Re: PROBLEM: DWC3 USB 3.0 not working on Odroid-XU4 with Exynos 5422

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Hi Vivek,

On Di, 2016-10-04 at 11:32 +0530, Vivek Gautam wrote:
> Hi Michael,
> 
> 
> On Tue, Aug 30, 2016 at 10:32 AM, Anand Moon <linux.amoon@xxxxxxxxx> wrote:
> > 
> > Hi All
> > 
> > Adding Vivek Gautam.
> 
> Sorry for missing out this conversation. I am no longer part of Samsung.
> 
> > 
> > 
> > On 29 August 2016 at 16:35, Michael Niewöhner <linux@xxxxxxxxxxxxxx> wrote:
> > > 
> > > Hi Mathias,
> > > On Mo, 2016-08-29 at 13:59 +0300, Mathias Nyman wrote:
> > > > 
> > > > On 29.08.2016 10:28, Felipe Balbi wrote:
> > > > > 
> > > > > 
> > > > > 
> > > > > Hi,
> > > > > 
> > > > > Michael Niewöhner <linux@xxxxxxxxxxxxxx> writes:
> > > > > > 
> > > > > > 
> > > > > > [1.] One line summary of the problem:
> > > > > > DWC3 USB 3.0 not working on Odroid-XU4 with Exynos 5422
> > > > > > 
> > > > > > [2.] Full description of the problem/report:
> > > > > > No usb 3.0 devices are being detected when attached while USB 2.0
> > > > > > devices work on the same port.
> > > > > > USB 3.0 works after applying patches [9.1] and [9.2], but seems
> > > > > > to be
> > > > > > buggy. The usb hub is redetected every time an usb device is
> > > > > > attached.
> 
> [snip]
> 
> > 
> > > 
> > > > 
> > > > > 
> > > > > 
> > > > > > 
> > > > > > 
> > > > > > [9.] Other notes, patches, fixes, workarounds:
> > > > > > [9.1] https://lkml.org/lkml/2014/4/28/234
> > > > > > [9.2] https://lkml.org/lkml/2015/2/2/259
> 
> These patches are required to get USB super-speed working on Exynos5420/5800.
> But they did not make to upstream. There was resistance on adding new
> phy_calibrate()
> callback.
> 
> Without these patches the Exynos5420/5800 will enumerate all
> super-speed capable devices
> as high-speed devices.
> Last time we checked with exynos542x smdk boards and peach-* boards,
> we could get the
> Super - speed devices working. I have not tested odroid anytime so
> don't have much idea about the
> its intricacies.
> I guess Anand was able to use these patches to get his kernel working in past.


The patches don't work anymore with 4.8-rc* / 4.8. They worked - but very
unstable - with 4.7.

One more problem appeared since one of the 4.8-RCs: reboot hangs when the dwc3
module is loaded. If I unload it before reboot / shutdown everything is fine.


> 
> When you have a downstream on-board usb hub, ideally it should be able
> to detect the devices
> and not reset everytime you connect a new device (like you mentioned earlier).
> There can be two possible reasons why the hub keeps getting reset ever
> after applying the above
> mentioned patches:
> 1) the clock rates are not proper.
> 2) the regulator load setting is not enough to drive the hub.
> 
> Anand, can you please point Michael to an older kernel with which you
> could test usb on odroid successfully ?
> You can compare the clocks with an older version and see if there'a
> any difference.
> 
> Any possibility of any other framework (such as, bus-freq) trimming
> down the clock - rates ?


