Hi Laurent and Mauro Sometime has gone by and I don't know what you have done but one of the kernel updates has actually resulted in a working camera. thanks Gregor On Mon, 2020-11-16 at 10:45 +0200, Laurent Pinchart wrote: > Hi Gregor, > > On Sat, Nov 07, 2020 at 05:23:39PM +0100, Gregor Hlawacek wrote: > > On Thu, 2020-11-05 at 11:19 +0200, Laurent Pinchart wrote: > > > Hi Gregor, > > > > > > On Thu, Nov 05, 2020 at 08:41:27AM +0100, Gregor Hlawacek wrote: > > > > > > [snip] > > > > > > > Hi Mauro and Laurent > > > > > > > > @Mauro: > > > > > > > > I think there is a confusion, which might be my fault as I > > > > talked about > > > > a chicony cam in the external monitor. The chicony cam that > > > > shows up as > > > > video0/1 is my internal laptop camera which is working fine. > > > > The > > > > problematic one is the sunplusIT camera which has a chicony usb > > > > identifier (0412). This is connected to video2-5 and also the > > > > one > > > > for > > > > which I reported the above information. > > > > > > > > @Laurent: > > > > > > > > lsusb -v -d 0412:612b: > > > > > > [snip] > > > > > > Thank for the information. Nothing strikes me as weird. Could you > > > > > > - Set the uvcvideo trace parameter to 0xffff: > > > > > > sudo echo 0xffff > /sys/module/uvcvideo/parameters/trace > > > > > > - Unplug and replug the monitor > > > - Open the video devices in turn with v4l2-ctl (use the video > > > device > > > nodes /dev/video* directly, not the by-id links) > > > - Send send the output of 'sudo dmesg' > > > > > > You can clear the kernel log with 'sudo dmesg -c' before doing so > > > to > > > avoid including unrelated data (or just strip it from the dmesg > > > output manually when copying it to an e-mail). > > > > Hi Laurent > > > > sorry for the delay but I had to many other things going on during > > the > > end of this week. Here is the output attached. > > > > Have a nice weekend > > > > [33660.481848] usb 3-1: USB disconnect, device number 2 > > [33660.481849] usb 3-1.1: USB disconnect, device number 3 > > [33660.481851] usb 3-1.1.1: USB disconnect, device number 4 > > [33660.481851] usb 3-1.1.1.1: USB disconnect, device number 6 > > [33660.484576] usb 3-1.1.1.2: USB disconnect, device number 7 > > [33660.549398] xhci_hcd 0000:3c:00.0: xHCI host controller not > > responding, assume dead > > [33660.549413] xhci_hcd 0000:3c:00.0: HC died; cleaning up > > [33660.549431] r8152 4-1.1.2:1.0 enp60s0u1u1u2: Stop submitting > > intr, status -108 > > [33660.549508] usb 4-1: USB disconnect, device number 2 > > [33660.549510] usb 4-1.1: USB disconnect, device number 3 > > [33660.549512] usb 4-1.1.1: USB disconnect, device number 4 > > [33660.550559] usb 4-1.1.2: USB disconnect, device number 5 > > [33660.572578] xhci_hcd 0000:3c:00.0: remove, state 1 > > [33660.572582] usb usb4: USB disconnect, device number 1 > > [33660.597015] xhci_hcd 0000:3c:00.0: USB bus 4 deregistered > > [33660.597022] xhci_hcd 0000:3c:00.0: remove, state 1 > > [33660.597027] usb usb3: USB disconnect, device number 1 > > [33660.598130] uvcvideo: uvc_v4l2_open > > [33660.603339] usb 3-1.1.3: USB disconnect, device number 5 > > [33660.709741] uvcvideo: Resuming interface 0 > > [33660.709743] uvcvideo: Resuming interface 1 > > [33660.709837] uvcvideo: uvc_v4l2_release > > [33660.710050] uvcvideo: uvc_v4l2_open > > [33660.710104] uvcvideo: uvc_v4l2_release > > [33660.711395] uvcvideo: uvc_v4l2_open > > [33660.711449] uvcvideo: uvc_v4l2_release > > [33660.746041] xhci_hcd 0000:3c:00.0: Host halt failed, -19 > > [33660.746047] xhci_hcd 0000:3c:00.0: Host not accessible, reset > > failed. > > [33660.746484] xhci_hcd 0000:3c:00.0: USB bus 3 deregistered > > [33660.765730] uvcvideo: uvc_v4l2_open > > [33660.765969] uvcvideo: uvc_v4l2_release > > [33660.785299] uvcvideo: uvc_v4l2_open > > [33660.787265] uvcvideo: uvc_v4l2_release > > [33660.976605] pci_bus 0000:05: Allocating resources > > [33660.976635] pcieport 0000:05:01.0: bridge window [io 0x1000- > > 0x0fff] to [bus 07-3b] add_size 1000 > > [33660.976642] pcieport 0000:05:02.0: bridge window [io 0x1000- > > 0x0fff] to [bus 3c] add_size 1000 > > [33660.976649] pcieport 0000:05:02.0: bridge window [mem > > 0x00100000-0x000fffff 64bit pref] to [bus 3c] add_size 200000 > > add_align 100000 > > [33660.976656] pcieport 0000:04:00.0: bridge window [io 0x1000- > > 0x0fff] to [bus 05-3c] add_size 3000 > > [33660.976666] pcieport 0000:04:00.0: BAR 13: no space for [io > > size 0x3000] > > [33660.976671] pcieport 0000:04:00.0: BAR 13: failed to assign [io > > size 0x3000] > > [33660.976677] pcieport 0000:04:00.0: BAR 13: no space for [io > > size 0x3000] > > [33660.976682] pcieport 0000:04:00.0: BAR 13: failed to assign [io > > size 0x3000] > > [33660.976696] pcieport 0000:05:02.0: BAR 15: no space for [mem > > size 0x00200000 64bit pref] > > [33660.976700] pcieport 0000:05:02.0: BAR 15: failed to assign [mem > > size 0x00200000 64bit pref] > > [33660.976705] pcieport 0000:05:01.0: BAR 13: no space for [io > > size 0x1000] > > [33660.976711] pcieport 0000:05:01.0: BAR 13: failed to assign [io > > size 0x1000] > > [33660.976716] pcieport 0000:05:02.0: BAR 