabilities: [600] Latency Tolerance Reporting
	Capabilities: [700] #19
	Kernel driver in use: xhci_hcd

3a:00.0 Network controller: Broadcom Limited BCM4350 802.11ac Wireless Network Adapter (rev 08)
	Subsystem: Dell BCM4350 802.11ac Wireless Network Adapter
	Flags: bus master, fast devsel, latency 0, IRQ 132
	Memory at dc400000 (64-bit, non-prefetchable) [size=32K]
	Memory at dc000000 (64-bit, non-prefetchable) [size=4M]
	Capabilities: [48] Power Management version 3
	Capabilities: [58] MSI: Enable+ Count=1/16 Maskable- 64bit+
	Capabilities: [68] Vendor Specific Information: Len=44 <?>
	Capabilities: [ac] Express Endpoint, MSI 00
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [13c] Device Serial Number 00-00-cb-ff-ff-e8-30-52
	Capabilities: [150] Power Budgeting <?>
	Capabilities: [160] Virtual Channel
	Capabilities: [1b0] Latency Tolerance Reporting
	Capabilities: [220] #15
	Capabilities: [240] L1 PM Substates
	Kernel driver in use: brcmfmac
	Kernel modules: brcmfmac

3b:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01)
	Subsystem: Dell RTS525A PCI Express Card Reader
	Flags: bus master, fast devsel, latency 0, IRQ 125
	Memory at dc600000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: [80] Power Management version 3
	Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit+
	Capabilities: [b0] Express Endpoint, MSI 00
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [148] Device Serial Number 00-00-00-01-00-4c-e0-00
	Capabilities: [158] Latency Tolerance Reporting
	Capabilities: [160] L1 PM Substates
	Kernel driver in use: rtsx_pci
	Kernel modules: rtsx_pci

3c:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM951/PM951 (rev 01) (prog-if 02 [NVM Express])
	Subsystem: Samsung Electronics Co Ltd NVMe SSD Controller SM951/PM951
	Flags: bus master, fast devsel, latency 0, IRQ 16, NUMA node 0
	Memory at dc500000 (64-bit, non-prefetchable) [size=16K]
	I/O ports at e000 [size=256]
	Capabilities: [40] Power Management version 3
	Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
	Capabilities: [70] Express Endpoint, MSI 00
	Capabilities: [b0] MSI-X: Enable+ Count=9 Masked-
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [148] Device Serial Number 00-00-00-00-00-00-00-00
	Capabilities: [158] Power Budgeting <?>
	Capabilities: [168] #19
	Capabilities: [188] Latency Tolerance Reporting
	Capabilities: [190] L1 PM Substates
	Kernel driver in use: nvme
	Kernel modules: nvme

Bus 004 Device 004: ID 0bda:8153 Realtek Semiconductor Corp. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               3.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         9
  idVendor           0x0bda Realtek Semiconductor Corp.
  idProduct          0x8153 
  bcdDevice           30.00
  iManufacturer           1 Realtek
  iProduct                2 USB 10/100/1000 LAN
  iSerial                 6 000045
  bNumConfigurations      2
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           57
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower               72mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst               3
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst               3
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0002  1x 2 bytes
        bInterval               8
        bMaxBurst               0
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           98
    bNumInterfaces          2
    bConfigurationValue     2
    iConfiguration          0 
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower               72mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         2 Communications
      bInterfaceSubClass      6 Ethernet Networking
      bInterfaceProtocol      0 
      iInterface              5 CDC Communications Control
      CDC Header:
        bcdCDC               1.10
      CDC Union:
        bMasterInterface        0
        bSlaveInterface         1 
      CDC Ethernet:
        iMacAddress                      3 00249B194C4F
        bmEthernetStatistics    0x00000000
        wMaxSegmentSize               1514
        wNumberMCFilters            0x0000
        bNumberPowerFilters              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0010  1x 16 bytes
        bInterval               8
        bMaxBurst               0
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass        10 CDC Data
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 
      iInterface              0 
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       1
      bNumEndpoints           2
      bInterfaceClass        10 CDC Data
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 
      iInterface              4 Ethernet Data
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst               3
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst               3
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           22
  bNumDeviceCaps          2
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000002
      Link Power Management (LPM) Supported
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x02
      Latency Tolerance Messages (LTM) Supported
    wSpeedsSupported   0x000e
      Device can operate at Full Speed (12Mbps)
      Device can operate at High Speed (480Mbps)
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   2
      Lowest fully-functional device speed is High Speed (480Mbps)
    bU1DevExitLat          10 micro seconds
    bU2DevExitLat        2047 micro seconds
Device Status:     0x0018
  (Bus Powered)
  U2 Enabled
  Latency Tolerance Messaging (LTM) Enabled