################################
# v4.7.5
################################

$ cat /sys/kernel/debug/clk/clk_summary | grep usb     
 sclk_usbh20_scan_clk                     0            0   480000000          0 
 sclk_usbh20                              0            0    48000
000          0 
    mout_usbd300                          1            1    24000000          0 
       dout_usbd300                       0            0    24000000          0 
          sclk_usbd300   
                 0            0    24000000          0 
       dout_usbphy300                     1            1    24000000          0 
          sclk_usbphy300                  4            4    24000
000          0 
    mout_usbd301                          1            1    24000000          0 
       dout_usbd301                       0            0    24000000          0 
          sclk_usbd301   
                 0            0    24000000          0 
       dout_usbphy301                     1            1    24000000          0 
          sclk_usbphy301                  3            3    24000
000          0 
                         usbd301           1            1   100000000           
                         usbd300           1            1   100000000           
                         
usbh20           3            3   100000000          0

$ cat /sys/kernel/debug/usb/devices
T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480  MxCh= 3              
B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0                                  
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1                    
P:  Vendor=1d6b ProdID=0002 Rev= 4.07                                           
S:  Manufacturer=Linux 4.7.5+ ehci_hcd                                          
S:  Product=EHCI Host Controller                                                
S:  SerialNumber=12110000.usb:                                                  
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                          
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub               
E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms                                   
                                                                                
T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12   MxCh= 3              
B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0                                  
D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1                    
P:  Vendor=1d6b ProdID=0001 Rev= 4.07                                           
S:  Manufacturer=Linux 4.7.5+ ohci_hcd                                          
S:  Product=USB Host Controller                                                 
S:  SerialNumber=12120000.usb:                                                  
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                          
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub               
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms                                   
                                                                                
T:  Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480  MxCh= 1              
B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0                                  
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1                    
P:  Vendor=1d6b ProdID=0002 Rev= 4.07                                           
S:  Manufacturer=Linux 4.7.5+ xhci-hcd                                          
S:  Product=xHCI Host Controller                                                
S:  SerialNumber=xhci-hcd.4.auto                                                
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                          
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub               
E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms                                   
                                                                                
T:  Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480  MxCh= 2              
D:  Ver= 2.10 Cls=09(hub  ) Sub=00 Prot=02 MxPS=64 #Cfgs=  1                    
P:  Vendor=05e3 ProdID=0610 Rev=92.22                                           
S:  Manufacturer=GenesysLogic                                                   
S:  Product=USB2.0 Hub                                                          
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA                                          
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=01 Driver=hub               
E:  Ad=81(I) Atr=03(Int.) MxPS=   1 Ivl=256ms                                   
I:* If#= 0 Alt= 1 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=02 Driver=hub               
E:  Ad=81(I) Atr=03(Int.) MxPS=   1 Ivl=256ms                                   
                                                                                
T:  Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=5000 MxCh= 1              
B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0                                  
D:  Ver= 3.00 Cls=09(hub  ) Sub=00 Prot=03 MxPS= 9 #Cfgs=  1                    
P:  Vendor=1d6b ProdID=0003 Rev= 4.07                                           
S:  Manufacturer=Linux 4.7.5+ xhci-hcd                                          
S:  Product=xHCI Host Controller                                                
S:  SerialNumber=xhci-hcd.4.auto                                                
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                          
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub               
E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms                                   
                                                                                
T:  Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=5000 MxCh= 2              
D:  Ver= 3.00 Cls=09(hub  ) Sub=00 Prot=03 MxPS= 9 #Cfgs=  1                    
P:  Vendor=05e3 ProdID=0616 Rev=92.22                                           
S:  Manufacturer=GenesysLogic                                                   
S:  Product=USB3.0 Hub                                                          
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                          
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub               
E:  Ad=83(I) Atr=13(Int.) MxPS=   2 Ivl=16ms                                    
                                                                                
T:  Bus=04 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#=  3 Spd=5000 MxCh= 0              
D:  Ver= 3.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs=  1                    
P:  Vendor=1e68 ProdID=008a Rev= 1.00                                           
S:  Manufacturer=TrekStor                                                       
S:  Product=DS picco SSD                                                        
S:  SerialNumber=20151111311B                                                   
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=  0mA                                          
I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage       
E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                     
E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                     
I:  If#= 0 Alt= 1 #EPs= 4 Cls=08(stor.) Sub=06 Prot=62 Driver=usb-storage       
E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                     
E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                     
E:  Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                     
E:  Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                     
                                                                                