13: no space for [io > > size 0x1000] > > [33660.976720] pcieport 0000:05:02.0: BAR 13: failed to assign [io > > size 0x1000] > > [33660.976730] pcieport 0000:05:02.0: BAR 15: no space for [mem > > size 0x00200000 64bit pref] > > [33660.976734] pcieport 0000:05:02.0: BAR 15: failed to assign [mem > > size 0x00200000 64bit pref] > > [33660.976739] pcieport 0000:05:02.0: BAR 13: no space for [io > > size 0x1000] > > [33660.976744] pcieport 0000:05:02.0: BAR 13: failed to assign [io > > size 0x1000] > > [33660.976748] pcieport 0000:05:01.0: BAR 13: no space for [io > > size 0x1000] > > [33660.976753] pcieport 0000:05:01.0: BAR 13: failed to assign [io > > size 0x1000] > > [33663.292784] uvcvideo: Suspending interface 1 > > [33663.292787] uvcvideo: Suspending interface 0 > > [33665.695288] pcieport 0000:05:00.0: can't change power state from > > D3cold to D0 (config space inaccessible) > > [33665.695971] pci_bus 0000:06: busn_res: [bus 06] is released > > [33665.696182] pci_bus 0000:07: busn_res: [bus 07-3b] is released > > [33665.696329] pci_bus 0000:3c: busn_res: [bus 3c] is released > > [33665.701153] pci_bus 0000:05: busn_res: [bus 05-3c] is released > > I assume all this corresponds to unplugging the monitor. Is it > connected > over a thunderbolt 3 (PCIe and DP over a USB type C donnector) ? > > > [33667.950096] wlp61s0: authenticate with f0:b0:14:99:cd:fc > > [33667.960464] wlp61s0: send auth to f0:b0:14:99:cd:fc (try 1/3) > > [33667.971065] wlp61s0: authenticated > > [33667.972706] wlp61s0: associate with f0:b0:14:99:cd:fc (try 1/3) > > [33667.975090] wlp61s0: RX AssocResp from f0:b0:14:99:cd:fc > > (capab=0x1511 status=0 aid=3) > > [33667.977717] wlp61s0: associated > > [33668.004909] wlp61s0: Limiting TX power to 27 (30 - 3) dBm as > > advertised by f0:b0:14:99:cd:fc > > [33668.004996] IPv6: ADDRCONF(NETDEV_CHANGE): wlp61s0: link becomes > > ready > > This is unrelated. > > I assume that you've replugged the monitor at this point. > > > [33675.939837] pci 0000:04:00.0: [8086:15c0] type 01 class 0x060400 > > [33675.939900] pci 0000:04:00.0: enabling Extended Tags > > [33675.940013] pci 0000:04:00.0: supports D1 D2 > > [33675.940015] pci 0000:04:00.0: PME# supported from D0 D1 D2 D3hot > > D3cold > > [33675.940292] pci 0000:05:00.0: [8086:15c0] type 01 class 0x060400 > > [33675.940343] pci 0000:05:00.0: enabling Extended Tags > > [33675.940426] pci 0000:05:00.0: supports D1 D2 > > [33675.940426] pci 0000:05:00.0: PME# supported from D0 D1 D2 D3hot > > D3cold > > [33675.940546] pci 0000:05:01.0: [8086:15c0] type 01 class 0x060400 > > [33675.940597] pci 0000:05:01.0: enabling Extended Tags > > [33675.940678] pci 0000:05:01.0: supports D1 D2 > > [33675.940679] pci 0000:05:01.0: PME# supported from D0 D1 D2 D3hot > > D3cold > > [33675.940802] pci 0000:05:02.0: [8086:15c0] type 01 class 0x060400 > > [33675.940854] pci 0000:05:02.0: enabling Extended Tags > > [33675.940938] pci 0000:05:02.0: supports D1 D2 > > [33675.940939] pci 0000:05:02.0: PME# supported from D0 D1 D2 D3hot > > D3cold > > [33675.941100] pci 0000:04:00.0: PCI bridge to [bus 05-3c] > > [33675.941108] pci 0000:04:00.0: bridge window [mem 0xc4000000- > > 0xda0fffff] > > [33675.941114] pci 0000:04:00.0: bridge window [mem 0xa0000000- > > 0xc1ffffff 64bit pref] > > [33675.941161] pci 0000:05:00.0: PCI bridge to [bus 06] > > [33675.941168] pci 0000:05:00.0: bridge window [mem 0xda000000- > > 0xda0fffff] > > [33675.941212] pci 0000:05:01.0: PCI bridge to [bus 07-3b] > > [33675.941220] pci 0000:05:01.0: bridge window [mem 0xc4000000- > > 0xd9efffff] > > [33675.941225] pci 0000:05:01.0: bridge window [mem 0xa0000000- > > 0xc1ffffff 64bit pref] > > [33675.941307] pci 0000:3c:00.0: [8086:15c1] type 00 class 0x0c0330 > > [33675.941329] pci 0000:3c:00.0: reg 0x10: [mem 0xd9f00000- > > 0xd9f0ffff] > > [33675.941404] pci 0000:3c:00.0: enabling Extended Tags > > [33675.941517] pci 0000:3c:00.0: supports D1 D2 > > [33675.941518] pci 0000:3c:00.0: PME# supported from D0 D1 D2 D3hot > > D3cold > > [33675.941607] pci 0000:3c:00.0: 8.000 Gb/s available PCIe > > bandwidth, limited by 2.5 GT/s PCIe x4 link at 0000:05:02.0 > > (capable of 31.504 Gb/s with 8.0 GT/s PCIe x4 link) > > [33675.941745] pci 0000:05:02.0: PCI bridge to [bus 3c] > > [33675.941754] pci 0000:05:02.0: bridge window [mem 0xd9f00000- > > 0xd9ffffff] > > [33675.941782] pci_bus 0000:05: Allocating resources > > [33675.941797] pci 0000:05:01.0: bridge window [io 0x1000-0x0fff] > > to [bus 07-3b] add_size 1000 > > [33675.941799] pci 0000:05:02.0: bridge window [io 0x1000-0x0fff] > > to [bus 3c] add_size 1000 > > [33675.941800] pci 0000:05:02.0: bridge window [mem 0x00100000- > > 0x000fffff 64bit pref] to [bus 3c] add_size 200000 add_align 100000 > > [33675.941802] pci 0000:04:00.0: bridge window [io 0x1000-0x0fff] > > to [bus 05-3c] add_size 3000 > > [33675.941805] pci 0000:04:00.0: BAR 13: no space for [io size > > 0x3000] > > [33675.941806] pci 0000:04:00.0: BAR 13: failed to assign [io size > > 0x3000] > > [33675.941808] pci 0000:04:00.0: BAR 13: no space for [io size > > 0x3000] > > [33675.941809] pci 0000:04:00.0: BAR 13: failed to assign [io size > > 