Bus 004 Device 003: ID 0835:2800 Action Star Enterprise Co., Ltd 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               3.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         3 
  bMaxPacketSize0         9
  idVendor           0x0835 Action Star Enterprise Co., Ltd
  idProduct          0x2800 
  bcdDevice           41.44
  iManufacturer           1 GenesysLogic
  iProduct                2 USB3.0 Hub
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           31
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              1 GenesysLogic
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes           19
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Feedback
        wMaxPacketSize     0x0002  1x 2 bytes
        bInterval               8
        bMaxBurst               0
Hub Descriptor:
  bLength              12
  bDescriptorType      42
  nNbrPorts             4
  wHubCharacteristic 0x000d
    Per-port power switching
    Compound device
    Per-port overcurrent protection
  bPwrOn2PwrGood       50 * 2 milli seconds
  bHubContrCurrent    576 milli Ampere
  bHubDecLat          0.0 micro seconds
  wHubDelay          1248 nano seconds
  DeviceRemovable    0x10
 Hub Port Status:
   Port 1: 0000.02a0 5Gbps power Rx.Detect
   Port 2: 0000.02a0 5Gbps power Rx.Detect
   Port 3: 0000.02a0 5Gbps power Rx.Detect
   Port 4: 0000.0203 5Gbps power U0 enable connect
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           42
  bNumDeviceCaps          3
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000006
      Link Power Management (LPM) Supported
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x00
    wSpeedsSupported   0x000e
      Device can operate at Full Speed (12Mbps)
      Device can operate at High Speed (480Mbps)
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   1
      Lowest fully-functional device speed is Full Speed (12Mbps)
    bU1DevExitLat           8 micro seconds
    bU2DevExitLat         190 micro seconds
  Container ID Device Capability:
    bLength                20
    bDescriptorType        16
    bDevCapabilityType      4
    bReserved               0
    ContainerID             {d0825121-57c6-4dca-9b18-b91182d1dd59}
Device Status:     0x000d
  Self Powered
  U1 Enabled
  U2 Enabled

Bus 004 Device 002: ID 0835:2800 Action Star Enterprise Co., Ltd 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               3.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         3 
  bMaxPacketSize0         9
  idVendor           0x0835 Action Star Enterprise Co., Ltd
  idProduct          0x2800 
  bcdDevice           61.10
  iManufacturer           1 GenesysLogic
  iProduct                2 USB3.0 Hub
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           31
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              1 GenesysLogic
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes           19
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Feedback
        wMaxPacketSize     0x0002  1x 2 bytes
        bInterval               8
        bMaxBurst               0
Hub Descriptor:
  bLength              12
  bDescriptorType      42
  nNbrPorts             2
  wHubCharacteristic 0x000d
    Per-port power switching
    Compound device
    Per-port overcurrent protection
  bPwrOn2PwrGood       50 * 2 milli seconds
  bHubContrCurrent    576 milli Ampere
  bHubDecLat          0.4 micro seconds
  wHubDelay          1508 nano seconds
  DeviceRemovable    0x02
 Hub Port Status:
   Port 1: 0000.0203 5Gbps power U0 enable connect
   Port 2: 0000.02a0 5Gbps power Rx.Detect
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           42
  bNumDeviceCaps          3
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000006
      Link Power Management (LPM) Supported
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x00
    wSpeedsSupported   0x000e
      Device can operate at Full Speed (12Mbps)
      Device can operate at High Speed (480Mbps)
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   1
      Lowest fully-functional device speed is Full Speed (12Mbps)
    bU1DevExitLat           8 micro seconds
    bU2DevExitLat         190 micro seconds
  Container ID Device Capability:
    bLength                20
    bDescriptorType        16
    bDevCapabilityType      4
    bReserved               0
    ContainerID             {5f1c5b3b-f503-4e25-b2fd-e641419ae1d6}
Device Status:     0x000d
  Self Powered
  U1 Enabled
  U2 Enabled

Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               3.10
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         3 
  bMaxPacketSize0         9
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0003 3.0 root hub
  bcdDevice            4.15
  iManufacturer           3 Linux 4.15.0-36-generic xhci-hcd
  iProduct                2 xHCI Host Controller
  iSerial                 1 0000:39:00.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           31
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12
        bMaxBurst               0
Hub Descriptor:
  bLength              13
  bDescriptorType       0
  nNbrPorts            42
  wHubCharacteristic 0x0300
    Ganged power switching
    Ganged overcurrent protection
  bPwrOn2PwrGood        7 * 2 milli seconds
  bHubContrCurrent     64 milli Ampere
  bHubDecLat          0.2 micro seconds
  wHubDelay            98 nano seconds
  DeviceRemovable    0x00 0x00 0x0a
 Hub Port Status:
   Port 1: 0000.0203 lowspeed enable connect
   Port 2: 0000.02a0 lowspeed
   Port 3: 0000.02a0 lowspeed
   Port 4: 0000.02a0 lowspeed
   Port 5: 0000.02a0 lowspeed
   Port 6: 0000.02a0 lowspeed
   Port 7: 0000.02a0 lowspeed
   Port 8: 0000.02a0 lowspeed
   Port 9: 0000.02a0 lowspeed
   Port 10: 0000.02a0 lowspeed
   Port 11: 0000.02a0 lowspeed
   Port 12: 0000.02a0 lowspeed
   Port 13: 0000.02a0 lowspeed
   Port 14: 0000.02a0 lowspeed
   Port 15: 0000.02a0 lowspeed
   Port 16: 0000.02a0 lowspeed
   Port 17: 0000.02a0 lowspeed
   Port 18: 0000.02a0 lowspeed
   Port 19: 0000.02a0 lowspeed
   Port 20: 0000.02a0 lowspeed
   Port 21: 0000.02a0 lowspeed
   Port 22: 0000.02a0 lowspeed
   Port 23: 0000.02a0 lowspeed
   Port 24: 0000.02a0 lowspeed
   Port 25: 0000.02a0 lowspeed
   Port 26: 0000.02a0 lowspeed
   Port 27: 0000.02a0 lowspeed
   Port 28: 0000.02a0 lowspeed
   Port 29: 0000.02a0 lowspeed
   Port 30: 0000.02a0 lowspeed
   Port 31: 0000.02a0 lowspeed
   Port 32: 0000.02a0 lowspeed
   Port 33: 0000.02a0 lowspeed
   Port 34: 0000.02a0 lowspeed
   Port 35: 0000.02a0 lowspeed
   Port 36: 0000.02a0 lowspeed
   Port 37: 0000.02a0 lowspeed
   Port 38: 0000.02a0 lowspeed
   Port 39: 0000.02a0 lowspeed
   Port 40: 0000.02a0 lowspeed
   Port 41: 0000.02a0 lowspeed
   Port 42: 0000.02a0 lowspeed
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           43
  bNumDeviceCaps          2
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x02
      Latency Tolerance Messages (LTM) Supported
    wSpeedsSupported   0x0008
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   3
      Lowest fully-functional device speed is SuperSpeed (5Gbps)
    bU1DevExitLat          10 micro seconds
    bU2DevExitLat         512 micro seconds
  ** UNRECOGNIZED:  1c 10 0a 00 23 00 00 00 01 00 00 00 34 00 05 00 b4 00 05 00 35 40 0a 00 b5 40 0a 00
Device Status:     0x0001
  Self Powered