T:  Bus=05 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480  MxCh= 1              
B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0                                  
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1                    
P:  Vendor=1d6b ProdID=0002 Rev= 4.07                                           
S:  Manufacturer=Linux 4.7.5+ xhci-hcd                                          
S:  Product=xHCI Host Controller                                                
S:  SerialNumber=xhci-hcd.5.auto                                                
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                          
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub               
E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms                                   
                                                                                
T:  Bus=06 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=5000 MxCh= 1              
B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0                                  
D:  Ver= 3.00 Cls=09(hub  ) Sub=00 Prot=03 MxPS= 9 #Cfgs=  1                    
P:  Vendor=1d6b ProdID=0003 Rev= 4.07                                           
S:  Manufacturer=Linux 4.7.5+ xhci-hcd                                          
S:  Product=xHCI Host Controller                                                
S:  SerialNumber=xhci-hcd.5.auto                                                
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                          
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub               
E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms                                   
                                                                                
T:  Bus=06 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=5000 MxCh= 0              
D:  Ver= 3.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs=  2                    
P:  Vendor=0bda ProdID=8153 Rev=30.00                                           
S:  Manufacturer=Realtek                                                        
S:  Product=USB 10/100/1000 LAN                                                 
S:  SerialNumber=000001000000                                                   
C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=256mA                                          
I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=00 Driver=r8152             
E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                     
E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                     
E:  Ad=83(I) Atr=03(Int.) MxPS=   2 Ivl=16ms                                    
C:  #Ifs= 2 Cfg#= 2 Atr=a0 MxPwr=256mA                                          
I:  If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=                  
E:  Ad=83(I) Atr=03(Int.) MxPS=  16 Ivl=16ms                                    
I:  If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=                  
I:  If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=                  
E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                     
E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms


################################
# v4.8.0
################################

$ cat /sys/kernel/debug/clk/clk_summary | grep usb
 sclk_usbh20_scan_clk                     0            0   480000000          0 
 sclk_usbh20                              0            0    48000000  
        0 
    mout_usbd300                          1            1    24000000          0 
       dout_usbd300                       0            0    24000000          0 
          sclk_usbd300        
            0            0    24000000          0 
       dout_usbphy300                     1            1    24000000          0 
          sclk_usbphy300                  4            4    24000000  
        0 
    mout_usbd301                          1            1    24000000          0 
       dout_usbd301                       0            0    24000000          0 
          sclk_usbd301        
            0            0    24000000          0 
       dout_usbphy301                     1            1    24000000          0 
          sclk_usbphy301                  3            3    24000000  
        0 
                         usbd301           1            1   100000000           
                         usbd300           1            1   100000000           
                         usbh2
0           3            3   100000000          0 

$ cat /sys/kernel/debug/usb/devices
<<system hangs>>



> 
> 
> [snip]
> 
> > 
> > 
> > There are two dwc3 ports in the SoC : one for Gbit Ethernet another
> > one for on-board GL3521 USB 3.0 hub controller.
> > 
> > 3.10.x kernel
> > odroid@odroid:~$ lsusb -t
> > /:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
> >     |__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 5000M
> > /:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
> > /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
> >     |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 5000M
> > /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
> >     |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 480M
> > /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=exynos-ohci/3p, 12M
> > /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=s5p-ehci/3p, 480M
> > 
> > 4.x kernel
> > odroid@odroid:~$ lsusb -t
> > /:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
> > /:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
> >     |__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 480M
> > /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
> >     |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 5000M
> >         |__ Port 1: Dev 3, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
> >         |__ Port 2: Dev 4, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
> > /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
> >     |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 480M
> > /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=exynos-ohci/3p, 12M
> > /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=exynos-ehci/3p, 480M
> 
> [snip]
> 
> Michael, please paste the output of lsusb -t and/or lsusb -v as well.