0x3000] > > [33675.941812] pci 0000:05:02.0: BAR 15: no space for [mem size > > 0x00200000 64bit pref] > > [33675.941813] pci 0000:05:02.0: BAR 15: failed to assign [mem size > > 0x00200000 64bit pref] > > [33675.941814] pci 0000:05:01.0: BAR 13: no space for [io size > > 0x1000] > > [33675.941815] pci 0000:05:01.0: BAR 13: failed to assign [io size > > 0x1000] > > [33675.941815] pci 0000:05:02.0: BAR 13: no space for [io size > > 0x1000] > > [33675.941816] pci 0000:05:02.0: BAR 13: failed to assign [io size > > 0x1000] > > [33675.941819] pci 0000:05:02.0: BAR 15: no space for [mem size > > 0x00200000 64bit pref] > > [33675.941819] pci 0000:05:02.0: BAR 15: failed to assign [mem size > > 0x00200000 64bit pref] > > [33675.941820] pci 0000:05:02.0: BAR 13: no space for [io size > > 0x1000] > > [33675.941821] pci 0000:05:02.0: BAR 13: failed to assign [io size > > 0x1000] > > [33675.941822] pci 0000:05:01.0: BAR 13: no space for [io size > > 0x1000] > > [33675.941822] pci 0000:05:01.0: BAR 13: failed to assign [io size > > 0x1000] > > [33675.941825] pci 0000:05:00.0: PCI bridge to [bus 06] > > [33675.941832] pci 0000:05:00.0: bridge window [mem 0xda000000- > > 0xda0fffff] > > [33675.941840] pci 0000:05:01.0: PCI bridge to [bus 07-3b] > > [33675.941844] pci 0000:05:01.0: bridge window [mem 0xc4000000- > > 0xd9efffff] > > [33675.941847] pci 0000:05:01.0: bridge window [mem 0xa0000000- > > 0xc1ffffff 64bit pref] > > [33675.941852] pci 0000:05:02.0: PCI bridge to [bus 3c] > > [33675.941856] pci 0000:05:02.0: bridge window [mem 0xd9f00000- > > 0xd9ffffff] > > [33675.941864] pci 0000:04:00.0: PCI bridge to [bus 05-3c] > > [33675.941868] pci 0000:04:00.0: bridge window [mem 0xc4000000- > > 0xda0fffff] > > [33675.941871] pci 0000:04:00.0: bridge window [mem 0xa0000000- > > 0xc1ffffff 64bit pref] > > [33675.943143] xhci_hcd 0000:3c:00.0: xHCI Host Controller > > [33675.943149] xhci_hcd 0000:3c:00.0: new USB bus registered, > > assigned bus number 3 > > [33675.944287] xhci_hcd 0000:3c:00.0: hcc params 0x200077c1 hci > > version 0x110 quirks 0x0000000000009810 > > [33675.944513] usb usb3: New USB device found, idVendor=1d6b, > > idProduct=0002, bcdDevice= 5.09 > > [33675.944514] usb usb3: New USB device strings: Mfr=3, Product=2, > > SerialNumber=1 > > [33675.944516] usb usb3: Product: xHCI Host Controller > > [33675.944517] usb usb3: Manufacturer: Linux 5.9.4-arch1-1 xhci-hcd > > [33675.944518] usb usb3: SerialNumber: 0000:3c:00.0 > > [33675.944681] hub 3-0:1.0: USB hub found > > [33675.944691] hub 3-0:1.0: 2 ports detected > > [33675.945358] xhci_hcd 0000:3c:00.0: xHCI Host Controller > > [33675.945362] xhci_hcd 0000:3c:00.0: new USB bus registered, > > assigned bus number 4 > > [33675.945366] xhci_hcd 0000:3c:00.0: Host supports USB 3.1 > > Enhanced SuperSpeed > > [33675.945405] usb usb4: New USB device found, idVendor=1d6b, > > idProduct=0003, bcdDevice= 5.09 > > [33675.945407] usb usb4: New USB device strings: Mfr=3, Product=2, > > SerialNumber=1 > > [33675.945408] usb usb4: Product: xHCI Host Controller > > [33675.945410] usb usb4: Manufacturer: Linux 5.9.4-arch1-1 xhci-hcd > > [33675.945411] usb usb4: SerialNumber: 0000:3c:00.0 > > [33675.945533] hub 4-0:1.0: USB hub found > > [33675.945541] hub 4-0:1.0: 2 ports detected > > Two XHCI (USB 3) controllers seem to be present in your monitor, > they're > assigned buses 3 and 4. > > > [33676.272630] usb 3-1: new high-speed USB device number 2 using > > xhci_hcd > > [33676.415928] usb 3-1: New USB device found, idVendor=0bda, > > idProduct=5420, bcdDevice= 1.30 > > [33676.415929] usb 3-1: New USB device strings: Mfr=1, Product=2, > > SerialNumber=0 > > [33676.415930] usb 3-1: Product: 4-Port USB 2.0 Hub > > [33676.415931] usb 3-1: Manufacturer: Generic > > [33676.416882] hub 3-1:1.0: USB hub found > > [33676.417126] hub 3-1:1.0: 5 ports detected > > [33676.539368] usb 4-1: new SuperSpeedPlus Gen 2 USB device number > > 2 using xhci_hcd > > [33676.562679] usb 4-1: New USB device found, idVendor=0bda, > > idProduct=0420, bcdDevice= 1.30 > > [33676.562681] usb 4-1: New USB device strings: Mfr=1, Product=2, > > SerialNumber=0 > > [33676.562682] usb 4-1: Product: 4-Port USB 3.0 Hub > > [33676.562683] usb 4-1: Manufacturer: Generic > > [33676.565072] hub 4-1:1.0: USB hub found > > [33676.565367] hub 4-1:1.0: 4 ports detected > > Each of them has a root hub with 5 and 4 ports respectively. > > > [33676.699303] usb 3-1.1: new high-speed USB device number 3 using > > xhci_hcd > > [33676.824290] usb 3-1.1: New USB device found, idVendor=0bda, > > idProduct=5420, bcdDevice= 1.29 > > [33676.824292] usb 3-1.1: New USB device strings: Mfr=1, Product=2, > > SerialNumber=0 > > [33676.824294] usb 3-1.1: Product: 4-Port USB 2.0 Hub > > [33676.824294] usb 3-1.1: Manufacturer: Generic > > [33676.826109] hub 3-1.1:1.0: USB hub found > > [33676.827260] hub 3-1.1:1.0: 4 ports detected > > [33676.889920] usb 4-1.1: new SuperSpeedPlus Gen 2 USB device > > number 3 using xhci_hcd > > [33676.921137] usb 4-1.1: New USB device found, idVendor=0bda, > > idProduct=0420, bcdDevice= 1.29 > > [33676.921139] usb 4-1.1: New USB device strings: Mfr=1, Product=2, > > SerialNumber=0 > > [33676.921140] usb 4-1.1: Product: 4-Port USB 3.0 Hub > > [33676.921141] usb 4-1.1: Manufacturer: Generic > > [33676.929999] hub 4-1.1:1.0: USB hub found > > [33676.931410] hub 4-1.1:1.0: 4 ports detected > > On port 1 of each root hub there's a USB 2.0 hub with 4 ports. > > > [33677.109278] usb 3-1.1.1: new high-speed USB device number 4 > > using xhci_hcd > > [33677.234131] usb 3-1.1.1: New USB device found, idVendor=0bda, > > idProduct=5412, bcdDevice= 1.20 > > [33677.234133] usb 3-1.1.1: New USB device strings: Mfr=1, > > Product=2, SerialNumber=0 > > [33677.234134] usb 3-1.1.1: Product: 2-Port USB 2.1 Hub > > [33677.234135] usb 3-1.1.1: Manufacturer: Generic > > [33677.235575] hub 3-1.1.1:1.0: USB hub found > > [33677.237584] hub 3-1.1.1:1.0: 2 ports detected > > [33677.299864] usb 4-1.1.1: new SuperSpeed Gen 1 USB device number > > 4 using xhci_hcd > > [33677.330281] usb 4-1.1.1: New USB device found, idVendor=0bda, > > idProduct=0412, bcdDevice= 1.20 > > [33677.330283] usb 4-1.1.1: New USB device strings: Mfr=1, > > Product=2, SerialNumber=0 > > [33677.330284] usb 4-1.1.1: Product: 4-Port USB 3.1 Hub > > [33677.330286] usb 4-1.1.1: Manufacturer: Generic > > [33677.339379] hub 4-1.1.1:1.0: USB hub found > > [33677.341114] hub 4-1.1.1:1.0: 2 ports detected > > And on port 1 of each of the USB 2.0 hubs there's a USB 2.1 hub with > two > ports. The topology is getting a bit complicated. > > > [33677.395926] usb 3-1.1.3: new full-speed USB device number 5 > > using xhci_hcd > > [33677.487520] usb 3-1.1.3: New USB device found, idVendor=046a, > > idProduct=00b0, bcdDevice= 1.01 > > [33677.487522] usb 3-1.1.3: New USB device strings: Mfr=1, > > Product=2, SerialNumber=0 > > [33677.487523] usb 3-1.1.3: Product: Mechanical Keyboard > > [33677.487524] usb 3-1.1.3: Manufacturer: CHERRY > > [33677.494244] input: CHERRY Mechanical Keyboard as > > /devices/pci0000:00/0000:00:1c.4/0000:04:00.0/0000:05:02.0/0000:3c: > > 00.0/usb3/3-1/3-1.1/3-1.1.3/3- > > 1.1.3:1.0/0003:046A:00B0.000A/input/input43 > > [33677.549426] hid-generic 0003:046A:00B0.000A: input,hidraw1: USB > > HID v1.11 Keyboard [CHERRY Mechanical Keyboard] on usb- > > 0000:3c:00.0-1.1.3/input0 > > [33677.550173] input: CHERRY Mechanical Keyboard as > > /devices/pci0000:00/0000:00:1c.4/0000:04:00.0/0000:05:02.0/0000:3c: > > 00.0/usb3/3-1/3-1.1/3-1.1.3/3- > > 1.1.3:1.1/0003:046A:00B0.000B/input/input44 > > On port 3 of the USB 2.0 hub for bus 3 there's a keyboard. > > > [33677.559243] usb 3-1.1.1.1: new high-speed USB device number 6 > > using xhci_hcd > > [33677.606030] hid-generic 0003:046A:00B0.000B: input,hidraw2: USB > > HID v1.11 Device [CHERRY Mechanical Keyboard] on usb-0000:3c:00.0- > > 1.1.3/input1 > > [33677.848662] usb 3-1.1.1.1: New USB device found, idVendor=0bda, > > idProduct=48a5, bcdDevice= 0.01 > > [33677.848663] usb 3-1.1.1.1: New USB device strings: Mfr=3, > > Product=1, SerialNumber=2 > > [33677.848664] usb 3-1.1.1.1: Product: USB Audio > > [33677.848665] usb 3-1.1.1.1: Manufacturer: Generic > > [33677.848666] usb 3-1.1.1.1: SerialNumber: 201405280001 > > On port 1 of the USB 2.1 hub for bus 3 there's an audio device. > > > [33677.969289] usb 3-1.1.1.2: new high-speed USB device number 7 > > using xhci_hcd > > [33678.134841] usb 3-1.1.1.2: New USB device found, idVendor=04f2, > > idProduct=b612, bcdDevice= 2.10 > > [33678.134843] usb 3-1.1.1.2: New USB device strings: Mfr=1, > > Product=2, SerialNumber=3 > > [33678.134844] usb 3-1.1.1.2: Product: USB2.0 FHD UVC WebCam > > [33678.134844] usb 3-1.1.1.2: Manufacturer: SunplusIT Inc > > [33678.134845] usb 3-1.1.1.2: SerialNumber: 01.00.00 > > And on port 2 of the same hub there's your webcam. > > > [33678.145922] uvcvideo: Probing generic UVC device 1.1.1.2 > > [33678.149746] uvcvideo: Found format MJPEG. > > [33678.149748] uvcvideo: - 640x480 (30.0 fps) > > [33678.149749] uvcvideo: - 1920x1080 (30.0 fps) > > [33678.149750] uvcvideo: - 1280x720 (30.0 fps) > > [33678.149750] uvcvideo: - 640x360 (30.0 fps) > > [33678.149751] uvcvideo: - 352x288 (30.0 fps) > > [33678.149752] uvcvideo: - 320x240 (30.0 fps) > > [33678.149753] uvcvideo: - 176x144 (30.0 fps) > > [33678.149754] uvcvideo: Found format YUV 4:2:2 (YUYV). > > [33678.149754] uvcvideo: - 640x480 (30.0 fps) > > [33678.149755] uvcvideo: - 640x360 (30.0 fps) > > [33678.149755] uvcvideo: - 352x288 (30.0 fps) > > [33678.149756] uvcvideo: - 320x240 (30.0 fps) > > [33678.149756] uvcvideo: - 176x144 (30.0 fps) > > [33678.149759] uvcvideo: Found a Status endpoint (addr 87). > > [33678.149760] uvcvideo: Found UVC 1.50 device USB2.0 FHD UVC > > WebCam (04f2:b612) > > [33678.153431] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000001/2 to device 1.1.1.2 entity 1 > > [33678.153434] uvcvideo: Adding mapping 'Exposure, Auto' to control > > 00000000-0000-0000-0000-000000000001/2. > > [33678.157171] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000001/4 to device 1.1.1.2 entity 1 > > [33678.157175] uvcvideo: Adding mapping 'Exposure (Absolute)' to > > control 00000000-0000-0000-0000-000000000001/4. > > [33678.160954] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000101/2 to device 