Bus 003 Device 010: ID 0451:8142 Texas Instruments, Inc. TUSB8041 4-Port Hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.10
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         2 TT per port
  bMaxPacketSize0        64
  idVendor           0x0451 Texas Instruments, Inc.
  idProduct          0x8142 TUSB8041 4-Port Hub
  bcdDevice            1.00
  iManufacturer           0 
  iProduct                0 
  iSerial                 1 7A030871CACD
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           41
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      1 Single TT
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      2 TT per port
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
Hub Descriptor:
  bLength               9
  bDescriptorType      41
  nNbrPorts             2
  wHubCharacteristic 0x0009
    Per-port power switching
    Per-port overcurrent protection
    TT think time 8 FS bits
  bPwrOn2PwrGood        0 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  DeviceRemovable    0x00
  PortPwrCtrlMask    0xff
 Hub Port Status:
   Port 1: 0000.0100 power
   Port 2: 0000.0100 power
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           42
  bNumDeviceCaps          3
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000006
      Link Power Management (LPM) Supported
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x00
    wSpeedsSupported   0x000e
      Device can operate at Full Speed (12Mbps)
      Device can operate at High Speed (480Mbps)
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   1
      Lowest fully-functional device speed is Full Speed (12Mbps)
    bU1DevExitLat          10 micro seconds
    bU2DevExitLat          10 micro seconds
  Container ID Device Capability:
    bLength                20
    bDescriptorType        16
    bDevCapabilityType      4
    bReserved               0
    ContainerID             {028085d8-059d-9ac5-1815-5c71b6c9d000}
Device Status:     0x0001
  Self Powered

Bus 003 Device 009: ID 1a7c:0068 Evoluent VerticalMouse 3
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x1a7c Evoluent
  idProduct          0x0068 VerticalMouse 3
  bcdDevice            1.00
  iManufacturer           1 Kingsis Peripherals
  iProduct                2 Evoluent VerticalMouse 3
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           34
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      1 Boot Interface Subclass
      bInterfaceProtocol      2 Mouse
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode           33 US
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      69
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               8
Device Status:     0x0000
  (Bus Powered)

Bus 003 Device 006: ID 0451:8142 Texas Instruments, Inc. TUSB8041 4-Port Hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.10
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         2 TT per port
  bMaxPacketSize0        64
  idVendor           0x0451 Texas Instruments, Inc.
  idProduct          0x8142 TUSB8041 4-Port Hub
  bcdDevice            1.00
  iManufacturer           0 
  iProduct                0 
  iSerial                 1 9A030871CACD
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           41
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      1 Single TT
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      2 TT per port
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
Hub Descriptor:
  bLength               9
  bDescriptorType      41
  nNbrPorts             4
  wHubCharacteristic 0x000d
    Per-port power switching
    Compound device
    Per-port overcurrent protection
    TT think time 8 FS bits
  bPwrOn2PwrGood        0 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  DeviceRemovable    0x10
  PortPwrCtrlMask    0xff
 Hub Port Status:
   Port 1: 0000.0100 power
   Port 2: 0000.0103 power enable connect
   Port 3: 0000.0100 power
   Port 4: 0000.0507 highspeed power suspend enable connect
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           42
  bNumDeviceCaps          3
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000006
      Link Power Management (LPM) Supported
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x00
    wSpeedsSupported   0x000e
      Device can operate at Full Speed (12Mbps)
      Device can operate at High Speed (480Mbps)
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   1
      Lowest fully-functional device speed is Full Speed (12Mbps)
    bU1DevExitLat          10 micro seconds
    bU2DevExitLat          10 micro seconds
  Container ID Device Capability:
    bLength                20
    bDescriptorType        16
    bDevCapabilityType      4
    bReserved               0
    ContainerID             {028085d8-055d-a7c5-1815-5c71b6c9d000}
Device Status:     0x0001
  Self Powered

Bus 003 Device 007: ID 045e:07a5 Microsoft Corp. Wireless Receiver 1461C
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x045e Microsoft Corp.
  idProduct          0x07a5 Wireless Receiver 1461C
  bcdDevice            7.74
  iManufacturer           1 Microsoft
  iProduct                2 Microsoft® Nano Transceiver v2.1
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           84
    bNumInterfaces          3
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      1 Boot Interface Subclass
      bInterfaceProtocol      1 Keyboard
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      75
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               4
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      1 Boot Interface Subclass
      bInterfaceProtocol      2 Mouse
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength     223
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x000a  1x 10 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      0 None
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength     296
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               1
Device Status:     0x0000
  (Bus Powered)