################################
# v4.7.5 lsusb -t
################################

/:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M             
    |__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 5000M   
/:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M              
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M             
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 5000M                    
        |__ Port 1: Dev 3, If 0, Class=Mass Storage, Driver=usb-storage, 5000M  
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M              
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 480M                     
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=exynos-ohci/3p, 12M            
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=exynos-ehci/3p, 480M 



################################
# v4.8.0 lsusb -t
################################

/:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M             
/:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M              
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M             
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M              
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=exynos-ohci/3p, 12M            
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=exynos-ehci/3p, 480M 


################################
# v4.7.5 lsusb -v
################################

Bus 006 Device 002: 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 000001000000                                        
  bNumConfigurations      2                                                     
  Configuration Descriptor:                                                     
    bLength                 9                                                   
    bDescriptorType         2                                                   
    wTotalLength           57                                                   
    bNumInterfaces          1                                                   
    bConfigurationValue     1                                                   
    iConfiguration          0                                                   
    bmAttributes         0xa0                                                   
      (Bus Powered)                                                             
      Remote Wakeup                                                             
    MaxPower               64mA                                                 
    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               64mA                                                 
    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 001E06321EFF                         
        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:     0x0010                                                       
  (Bus Powered)                                                                 
  Latency Tolerance Messaging (LTM) Enabled                                     
                                                                                
Bus 006 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            4.07                                                     
  iManufacturer           3 Linux 4.7.5+ xhci-hcd                               
  iProduct                2 xHCI Host Controller                                
  iSerial                 1 xhci-hcd.5.auto                                     
  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             1                                                       
  wHubCharacteristic 0x0009                                                     
    Per-port power switching                                                    
    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: 0000.0203 5Gbps power U0 enable connect                              
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           0 micro seconds                                     
    bU2DevExitLat           0 micro seconds                                     
Device Status:     0x0001                                                       
  Self Powered                                                                  
                                                                                
Bus 005 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            4.07                                                     
  iManufacturer           3 Linux 4.7.5+ xhci-hcd                               
  iProduct                2 xHCI Host Controller                                
  iSerial                 1 xhci-hcd.5.auto                                     
  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             1                                                       
  wHubCharacteristic 0x0009                                                     
    Per-port power switching                                                    
    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: 0000.0100 power                                                      
Device Status:     0x0001                                                       
  Self Powered                                                                  
                                                                                
Bus 004 Device 003: ID 1e68:008a TrekStor GmbH & Co. KG                         
Device Descriptor:                                                              
  bLength                18                                                     
  bDescriptorType         1                                                     
  bcdUSB               3.00                                                     
  bDeviceClass            0 (Defined at Interface level)                        
  bDeviceSubClass         0                                                     
  bDeviceProtocol         0                                                     
  bMaxPacketSize0         9                                                     
  idVendor           0x1e68 TrekStor GmbH & Co. KG                              
  idProduct          0x008a                                                     
  bcdDevice            1.00                                                     
  iManufacturer           2 TrekStor                                            
  iProduct                3 DS picco SSD                                        
  iSerial                 1 20151111311B                                        
  bNumConfigurations      1                                                     
  Configuration Descriptor:                                                     
    bLength                 9                                                   
    bDescriptorType         2                                                   
    wTotalLength          121                                                   
    bNumInterfaces          1                                                   
    bConfigurationValue     1                                                   
    iConfiguration          0                                                   
    bmAttributes         0xc0                                                   
      Self Powered                                                              
    MaxPower                0mA                                                 
    Interface Descriptor:                                                       
      bLength                 9                                                 
      bDescriptorType         4                                                 
      bInterfaceNumber        0                                                 
      bAlternateSetting       0                                                 
      bNumEndpoints           2                                                 
      bInterfaceClass         8 Mass Storage                                    
      bInterfaceSubClass      6 SCSI                                            
      bInterfaceProtocol     80 Bulk-Only                                       
      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              15                                               
      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              15                                               
    Interface Descriptor:                                                       
      bLength                 9                                                 
      bDescriptorType         4                                                 
      bInterfaceNumber        0                                                 
      bAlternateSetting       1                                                 
      bNumEndpoints           4                                                 
      bInterfaceClass         8 Mass Storage                                    
      bInterfaceSubClass      6 SCSI                                            
      bInterfaceProtocol     98                                                 
      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              15                                               
        MaxStreams             32                                               
        Data-in pipe (0x03)                                                     
      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              15                                               
        MaxStreams             32                                               
        Data-out pipe (0x04)                                                    
      Endpoint Descriptor:                                                      
        bLength                 7                                               
        bDescriptorType         5                                               
        bEndpointAddress     0x83  EP 3 IN                                      
        bmAttributes            2                                               
          Transfer Type            Bulk                                         
          Synch Type               None                                         
          Usage Type               Data                                         
        wMaxPacketSize     0x0400  1x 1024 bytes                                
        bInterval               0                                               
        bMaxBurst              15                                               
        MaxStreams             32                                               
        Status pipe (0x02)                                                      
      Endpoint Descriptor:                                                      
        bLength                 7                                               
        bDescriptorType         5                                               
        bEndpointAddress     0x04  EP 4 OUT                                     
        bmAttributes            2                                               
          Transfer Type            Bulk                                         
          Synch Type               None                                         
          Usage Type               Data                                         
        wMaxPacketSize     0x0400  1x 1024 bytes                                
        bInterval               0                                               
        bMaxBurst               0                                               
        Command pipe (0x01)                                                     
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   0x0000f41e                                                   
      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        2047 micro seconds                                     
Device Status:     0x0001                                                       
  Self Powered                                                                  
                                                                                