1.1.1.2 entity 2 > > [33678.160956] uvcvideo: Adding mapping 'Brightness' to control > > 00000000-0000-0000-0000-000000000101/2. > > [33678.164794] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000101/3 to device 1.1.1.2 entity 2 > > [33678.164797] uvcvideo: Adding mapping 'Contrast' to control > > 00000000-0000-0000-0000-000000000101/3. > > [33678.168589] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000101/6 to device 1.1.1.2 entity 2 > > [33678.168590] uvcvideo: Adding mapping 'Hue' to control 00000000- > > 0000-0000-0000-000000000101/6. > > [33678.172374] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000101/7 to device 1.1.1.2 entity 2 > > [33678.172376] uvcvideo: Adding mapping 'Saturation' to control > > 00000000-0000-0000-0000-000000000101/7. > > [33678.176233] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000101/8 to device 1.1.1.2 entity 2 > > [33678.176236] uvcvideo: Adding mapping 'Sharpness' to control > > 00000000-0000-0000-0000-000000000101/8. > > [33678.179988] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000101/9 to device 1.1.1.2 entity 2 > > [33678.179990] uvcvideo: Adding mapping 'Gamma' to control > > 00000000-0000-0000-0000-000000000101/9. > > [33678.183820] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000101/10 to device 1.1.1.2 entity 2 > > [33678.183822] uvcvideo: Adding mapping 'White Balance Temperature' > > to control 00000000-0000-0000-0000-000000000101/10. > > [33678.187612] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000101/1 to device 1.1.1.2 entity 2 > > [33678.187614] uvcvideo: Adding mapping 'Backlight Compensation' to > > control 00000000-0000-0000-0000-000000000101/1. > > [33678.191115] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000101/5 to device 1.1.1.2 entity 2 > > [33678.191118] uvcvideo: Adding mapping 'Power Line Frequency' to > > control 00000000-0000-0000-0000-000000000101/5. > > [33678.194955] uvcvideo: Added control 00000000-0000-0000-0000- > > 000000000101/11 to device 1.1.1.2 entity 2 > > [33678.194959] uvcvideo: Adding mapping 'White Balance Temperature, > > Auto' to control 00000000-0000-0000-0000-000000000101/11. > > [33678.194963] uvcvideo: Scanning UVC chain: OT 5 <- XU 4 <- XU 3 > > <- PU 2 <- IT 1 > > [33678.194966] uvcvideo: Found a valid video chain (1 -> 5). > > [33678.212183] input: USB2.0 FHD UVC WebCam: USB2.0 F as > > /devices/pci0000:00/0000:00:1c.4/0000:04:00.0/0000:05:02.0/0000:3c: > > 00.0/usb3/3-1/3-1.1/3-1.1.1/3-1.1.1.2/3-1.1.1.2:1.0/input/input45 > > [33678.212283] uvcvideo: UVC device initialized. > > [33678.216492] uvcvideo: Probing generic UVC device 1.1.1.2 > > [33678.220254] uvcvideo: Found format IR 8-bit (L8_IR). > > [33678.220256] uvcvideo: - 352x352 (30.0 fps) > > [33678.220260] uvcvideo: Found a Status endpoint (addr 84). > > [33678.220261] uvcvideo: Found UVC 1.50 device USB2.0 FHD UVC > > WebCam (04f2:b612) > > [33678.220264] uvcvideo: Scanning UVC chain: OT 5 <- XU 4 <- XU 7 > > <- PU 2 <- IT 1 > > [33678.220267] uvcvideo: Found a valid video chain (1 -> 5). > > [33678.237583] input: USB2.0 FHD UVC WebCam: IR Camer as > > /devices/pci0000:00/0000:00:1c.4/0000:04:00.0/0000:05:02.0/0000:3c: > > 00.0/usb3/3-1/3-1.1/3-1.1.1/3-1.1.1.2/3-1.1.1.2:1.2/input/input46 > > [33678.237667] uvcvideo: UVC device initialized. > > [33678.329348] usb 4-1.1.2: new SuperSpeed Gen 1 USB device number > > 5 using xhci_hcd > > [33678.346494] usb 4-1.1.2: New USB device found, idVendor=0bda, > > idProduct=8153, bcdDevice=31.00 > > [33678.346497] usb 4-1.1.2: New USB device strings: Mfr=1, > > Product=2, SerialNumber=6 > > [33678.346498] usb 4-1.1.2: Product: USB 10/100/1000 LAN > > [33678.346500] usb 4-1.1.2: Manufacturer: Realtek > > [33678.346501] usb 4-1.1.2: SerialNumber: 000000000000 > > [33678.426195] usb 4-1.1.2: reset SuperSpeed Gen 1 USB device > > number 5 using xhci_hcd > > [33678.489706] r8152 4-1.1.2:1.0 eth0: v2.14.0 (2020/09/24) > > [33678.489708] r8152 4-1.1.2:1.0 eth0: This product is covered by > > one or more of the following patents: > > US6,570,884, US6,115,776, and US6,327,625. > > > > [33678.632895] usb 4-1.1.2: reset SuperSpeed Gen 1 USB device > > number 5 using xhci_hcd > > [33678.698562] r8152 4-1.1.2:1.0 eth0: v2.14.0 (2020/09/24) > > [33678.698565] r8152 4-1.1.2:1.0 eth0: This product is covered by > > one or more of the following patents: > > US6,570,884, US6,115,776, and US6,327,625. > > > > [33678.969798] r8152 4-1.1.2:1.0 enp60s0u1u1u2: renamed from eth0 > > Then on bus 4 there's a network controller (the patents information > really don't belong to the kernel... I wonder where those messages > come > from though, I can't find them in the kernel sources). > > > [33679.516896] uvcvideo: uvc_v4l2_open > > [33679.516929] uvcvideo: uvc_v4l2_release > > [33679.534194] uvcvideo: uvc_v4l2_open > > [33679.534210] uvcvideo: uvc_v4l2_release > > [33679.535192] uvcvideo: uvc_v4l2_open > > [33679.535293] uvcvideo: uvc_v4l2_release > > [33679.535393] uvcvideo: uvc_v4l2_open > > [33679.535407] uvcvideo: Control 0x00980900 not found. > > [33679.535411] uvcvideo: Control 0x00980901 not found. > > [33679.535414] uvcvideo: Control 0x00980902 