Bus 003 Device 004: ID 0409:005a NEC Corp. HighSpeed Hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         1 Single TT
  bMaxPacketSize0        64
  idVendor           0x0409 NEC Corp.
  idProduct          0x005a HighSpeed Hub
  bcdDevice            1.00
  iManufacturer           0 
  iProduct                0 
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           25
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
Hub Descriptor:
  bLength               9
  bDescriptorType      41
  nNbrPorts             4
  wHubCharacteristic 0x00a0
    Ganged power switching
    Ganged overcurrent protection
    TT think time 16 FS bits
    Port indicators
  bPwrOn2PwrGood        0 * 2 milli seconds
  bHubContrCurrent    100 milli Ampere
  DeviceRemovable    0x00
  PortPwrCtrlMask    0xff
 Hub Port Status:
   Port 1: 0000.0100 power
   Port 2: 0000.0103 power enable connect
   Port 3: 0000.0100 power
   Port 4: 0000.0100 power
Device Qualifier (for other device speed):
  bLength                10
  bDescriptorType         6
  bcdUSB               2.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         0 Full speed (or root) hub
  bMaxPacketSize0        64
  bNumConfigurations      1
Device Status:     0x0001
  Self Powered

Bus 003 Device 005: ID 0d8c:0021 C-Media Electronics, Inc. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        16
  idVendor           0x0d8c C-Media Electronics, Inc.
  idProduct          0x0021 
  bcdDevice            1.09
  iManufacturer           1 C-Media Electronics Inc.
  iProduct                2 USB Advanced Audio Device
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength          438
    bNumInterfaces          4
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         1 Audio
      bInterfaceSubClass      1 Control Device
      bInterfaceProtocol      0 
      iInterface              0 
      AudioControl Interface Descriptor:
        bLength                10
        bDescriptorType        36
        bDescriptorSubtype      1 (HEADER)
        bcdADC               1.00
        wTotalLength           95
        bInCollection           2
        baInterfaceNr( 0)       1
        baInterfaceNr( 1)       2
      AudioControl Interface Descriptor:
        bLength                12
        bDescriptorType        36
        bDescriptorSubtype      2 (INPUT_TERMINAL)
        bTerminalID             1
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bNrChannels             2
        wChannelConfig     0x0003
          Left Front (L)
          Right Front (R)
        iChannelNames           0 
        iTerminal               0 
      AudioControl Interface Descriptor:
        bLength                12
        bDescriptorType        36
        bDescriptorSubtype      2 (INPUT_TERMINAL)
        bTerminalID             2
        wTerminalType      0x0201 Microphone
        bAssocTerminal          0
        bNrChannels             2
        wChannelConfig     0x0003
          Left Front (L)
          Right Front (R)
        iChannelNames           0 
        iTerminal               0 
      AudioControl Interface Descriptor:
        bLength                 9
        bDescriptorType        36
        bDescriptorSubtype      3 (OUTPUT_TERMINAL)
        bTerminalID             3
        wTerminalType      0x0301 Speaker
        bAssocTerminal          0
        bSourceID               5
        iTerminal               0 
      AudioControl Interface Descriptor:
        bLength                 9
        bDescriptorType        36
        bDescriptorSubtype      3 (OUTPUT_TERMINAL)
        bTerminalID             4
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bSourceID               6
        iTerminal               0 
      AudioControl Interface Descriptor:
        bLength                10
        bDescriptorType        36
        bDescriptorSubtype      6 (FEATURE_UNIT)
        bUnitID                 5
        bSourceID               8
        bControlSize            1
        bmaControls( 0)      0x01
          Mute Control
        bmaControls( 1)      0x02
          Volume Control
        bmaControls( 2)      0x02
          Volume Control
        iFeature                0 
      AudioControl Interface Descriptor:
        bLength                10
        bDescriptorType        36
        bDescriptorSubtype      6 (FEATURE_UNIT)
        bUnitID                 6
        bSourceID               2
        bControlSize            1
        bmaControls( 0)      0x01
          Mute Control
        bmaControls( 1)      0x02
          Volume Control
        bmaControls( 2)      0x02
          Volume Control
        iFeature                0 
      AudioControl Interface Descriptor:
        bLength                10
        bDescriptorType        36
        bDescriptorSubtype      6 (FEATURE_UNIT)
        bUnitID                 7
        bSourceID               2
        bControlSize            1
        bmaControls( 0)      0x01
          Mute Control
        bmaControls( 1)      0x02
          Volume Control
        bmaControls( 2)      0x02
          Volume Control
        iFeature                0 
      AudioControl Interface Descriptor:
        bLength                13
        bDescriptorType        36
        bDescriptorSubtype      4 (MIXER_UNIT)
        bUnitID                 8
        bNrInPins               2
        baSourceID( 0)          1
        baSourceID( 1)          7
        bNrChannels             2
        wChannelConfig     0x0003
          Left Front (L)
          Right Front (R)
        iChannelNames           0 
        bmControls         0x00
        iMixer                  0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x89  EP 9 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0002  1x 2 bytes
        bInterval               4
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass         1 Audio
      bInterfaceSubClass      2 Streaming
      bInterfaceProtocol      0 
      iInterface              0 
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass         1 Audio
      bInterfaceSubClass      2 Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      AudioStreaming Interface Descriptor:
        bLength                 7
        bDescriptorType        36
        bDescriptorSubtype      1 (AS_GENERAL)
        bTerminalLink           1
        bDelay                  1 frames
        wFormatTag              1 PCM
      AudioStreaming Interface Descriptor:
        bLength                29
        bDescriptorType        36
        bDescriptorSubtype      2 (FORMAT_TYPE)
        bFormatType             1 (FORMAT_TYPE_I)
        bNrChannels             2
        bSubframeSize           2
        bBitResolution         16
        bSamFreqType            7 Discrete
        tSamFreq[ 0]         8000
        tSamFreq[ 1]        11025
        tSamFreq[ 2]        16000
        tSamFreq[ 3]        22050
        tSamFreq[ 4]        32000
        tSamFreq[ 5]        44100
        tSamFreq[ 6]        48000
      Endpoint Descriptor:
        bLength                 9
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes           13
          Transfer Type            Isochronous
          Synch Type               Synchronous
          Usage Type               Data
        wMaxPacketSize     0x00c4  1x 196 bytes
        bInterval               1
        bRefresh                0
        bSynchAddress           0
        AudioControl Endpoint Descriptor:
          bLength                 7
          bDescriptorType        37