Bus 004 Device 002: ID 05e3:0616 Genesys Logic, Inc.                            
Device Descriptor:                                                              
  bLength                18                                                     
  bDescriptorType         1                                                     
  bcdUSB               3.00                                                     
  bDeviceClass            9 Hub                                                 
  bDeviceSubClass         0 Unused                                              
  bDeviceProtocol         3                                                     
  bMaxPacketSize0         9                                                     
  idVendor           0x05e3 Genesys Logic, Inc.                                 
  idProduct          0x0616                                                     
  bcdDevice           92.22                                                     
  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 0x0009                                                     
    Per-port power switching                                                    
    Per-port overcurrent protection                                             
  bPwrOn2PwrGood       50 * 2 milli seconds                                     
  bHubContrCurrent    576 milli Ampere                                          
  bHubDecLat          0.0 micro seconds                                         
  wHubDelay          1248 nano seconds                                          
  DeviceRemovable    0x00                                                       
 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             {f0564b9f-f61d-e011-ac64-0800200c9a66}              
Device Status:     0x0001                                                       
  Self Powered                                                                  
                                                                                
Bus 004 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            4.07                                                     
  iManufacturer           3 Linux 4.7.5+ xhci-hcd                               
  iProduct                2 xHCI Host Controller                                
  iSerial                 1 xhci-hcd.4.auto                                     
  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             1                                                       
  wHubCharacteristic 0x0009                                                     
    Per-port power switching                                                    
    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: 0000.0203 5Gbps power U0 enable connect                              
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           0 micro seconds                                     
    bU2DevExitLat           0 micro seconds                                     
Device Status:     0x0001                                                       
  Self Powered                                                                  
                                                                                
Bus 003 Device 002: ID 05e3:0610 Genesys Logic, Inc. 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           0x05e3 Genesys Logic, Inc.                                 
  idProduct          0x0610 4-port hub                                          
  bcdDevice           92.22                                                     
  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             2                                                       
  wHubCharacteristic 0x00e9                                                     
    Per-port power switching                                                    
    Per-port overcurrent protection                                             
    TT think time 32 FS bits                                                    
    Port indicators                                                             
  bPwrOn2PwrGood       50 * 2 milli seconds                                     
  bHubContrCurrent    100 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           8 micro seconds                                     
    bU2DevExitLat         190 micro seconds                                     
  Container ID Device Capability:                                               
    bLength                20                                                   
    bDescriptorType        16                                                   
    bDevCapabilityType      4                                                   
    bReserved               0                                                   
    ContainerID             {f0564b9f-f61d-e011-ac64-0800200c9a66}              
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            4.07                                                     
  iManufacturer           3 Linux 4.7.5+ xhci-hcd                               
  iProduct                2 xHCI Host Controller                                
  iSerial                 1 xhci-hcd.4.auto                                     
  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             1                                                       
  wHubCharacteristic 0x0009                                                     
    Per-port power switching                                                    
    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: 0000.0507 highspeed power suspend enable connect                     
Device Status:     0x0001                                                       
  Self Powered                                                                  
                                                                                