not found. > > [33679.535416] uvcvideo: Control 0x00980903 not found. > > [33679.535419] uvcvideo: Control 0x00980904 not found. > > [33679.535421] uvcvideo: Control 0x00980905 not found. > > [33679.535424] uvcvideo: Control 0x00980906 not found. > > [33679.535427] uvcvideo: Control 0x00980907 not found. > > [33679.535429] uvcvideo: Control 0x00980908 not found. > > [33679.535432] uvcvideo: Control 0x00980909 not found. > > [33679.535434] uvcvideo: Control 0x0098090a not found. > > [33679.535437] uvcvideo: Control 0x0098090b not found. > > [33679.535440] uvcvideo: Control 0x0098090c not found. > > [33679.535442] uvcvideo: Control 0x0098090d not found. > > [33679.535445] uvcvideo: Control 0x0098090e not found. > > [33679.535448] uvcvideo: Control 0x0098090f not found. > > [33679.535450] uvcvideo: Control 0x00980910 not found. > > [33679.535453] uvcvideo: Control 0x00980911 not found. > > [33679.535456] uvcvideo: Control 0x00980912 not found. > > [33679.535458] uvcvideo: Control 0x00980913 not found. > > [33679.535461] uvcvideo: Control 0x00980914 not found. > > [33679.535463] uvcvideo: Control 0x00980915 not found. > > [33679.535466] uvcvideo: Control 0x00980916 not found. > > [33679.535469] uvcvideo: Control 0x00980917 not found. > > [33679.535472] uvcvideo: Control 0x00980918 not found. > > [33679.535475] uvcvideo: Control 0x00980919 not found. > > [33679.535477] uvcvideo: Control 0x0098091a not found. > > [33679.535480] uvcvideo: Control 0x0098091b not found. > > [33679.535483] uvcvideo: Control 0x0098091c not found. > > [33679.535485] uvcvideo: Control 0x0098091d not found. > > [33679.535488] uvcvideo: Control 0x0098091e not found. > > [33679.535491] uvcvideo: Control 0x0098091f not found. > > [33679.535493] uvcvideo: Control 0x00980920 not found. > > [33679.535496] uvcvideo: Control 0x00980921 not found. > > [33679.535499] uvcvideo: Control 0x00980922 not found. > > [33679.535501] uvcvideo: Control 0x00980923 not found. > > [33679.535504] uvcvideo: Control 0x00980924 not found. > > [33679.535507] uvcvideo: Control 0x00980925 not found. > > [33679.535509] uvcvideo: Control 0x00980926 not found. > > [33679.535511] uvcvideo: uvc_v4l2_open > > [33679.535512] uvcvideo: Control 0x00980927 not found. > > [33679.535515] uvcvideo: Control 0x00980928 not found. > > [33679.535517] uvcvideo: Control 0x00980929 not found. > > [33679.535520] uvcvideo: Control 0x0098092a not found. > > [33679.535523] uvcvideo: Control 0x00980900 not found. > > [33679.535524] uvcvideo: Control 0x08000000 not found. > > [33679.535527] uvcvideo: Control 0x00980901 not found. > > [33679.535528] uvcvideo: uvc_v4l2_release > > [33679.535532] uvcvideo: Control 0x00980902 not found. > > [33679.535536] uvcvideo: Control 0x00980903 not found. > > [33679.535540] uvcvideo: Control 0x00980904 not found. > > [33679.535540] uvcvideo: uvc_v4l2_open > > [33679.535544] uvcvideo: Control 0x00980905 not found. > > [33679.535548] uvcvideo: Control 0x00980906 not found. > > [33679.535550] uvcvideo: uvc_v4l2_release > > [33679.535552] uvcvideo: Control 0x00980907 not found. > > [33679.535556] uvcvideo: Control 0x00980908 not found. > > [33679.535560] uvcvideo: Control 0x00980909 not found. > > [33679.535564] uvcvideo: Control 0x0098090a not found. > > [33679.535568] uvcvideo: Control 0x0098090b not found. > > [33679.535571] uvcvideo: Control 0x0098090c not found. > > [33679.535575] uvcvideo: Control 0x0098090d not found. > > [33679.535579] uvcvideo: Control 0x0098090e not found. > > [33679.535583] uvcvideo: Control 0x0098090f not found. > > [33679.535587] uvcvideo: Control 0x00980910 not found. > > [33679.535590] uvcvideo: Control 0x00980911 not found. > > [33679.535594] uvcvideo: Control 0x00980912 not found. > > [33679.535598] uvcvideo: Control 0x00980913 not found. > > [33679.535602] uvcvideo: Control 0x00980914 not found. > > [33679.535605] uvcvideo: Control 0x00980915 not found. > > [33679.535609] uvcvideo: Control 0x00980916 not found. > > [33679.535613] uvcvideo: Control 0x00980917 not found. > > [33679.535617] uvcvideo: Control 0x00980918 not found. > > [33679.535620] uvcvideo: Control 0x00980919 not found. > > [33679.535625] uvcvideo: Control 0x0098091a not found. > > [33679.535628] uvcvideo: Control 0x0098091b not found. > > [33679.535632] uvcvideo: Control 0x0098091c not found. > > [33679.535636] uvcvideo: Control 0x0098091d not found. > > [33679.535640] uvcvideo: Control 0x0098091e not found. > > [33679.535644] uvcvideo: Control 0x0098091f not found. > > [33679.535648] uvcvideo: Control 0x00980920 not found. > > [33679.535651] uvcvideo: Control 0x00980921 not found. > > [33679.535655] uvcvideo: Control 0x00980922 not found. > > [33679.535659] uvcvideo: Control 0x00980923 not found. > > [33679.535663] uvcvideo: Control 0x00980924 not found. > > [33679.535666] uvcvideo: Control 0x00980925 not found. > > [33679.535670] uvcvideo: Control 0x00980926 not found. > > [33679.535674] uvcvideo: Control 0x00980927 not found. > > [33679.535678] uvcvideo: Control 0x00980928 not found. > > [33679.535682] uvcvideo: Control 0x00980929 not found. > > [33679.535685] uvcvideo: Control 0x0098092a not found. > > [33679.535689] uvcvideo: Control 0x08000000 not found. > > [33679.535693] uvcvideo: uvc_v4l2_release > > [33679.539084] uvcvideo: uvc_v4l2_open > > [33679.539933] uvcvideo: uvc_v4l2_open > > [33679.541867] uvcvideo: uvc_v4l2_release > > [33679.541979] uvcvideo: uvc_v4l2_open > > [33679.542010] uvcvideo: uvc_v4l2_release > > [33679.542097] uvcvideo: uvc_v4l2_open > > [33679.543598] uvcvideo: uvc_v4l2_open > > [33679.543614] uvcvideo: uvc_v4l2_release > > [33679.543875] uvcvideo: uvc_v4l2_open > > [33679.543886] uvcvideo: Control 0x00980900 not found. > > [33679.543889] uvcvideo: Control 0x00980901 not found. > > [33679.543892] uvcvideo: Control 0x00980902 not found. > > [33679.543895] uvcvideo: Control 0x00980903 not found. > > [33679.543897] uvcvideo: Control 0x00980904 not found. > > [33679.543900] uvcvideo: Control 0x00980905 not found. > > [33679.543903] uvcvideo: Control 0x00980906 not found. > > [33679.543905] uvcvideo: Control 0x00980907 not found. > > [33679.543908] uvcvideo: Control 0x00980908 not found. > > [33679.543911] uvcvideo: Control 0x00980909 not found. > > [33679.543913] uvcvideo: Control 0x0098090a not found. > > [33679.543916] uvcvideo: Control 0x0098090b not found. > > [33679.543919] uvcvideo: Control 0x0098090c not found. > > [33679.543921] uvcvideo: Control 0x0098090d not found. > > [33679.543924] uvcvideo: Control 0x0098090e not found. > > [33679.543927] uvcvideo: Control 0x0098090f not found. > > [33679.543930] uvcvideo: Control 0x00980910 not found. > > [33679.543933] uvcvideo: Control 0x00980911 not found. > > [33679.543935] uvcvideo: Control 0x00980912 not found. > > [33679.543938] uvcvideo: Control 0x00980913 not found. > > [33679.543941] uvcvideo: Control 0x00980914 not found. > > [33679.543943] uvcvideo: Control 0x00980915 not found. > > [33679.543946] uvcvideo: Control 0x00980916 not found. > > [33679.543949] uvcvideo: Control 0x00980917 not found. > > [33679.543951] uvcvideo: Control 0x00980918 not found. > > [33679.543954] uvcvideo: Control 0x00980919 not found. > > [33679.543957] uvcvideo: Control 0x0098091a not found. > > [33679.543959] uvcvideo: Control 0x0098091b not found. > > [33679.543962] uvcvideo: Control 0x0098091c not found. > > [33679.543964] uvcvideo: Control 0x0098091d not found. > > [33679.543967] uvcvideo: Control 0x0098091e not found. > > [33679.543970] uvcvideo: Control 0x0098091f not found. > > [33679.543973] uvcvideo: Control 0x00980920 not found. > > [33679.543975] uvcvideo: Control 0x00980921 not found. > > [33679.543978] uvcvideo: Control 0x00980922 not found. > > [33679.543980] uvcvideo: Control 0x00980923 not found. > > [33679.543983] uvcvideo: Control 0x00980924 not found. > > [33679.543986] uvcvideo: Control 0x00980925 not found. > > [33679.543989] uvcvideo: Control 0x00980926 not found. > > [33679.543991] uvcvideo: Control 0x00980927 not found. > > [33679.543994] uvcvideo: Control 0x00980928 not found. > > [33679.543996] uvcvideo: Control 0x00980929 not found. > > [33679.543999] uvcvideo: Control 0x0098092a not found. > > [33679.544002] uvcvideo: Control 0x08000000 not found. > > [33679.544005] uvcvideo: uvc_v4l2_release > > [33679.544091] uvcvideo: uvc_v4l2_open > > [33679.544100] uvcvideo: uvc_v4l2_release > > [33679.544214] uvcvideo: uvc_v4l2_open > > [33679.557062] uvcvideo: uvc_v4l2_open > > [33679.557076] uvcvideo: uvc_v4l2_release > > [33679.557228] uvcvideo: uvc_v4l2_open > > [33679.557239] uvcvideo: Control 0x00980900 not found. > > [33679.557242] uvcvideo: Control 0x00980901 not found. > > [33679.557246] uvcvideo: Control 0x00980902 not found. > > [33679.557249] uvcvideo: Control 0x00980903 not found. > > [33679.557252] uvcvideo: Control 0x00980904 not found. > > [33679.557255] uvcvideo: Control 0x00980905 not found. > > [33679.557258] uvcvideo: Control 0x00980906 not found. > > [33679.557261] uvcvideo: Control 0x00980907 not found. > > [33679.557263] uvcvideo: Control 0x00980908 not found. > > [33679.557266] uvcvideo: Control 0x00980909 not found. > > [33679.557269] uvcvideo: Control 0x0098090a not found. > > [33679.557272] uvcvideo: Control 0x0098090b not found. > > [33679.557275] uvcvideo: Control 0x0098090c not found. > > [33679.557277] uvcvideo: Control 0x0098090d not found. > > [33679.557280] uvcvideo: Control 0x0098090e not found. > > [33679.557283] uvcvideo: Control 0x0098090f not found. > > [33679.557285] uvcvideo: Control 0x00980910 not found. > > [33679.557288] uvcvideo: Control 0x00980911 not found. > > [33679.557291] uvcvideo: Control 0x00980912 not found. > > [33679.557294] uvcvideo: Control 0x00980913 not found. > > [33679.557297] uvcvideo: Control 0x00980914 not found. > > [33679.557299] uvcvideo: Control 0x00980915 not found. > > [33679.557302] uvcvideo: Control 0x00980916 not found. > > [33679.557305] uvcvideo: Control 0x00980917 not found. > > [33679.557308] uvcvideo: Control 0x00980918 not found. > > [33679.557311] uvcvideo: Control 0x00980919 not found. > > [33679.557313] uvcvideo: Control 0x0098091a not found. > > [33679.557316] uvcvideo: Control 0x0098091b not found. > > [33679.557318] uvcvideo: Control 0x0098091c not found. > > [33679.557321] uvcvideo: Control 0x0098091d not