          bDescriptorSubtype      1 (EP_GENERAL)
          bmAttributes         0x01
            Sampling Frequency
          bLockDelayUnits         0 Undefined
          wLockDelay              0 Undefined
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       2
      bNumEndpoints           1
      bInterfaceClass         1 Audio
      bInterfaceSubClass      2 Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      AudioStreaming Interface Descriptor:
        bLength                 7
        bDescriptorType        36
        bDescriptorSubtype      1 (AS_GENERAL)
        bTerminalLink           1
        bDelay                  1 frames
        wFormatTag              1 PCM
      AudioStreaming Interface Descriptor:
        bLength                29
        bDescriptorType        36
        bDescriptorSubtype      2 (FORMAT_TYPE)
        bFormatType             1 (FORMAT_TYPE_I)
        bNrChannels             2
        bSubframeSize           3
        bBitResolution         24
        bSamFreqType            7 Discrete
        tSamFreq[ 0]         8000
        tSamFreq[ 1]        11025
        tSamFreq[ 2]        16000
        tSamFreq[ 3]        22050
        tSamFreq[ 4]        32000
        tSamFreq[ 5]        44100
        tSamFreq[ 6]        48000
      Endpoint Descriptor:
        bLength                 9
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes           13
          Transfer Type            Isochronous
          Synch Type               Synchronous
          Usage Type               Data
        wMaxPacketSize     0x0126  1x 294 bytes
        bInterval               1
        bRefresh                0
        bSynchAddress           0
        AudioControl Endpoint Descriptor:
          bLength                 7
          bDescriptorType        37
          bDescriptorSubtype      1 (EP_GENERAL)
          bmAttributes         0x01
            Sampling Frequency
          bLockDelayUnits         0 Undefined
          wLockDelay              0 Undefined
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       3
      bNumEndpoints           1
      bInterfaceClass         1 Audio
      bInterfaceSubClass      2 Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      AudioStreaming Interface Descriptor:
        bLength                 7
        bDescriptorType        36
        bDescriptorSubtype      1 (AS_GENERAL)
        bTerminalLink           1
        bDelay                  1 frames
        wFormatTag              1 PCM
      AudioStreaming Interface Descriptor:
        bLength                14
        bDescriptorType        36
        bDescriptorSubtype      2 (FORMAT_TYPE)
        bFormatType             1 (FORMAT_TYPE_I)
        bNrChannels             2
        bSubframeSize           2
        bBitResolution         16
        bSamFreqType            2 Discrete
        tSamFreq[ 0]        88200
        tSamFreq[ 1]        96000
      Endpoint Descriptor:
        bLength                 9
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes           13
          Transfer Type            Isochronous
          Synch Type               Synchronous
          Usage Type               Data
        wMaxPacketSize     0x0184  1x 388 bytes
        bInterval               1
        bRefresh                0
        bSynchAddress           0
        AudioControl Endpoint Descriptor:
          bLength                 7
          bDescriptorType        37
          bDescriptorSubtype      1 (EP_GENERAL)
          bmAttributes         0x01
            Sampling Frequency
          bLockDelayUnits         0 Undefined
          wLockDelay              0 Undefined
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       4
      bNumEndpoints           1
      bInterfaceClass         1 Audio
      bInterfaceSubClass      2 Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      AudioStreaming Interface Descriptor:
        bLength                 7
        bDescriptorType        36
        bDescriptorSubtype      1 (AS_GENERAL)
        bTerminalLink           1
        bDelay                  1 frames
        wFormatTag              1 PCM
      AudioStreaming Interface Descriptor:
        bLength                14
        bDescriptorType        36
        bDescriptorSubtype      2 (FORMAT_TYPE)
        bFormatType             1 (FORMAT_TYPE_I)
        bNrChannels             2
        bSubframeSize           3
        bBitResolution         24
        bSamFreqType            2 Discrete
        tSamFreq[ 0]        88200
        tSamFreq[ 1]        96000
      Endpoint Descriptor:
        bLength                 9
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes           13
          Transfer Type            Isochronous
          Synch Type               Synchronous
          Usage Type               Data
        wMaxPacketSize     0x0246  1x 582 bytes
        bInterval               1
        bRefresh                0
        bSynchAddress           0
        AudioControl Endpoint Descriptor:
          bLength                 7
          bDescriptorType        37
          bDescriptorSubtype      1 (EP_GENERAL)
          bmAttributes         0x01
            Sampling Frequency
          bLockDelayUnits         0 Undefined
          wLockDelay              0 Undefined
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass         1 Audio
      bInterfaceSubClass      2 Streaming
      bInterfaceProtocol      0 
      iInterface              0 
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass         1 Audio
      bInterfaceSubClass      2 Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      AudioStreaming Interface Descriptor:
        bLength                 7
        bDescriptorType        36
        bDescriptorSubtype      1 (AS_GENERAL)
        bTerminalLink           4
        bDelay                  1 frames
        wFormatTag              1 PCM
      AudioStreaming Interface Descriptor:
        bLength                29
        bDescriptorType        36
        bDescriptorSubtype      2 (FORMAT_TYPE)
        bFormatType             1 (FORMAT_TYPE_I)
        bNrChannels             2
        bSubframeSize           2
        bBitResolution         16
        bSamFreqType            7 Discrete
        tSamFreq[ 0]         8000
        tSamFreq[ 1]        11025
        tSamFreq[ 2]        16000
        tSamFreq[ 3]        22050
        tSamFreq[ 4]        32000
        tSamFreq[ 5]        44100
        tSamFreq[ 6]        48000
      Endpoint Descriptor:
        bLength                 9
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes           13
          Transfer Type            Isochronous
          Synch Type               Synchronous
          Usage Type               Data
        wMaxPacketSize     0x00c4  1x 196 bytes
        bInterval               1
        bRefresh                0
        bSynchAddress           0
        AudioControl Endpoint Descriptor:
          bLength                 7
          bDescriptorType        37
          bDescriptorSubtype      1 (EP_GENERAL)
          bmAttributes         0x01
            Sampling Frequency
          bLockDelayUnits         0 Undefined
          wLockDelay              0 Undefined
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      0 None
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      69
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x87  EP 7 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0010  1x 16 bytes
        bInterval              32
Device Status:     0x0000
  (Bus Powered)