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub                  
Device Descriptor:                                                              
  bLength                18                                                     
  bDescriptorType         1                                                     
  bcdUSB               1.10                                                     
  bDeviceClass            9 Hub                                                 
  bDeviceSubClass         0 Unused                                              
  bDeviceProtocol         0 Full speed (or root) hub                            
  bMaxPacketSize0        64                                                     
  idVendor           0x1d6b Linux Foundation                                    
  idProduct          0x0001 1.1 root hub                                        
  bcdDevice            4.07                                                     
  iManufacturer           3 Linux 4.7.5+ ohci_hcd                               
  iProduct                2 USB Host Controller                                 
  iSerial                 1 12120000.usb:                                       
  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     0x0002  1x 2 bytes                                   
        bInterval             255                                               
Hub Descriptor:                                                                 
  bLength               9                                                       
  bDescriptorType      41                                                       
  nNbrPorts             3                                                       
  wHubCharacteristic 0x0002                                                     
    No power switching (usb 1.0)                                                
    Ganged overcurrent protection                                               
  bPwrOn2PwrGood        2 * 2 milli seconds                                     
  bHubContrCurrent      0 milli Ampere                                          
  DeviceRemovable    0x00                                                       
  PortPwrCtrlMask    0xff                                                       
 Hub Port Status:                                                               
   Port 1: 0000.0100 power                                                      
   Port 2: 0000.0100 power                                                      
   Port 3: 0000.0100 power                                                      
Device Status:     0x0001                                                       
  Self 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         0 Full speed (or root) hub                            
  bMaxPacketSize0        64                                                     
  idVendor           0x1d6b Linux Foundation                                    
  idProduct          0x0002 2.0 root hub                                        
  bcdDevice            4.07                                                     
  iManufacturer           3 Linux 4.7.5+ ehci_hcd                               
  iProduct                2 EHCI Host Controller                                
  iSerial                 1 12110000.usb:                                       
  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             3                                                       
  wHubCharacteristic 0x0009                                                     
    Per-port power switching                                                    
    Per-port overcurrent protection                                             
  bPwrOn2PwrGood       10 * 2 milli seconds                                     
  bHubContrCurrent      0 milli Ampere                                          
  DeviceRemovable    0x00                                                       
  PortPwrCtrlMask    0xff                                                       
 Hub Port Status:                                                               
   Port 1: 0000.0100 power                                                      
   Port 2: 0000.0100 power                                                      
   Port 3: 0000.0100 power                                                      
Device Status:     0x0001                                                       
  Self Powered                                                                  


################################
# v4.8.0 lsusb -v
################################

Bus 006 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            4.08                                                     
  iManufacturer           3 Linux 4.8.0+ xhci-hcd                               
  iProduct                2 xHCI Host Controller                                
  iSerial                 1 xhci-hcd.5.auto                                     
  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             1                                                       
  wHubCharacteristic 0x0009                                                     
    Per-port power switching                                                    
    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                                      
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           0 micro seconds                                     
    bU2DevExitLat           0 micro seconds                                     
Device Status:     0x0001                                                       
  Self Powered                                                                  
                                                                                
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

<< lsusb hangs here, system is completely blocked >>


> 
> 
> Best regards
> Vivek
> 


Best regards
Michael��.n��������+%������w��{.n�����{���)��jg��������ݢj����G�������j:+v���w�m������w�������h�����٥





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