found. > > [33679.557324] uvcvideo: Control 0x0098091e not found. > > [33679.557327] uvcvideo: Control 0x0098091f not found. > > [33679.557331] uvcvideo: Control 0x00980920 not found. > > [33679.557334] uvcvideo: Control 0x00980921 not found. > > [33679.557337] uvcvideo: Control 0x00980922 not found. > > [33679.557340] uvcvideo: Control 0x00980923 not found. > > [33679.557343] uvcvideo: Control 0x00980924 not found. > > [33679.557345] uvcvideo: Control 0x00980925 not found. > > [33679.557348] uvcvideo: Control 0x00980926 not found. > > [33679.557351] uvcvideo: Control 0x00980927 not found. > > [33679.557353] uvcvideo: Control 0x00980928 not found. > > [33679.557356] uvcvideo: Control 0x00980929 not found. > > [33679.557359] uvcvideo: Control 0x0098092a not found. > > [33679.557361] uvcvideo: Control 0x08000000 not found. > > [33679.557364] uvcvideo: uvc_v4l2_release > > [33679.557446] uvcvideo: uvc_v4l2_open > > [33679.557463] uvcvideo: uvc_v4l2_release > > [33679.557547] uvcvideo: uvc_v4l2_open > > [33679.701284] uvcvideo: uvc_v4l2_release > > [33679.701293] uvcvideo: uvc_v4l2_release > > [33679.701305] uvcvideo: uvc_v4l2_open > > [33679.701305] uvcvideo: uvc_v4l2_open > > [33679.701310] uvcvideo: uvc_v4l2_release > > [33679.701326] uvcvideo: uvc_v4l2_release > > [33679.701332] uvcvideo: uvc_v4l2_open > > [33679.701393] uvcvideo: uvc_v4l2_open > > [33679.812706] uvcvideo: Resuming interface 0 > > [33679.812708] uvcvideo: Resuming interface 1 > > [33679.812745] uvcvideo: uvc_v4l2_release > > [33679.812746] uvcvideo: uvc_v4l2_release > > [33679.812746] uvcvideo: uvc_v4l2_release > > [33679.812747] uvcvideo: uvc_v4l2_release > > [33679.812871] uvcvideo: uvc_v4l2_open > > [33679.812871] uvcvideo: uvc_v4l2_open > > [33679.812872] uvcvideo: uvc_v4l2_open > > [33679.812881] uvcvideo: uvc_v4l2_open > > [33679.812944] uvcvideo: uvc_v4l2_release > > [33679.812945] uvcvideo: uvc_v4l2_release > > [33679.812945] uvcvideo: uvc_v4l2_release > > [33679.812949] uvcvideo: uvc_v4l2_release > > [33679.814214] uvcvideo: uvc_v4l2_open > > [33679.814235] uvcvideo: uvc_v4l2_release > > [33679.815265] uvcvideo: uvc_v4l2_open > > [33679.815289] uvcvideo: uvc_v4l2_release > > [33679.815774] uvcvideo: uvc_v4l2_open > > [33679.815798] uvcvideo: uvc_v4l2_release > > [33679.815888] uvcvideo: uvc_v4l2_open > > [33679.815916] uvcvideo: uvc_v4l2_release > > [33679.816772] uvcvideo: uvc_v4l2_open > > [33679.816783] uvcvideo: uvc_v4l2_release > > [33679.816994] uvcvideo: uvc_v4l2_open > > [33679.817004] uvcvideo: uvc_v4l2_release > > [33679.868762] uvcvideo: uvc_v4l2_open > > [33679.868775] uvcvideo: uvc_v4l2_release > > [33679.868875] uvcvideo: uvc_v4l2_open > > [33679.868985] uvcvideo: uvc_v4l2_release > > [33679.869075] uvcvideo: uvc_v4l2_open > > [33679.869153] uvcvideo: uvc_v4l2_release > > [33679.869244] uvcvideo: uvc_v4l2_open > > [33679.869311] uvcvideo: uvc_v4l2_release > > [33679.869394] uvcvideo: uvc_v4l2_open > > [33679.869442] uvcvideo: uvc_v4l2_release > > [33679.870128] uvcvideo: uvc_v4l2_open > > [33679.870136] uvcvideo: uvc_v4l2_release > > [33679.870237] uvcvideo: uvc_v4l2_open > > [33679.870330] uvcvideo: uvc_v4l2_release > > [33679.870431] uvcvideo: uvc_v4l2_open > > [33679.870502] uvcvideo: uvc_v4l2_release > > Userspace looks at the V4L2 devices (I assume this is an automated > process under udev's control, possibly running /lib/udev/v4l_id). > > > [33681.724746] IPv6: ADDRCONF(NETDEV_CHANGE): enp60s0u1u1u2: link > > becomes ready > > [33681.725242] r8152 4-1.1.2:1.0 enp60s0u1u1u2: carrier on > > [33682.312529] uvcvideo: Suspending interface 1 > > [33682.312532] uvcvideo: Suspending interface 0 > > [33682.369227] uvcvideo: Suspending interface 3 > > [33682.369228] uvcvideo: Suspending interface 2 > > [33682.369229] uvcvideo: Suspending interface 1 > > [33682.369229] uvcvideo: Suspending interface 0 > > And there the kernel auto-suspends the camera, as it's not in use. > > > [33684.020289] wlp61s0: deauthenticating from f0:b0:14:99:cd:fc by > > local choice (Reason: 3=DEAUTH_LEAVING) > > [33688.189318] usb 3-1.1.1: Failed to suspend device, error -110 > > However, something goes wrong. > > > [33733.405785] uvcvideo: uvc_v4l2_open > > [33733.405906] hub 3-1.1.1:1.0: hub_ext_port_status failed (err = - > > 71) > > [33733.406202] usb 3-1.1.1-port2: cannot disable (err = -71) > > [33733.406391] usb 3-1.1.1-port2: device 3-1.1.1.2 not suspended > > yet > > And when opening the device, an error occurs. > > I'm afraid I don't know why the device fails to suspend :-S As a > quick > hack, you could try commenting out the call to > usb_enable_autosuspend() > in uvc_probe(). If that fixes the issue then we know it's an > auto-suspend problem, and I would then recommend CC'ing the linux-usb > mailing list to get help with that. It may be that the camera is > buggy > and doesn't support auto-suspend (in which case we could add a quirk > in > the UVC driver - or possibly in the USB subsystem core - to > selectively > disable auto-suspend for that model), or there could be a bug > somewhere > in the kernel. > > > [33739.747081] uvcvideo: uvc_v4l2_open >
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