Bus 003 Device 003: ID 0835:2800 Action Star Enterprise Co., Ltd 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.10
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         2 TT per port
  bMaxPacketSize0        64
  idVendor           0x0835 Action Star Enterprise Co., Ltd
  idProduct          0x2800 
  bcdDevice           41.44
  iManufacturer           1 GenesysLogic
  iProduct                2 USB2.0 Hub
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           41
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      1 Single TT
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      2 TT per port
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
Hub Descriptor:
  bLength               9
  bDescriptorType      41
  nNbrPorts             4
  wHubCharacteristic 0x00ed
    Per-port power switching
    Compound device
    Per-port overcurrent protection
    TT think time 32 FS bits
    Port indicators
  bPwrOn2PwrGood       50 * 2 milli seconds
  bHubContrCurrent    100 milli Ampere
  DeviceRemovable    0x10
  PortPwrCtrlMask    0xff
 Hub Port Status:
   Port 1: 0000.0100 power
   Port 2: 0000.0100 power
   Port 3: 0000.0103 power enable connect
   Port 4: 0000.0100 power
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           42
  bNumDeviceCaps          3
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000006
      Link Power Management (LPM) Supported
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x00
    wSpeedsSupported   0x000e
      Device can operate at Full Speed (12Mbps)
      Device can operate at High Speed (480Mbps)
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   1
      Lowest fully-functional device speed is Full Speed (12Mbps)
    bU1DevExitLat           8 micro seconds
    bU2DevExitLat         190 micro seconds
  Container ID Device Capability:
    bLength                20
    bDescriptorType        16
    bDevCapabilityType      4
    bReserved               0
    ContainerID             {d0825121-57c6-4dca-9b18-b91182d1dd59}
Device Status:     0x0001
  Self Powered

Bus 003 Device 002: ID 0835:2800 Action Star Enterprise Co., Ltd 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.10
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         2 TT per port
  bMaxPacketSize0        64
  idVendor           0x0835 Action Star Enterprise Co., Ltd
  idProduct          0x2800 
  bcdDevice           61.10
  iManufacturer           1 GenesysLogic
  iProduct                2 USB2.0 Hub
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           41
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      1 Single TT
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      2 TT per port
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
Hub Descriptor:
  bLength               9
  bDescriptorType      41
  nNbrPorts             4
  wHubCharacteristic 0x00ed
    Per-port power switching
    Compound device
    Per-port overcurrent protection
    TT think time 32 FS bits
    Port indicators
  bPwrOn2PwrGood       50 * 2 milli seconds
  bHubContrCurrent    100 milli Ampere
  DeviceRemovable    0x02
  PortPwrCtrlMask    0xff
 Hub Port Status:
   Port 1: 0000.0503 highspeed power enable connect
   Port 2: 0000.0100 power
   Port 3: 0000.0503 highspeed power enable connect
   Port 4: 0000.0503 highspeed power enable connect
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           42
  bNumDeviceCaps          3
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000006
      Link Power Management (LPM) Supported
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x00
    wSpeedsSupported   0x000e
      Device can operate at Full Speed (12Mbps)
      Device can operate at High Speed (480Mbps)
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   1
      Lowest fully-functional device speed is Full Speed (12Mbps)
    bU1DevExitLat           8 micro seconds
    bU2DevExitLat         190 micro seconds
  Container ID Device Capability:
    bLength                20
    bDescriptorType        16
    bDevCapabilityType      4
    bReserved               0
    ContainerID             {5f1c5b3b-f503-4e25-b2fd-e641419ae1d6}
Device Status:     0x0001
  Self Powered

Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         1 Single TT
  bMaxPacketSize0        64
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0002 2.0 root hub
  bcdDevice            4.15
  iManufacturer           3 Linux 4.15.0-36-generic xhci-hcd
  iProduct                2 xHCI Host Controller
  iSerial                 1 0000:39:00.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           25
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12
Hub Descriptor:
  bLength               9
  bDescriptorType      41
  nNbrPorts             2
  wHubCharacteristic 0x000a
    No power switching (usb 1.0)
    Per-port overcurrent protection
    TT think time 8 FS bits
  bPwrOn2PwrGood       10 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  DeviceRemovable    0x00
  PortPwrCtrlMask    0xff
 Hub Port Status:
   Port 1: 0000.0503 highspeed power enable connect
   Port 2: 0000.0100 power
Device Status:     0x0001
  Self Powered

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               3.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         3 
  bMaxPacketSize0         9
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0003 3.0 root hub
  bcdDevice            4.15
  iManufacturer           3 Linux 4.15.0-36-generic xhci-hcd
  iProduct                2 xHCI Host Controller
  iSerial                 1 0000:00:14.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           31
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12
        bMaxBurst               0
Hub Descriptor:
  bLength              12
  bDescriptorType      42
  nNbrPorts             6
  wHubCharacteristic 0x000a
    No power switching (usb 1.0)
    Per-port overcurrent protection
  bPwrOn2PwrGood       10 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  bHubDecLat          0.0 micro seconds
  wHubDelay             0 nano seconds
  DeviceRemovable    0x00
 Hub Port Status:
   Port 1: 0000.02a0 5Gbps power Rx.Detect
   Port 2: 0000.02a0 5Gbps power Rx.Detect
   Port 3: 0000.02a0 5Gbps power Rx.Detect
   Port 4: 0000.02a0 5Gbps power Rx.Detect
   Port 5: 0000.02a0 5Gbps power Rx.Detect
   Port 6: 0000.02a0 5Gbps power Rx.Detect
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           15
  bNumDeviceCaps          1
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x02
      Latency Tolerance Messages (LTM) Supported
    wSpeedsSupported   0x0008
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   3
      Lowest fully-functional device speed is SuperSpeed (5Gbps)
    bU1DevExitLat          10 micro seconds
    bU2DevExitLat         512 micro seconds
Device Status:     0x0001
  Self Powered

Bus 001 Device 005: ID 0c45:670c Microdia 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.01
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 ?
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x0c45 Microdia
  idProduct          0x670c 
  bcdDevice           56.26
  iManufacturer           2 CN09GTFM724875C1B913A01
  iProduct                1 Integrated_Webcam_HD
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength          532
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    ** UNRECOGNIZED:  28 ff 42 49 53 54 00 01 06 01 10 00 00 00 00 00 d1 10 f4 01 d2 11 f4 01 d3 12 f4 01 d4 13 f4 01 d5 14 f4 01 d6 15 f4 01
    Interface Association:
      bLength                 8
      bDescriptorType        11
      bFirstInterface         0
      bInterfaceCount         2
      bFunctionClass         14 Video
      bFunctionSubClass       3 Video Interface Collection
      bFunctionProtocol       0 
      iFunction               5 Integrated Webcam
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      1 Video Control
      bInterfaceProtocol      0 
      iInterface              5 Integrated Webcam
      VideoControl Interface Descriptor:
        bLength                13
        bDescriptorType        36
        bDescriptorSubtype      1 (HEADER)
        bcdUVC               1.00
        wTotalLength          103
        dwClockFrequency       15.000000MHz
        bInCollection           1
        baInterfaceNr( 0)       1
      VideoControl Interface Descriptor:
        bLength                 9
        bDescriptorType        36
        bDescriptorSubtype      3 (OUTPUT_TERMINAL)
        bTerminalID             5
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bSourceID               4
        iTerminal               0 
      VideoControl Interface Descriptor:
        bLength                26
        bDescriptorType        36
        bDescriptorSubtype      6 (EXTENSION_UNIT)
        bUnitID                 3
        guidExtensionCode         {7033f028-1163-2e4a-ba2c-6890eb334016}
        bNumControl             8
        bNrPins                 1
        baSourceID( 0)          2
        bControlSize            1
        bmControls( 0)       0x1f
        iExtension              0 
      VideoControl Interface Descriptor:
        bLength                26
        bDescriptorType        36
        bDescriptorSubtype      6 (EXTENSION_UNIT)
        bUnitID                 4
        guidExtensionCode         {c385b80f-c268-4745-90f7-8f47579d95fc}
        bNumControl             8
        bNrPins                 1
        baSourceID( 0)          3
        bControlSize            1
        bmControls( 0)       0x0f
        iExtension              0 
      VideoControl Interface Descriptor:
        bLength                18
        bDescriptorType        36
        bDescriptorSubtype      2 (INPUT_TERMINAL)
        bTerminalID             1
        wTerminalType      0x0201 Camera Sensor
        bAssocTerminal          0
        iTerminal               0 
        wObjectiveFocalLengthMin      0
        wObjectiveFocalLengthMax      0
        wOcularFocalLength            0
        bControlSize                  3
        bmControls           0x0000000a
          Auto-Exposure Mode
          Exposure Time (Absolute)
      VideoControl Interface Descriptor:
        bLength                11
        bDescriptorType        36
        bDescriptorSubtype      5 (PROCESSING_UNIT)
      Warning: Descriptor too short
        bUnitID                 2
        bSourceID               1
        wMaxMultiplier          0
        bControlSize            2
        bmControls     0x0000177f
          Brightness
          Contrast
          Hue
          Saturation
          Sharpness
          Gamma
          White Balance Temperature
          Backlight Compensation
          Gain
          Power Line Frequency
          White Balance Temperature, Auto
        iProcessing             0 
        bmVideoStandards     0x 0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0010  1x 16 bytes
        bInterval               6
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              5 Integrated Webcam
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
        INTERFACE CLASS:  0f 24 01 02 4f 01 82 00 05 00 00 00 01 00 00
        INTERFACE CLASS:  0b 24 06 01 03 00 01 00 00 00 00
        INTERFACE CLASS:  1e 24 07 01 00 00 05 d0 02 30 28 60 1a 30 28 60 1a 4d 22 1c 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 07 02 00 c0 03 1c 02 30 08 d7 0e 30 08 d7 0e 4d d4 0f 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 07 03 00 50 03 e0 01 30 68 a7 0b 30 68 a7 0b 4d 6e 0c 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  06 24 0d 01 01 04
        INTERFACE CLASS:  1b 24 04 02 06 59 55 59 32 00 00 10 00 80 00 00 aa 00 38 9b 71 10 01 00 00 00 00
        INTERFACE CLASS:  1e 24 05 01 00 80 02 e0 01 00 00 ca 08 00 00 ca 08 00 60 09 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 05 02 00 80 02 68 01 00 80 97 06 00 80 97 06 00 08 07 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 05 03 00 a8 01 f0 00 00 50 e9 02 00 50 e9 02 00 1b 03 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 05 04 00 40 01 f0 00 00 80 32 02 00 80 32 02 00 58 02 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 05 05 00 40 01 b4 00 00 e0 a5 01 00 e0 a5 01 00 c2 01 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 05 06 00 a0 00 78 00 00 a0 8c 00 00 a0 8c 00 00 96 00 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  06 24 0d 01 01 04
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           12
  bNumDeviceCaps          1
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000002
      Link Power Management (LPM) Supported
Device Status:     0x0002
  (Bus Powered)
  Remote Wakeup Enabled

Bus 001 Device 004: ID 04f3:20d0 Elan Microelectronics Corp. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x04f3 Elan Microelectronics Corp.
  idProduct          0x20d0 
  bcdDevice           11.12
  iManufacturer           4 ELAN
  iProduct               14 Touchscreen
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           41
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      0 None
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.10
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength     945
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               2
Device Status:     0x0001
  Self Powered

Bus 001 Device 003: ID 0a5c:6412 Broadcom Corp. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          255 Vendor Specific Class
  bDeviceSubClass         1 
  bDeviceProtocol         1 
  bMaxPacketSize0        64
  idVendor           0x0a5c Broadcom Corp.
  idProduct          0x6412 
  bcdDevice            1.12
  iManufacturer           1 Broadcom Corp
  iProduct                2 BCM2045A0
  iSerial                 3 3052CBE8648A
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength          218
    bNumInterfaces          4
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      1 
      bInterfaceProtocol      1 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0010  1x 16 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      1 
      bInterfaceProtocol      1 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0000  1x 0 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0000  1x 0 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       1
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      1 
      bInterfaceProtocol      1 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0009  1x 9 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0009  1x 9 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       2
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      1 
      bInterfaceProtocol      1 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0011  1x 17 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0011  1x 17 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       3
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      1 
      bInterfaceProtocol      1 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0019  1x 25 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0019  1x 25 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       4
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      1 
      bInterfaceProtocol      1 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0021  1x 33 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0021  1x 33 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       5
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      1 
      bInterfaceProtocol      1 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0031  1x 49 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0031  1x 49 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x84  EP 4 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x04  EP 4 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass       254 Application Specific Interface
      bInterfaceSubClass      1 Device Firmware Update
      bInterfaceProtocol      1 
      iInterface              0 
      Device Firmware Upgrade Interface Descriptor:
        bLength                             9
        bDescriptorType                    33
        bmAttributes                        5
          Will Not Detach
          Manifestation Tolerant
          Upload Unsupported
          Download Supported
        wDetachTimeout                   5000 milliseconds
        wTransferSize                      64 bytes
        bcdDFUVersion                   1.10
Device Status:     0x0001
  Self Powered

Bus 001 Device 009: ID 046d:c52b Logitech, Inc. Unifying Receiver
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x046d Logitech, Inc.
  idProduct          0xc52b Unifying Receiver
  bcdDevice           12.03
  iManufacturer           1 Logitech
  iProduct                2 USB Receiver
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           84
    bNumInterfaces          3
    bConfigurationValue     1
    iConfiguration          4 RQR12.03_B0025
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower               98mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      1 Boot Interface Subclass
      bInterfaceProtocol      1 Keyboard
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      59
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               8
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      1 Boot Interface Subclass
      bInterfaceProtocol      2 Mouse
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength     148
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               2
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      0 None
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      93
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               2
Device Status:     0x0000
  (Bus Powered)

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         1 Single TT
  bMaxPacketSize0        64
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0002 2.0 root hub
  bcdDevice            4.15
  iManufacturer           3 Linux 4.15.0-36-generic xhci-hcd
  iProduct                2 xHCI Host Controller
  iSerial                 1 0000:00:14.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           25
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12
Hub Descriptor:
  bLength              11
  bDescriptorType      41
  nNbrPorts            12
  wHubCharacteristic 0x000a
    No power switching (usb 1.0)
    Per-port overcurrent protection
    TT think time 8 FS bits
  bPwrOn2PwrGood       10 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  DeviceRemovable    0x38 0x00
  PortPwrCtrlMask    0xff 0xff
 Hub Port Status:
   Port 1: 0000.0103 power enable connect
   Port 2: 0000.0100 power
   Port 3: 0000.0103 power enable connect
   Port 4: 0000.0103 power enable connect
   Port 5: 0000.0503 highspeed power enable connect
   Port 6: 0000.0100 power
   Port 7: 0000.0100 power
   Port 8: 0000.0100 power
   Port 9: 0000.0100 power
   Port 10: 0000.0100 power
   Port 11: 0000.0100 power
   Port 12: 0000.0100 power
Device Status:     0x0001
  Self Powered

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