Re: xhci_hcd fails USB2.0 camera that worked on ehci_hcd

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I am told by camera manufacturers that a first version of the Windows drivers 
also had such problems with their camera, but that it was fixed in subsequent 
Windows drivers of xHCI.

I reattach the same ehci lsusb.txt.


On Tuesday 18 December 2012 16:19:18 Sarah Sharp wrote:
> On Tue, Dec 18, 2012 at 01:13:05AM -0500, Marius Silaghi wrote:
> 
> Hi Marius, thanks for reporting this.
> 
> > My USB2.0 cameras are enumerated fine on ehci systems. But not on my new
> > Ubuntu 12.10:
> > $uname -a
> > Linux VAIO 3.5.0-18-generic #29-Ubuntu SMP Fri Oct 19 10:26:51 UTC 2012
> > x86_64 x86_64 x86_64 GNU/Linux
> > 
> > here xhci_hcd is compiled in the kernel, and the device is not enumerated.
> > I tried unbinding xhci using the sysfs and the messages dissapear, but
> > ehci does not take over. Any idea?
> 
> Most xHCI host controllers don't share ports with the EHCI controller,
> so unbinding the xHCI driver doesn't switch the ports over.  Even on the
> Intel xHCI hosts that can switch ports between the xHCI host and the
> EHCI host, we don't switch the ports back on xHCI driver unload.
> 
> > [12241.536789] usb 3-1: new high-speed USB device number 8 using xhci_hcd
> > [12241.553375] usb 3-1: device descriptor read/8, error -75
> > [12241.673302] usb 3-1: device descriptor read/8, error -75
> > [12241.888420] usb 3-1: new high-speed USB device number 9 using xhci_hcd
> > [12241.905029] usb 3-1: device descriptor read/8, error -75
> > [12242.024764] usb 3-1: device descriptor read/8, error -75
> > [12242.240032] usb 3-1: new high-speed USB device number 10 using xhci_hcd
> > [12242.256595] usb 3-1: device descriptor read/8, error -75
> > [12242.376524] usb 3-1: device descriptor read/8, error -75
> > [12242.591580] usb 3-1: new high-speed USB device number 11 using xhci_hcd
> > [12242.608170] usb 3-1: device descriptor read/8, error -75
> > [12242.727987] usb 3-1: device descriptor read/8, error -75
> > [12242.831348] hub 3-0:1.0: unable to enumerate USB device on port 1
> 
> Can you recompile your kernel with CONFIG_USB_DEBUG and
> CONFIG_USB_XHCI_HCD_DEBUGGING turned on?  If you need instructions,
> please follow the directions for compiling the latest stable kernel
> here: http://kernelnewbies.org/KernelBuild
> 
> Then send me the dmesg output from just before you plugged in the
> device.  Please also send me the output of `sudo lsusb -v` with the
> device plugged into a system with an EHCI controller.
> 
> However, I will say that at a quick glance, it looks like your hardware
> may have electrical issues under the xHCI host controller.  The -75
> error code is for EOVERFLOW, which means your device "babbled" on a
> transfer.  There's not much software can do about electrical issues, if
> that is the true root cause.
> 
> Sarah Sharp
> --
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Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
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  idVendor           0x1d6b Linux Foundation
  idProduct          0x0002 2.0 root hub
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      Self Powered
      Remote Wakeup
    MaxPower                0mA
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      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
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      Endpoint Descriptor:
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        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12

Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
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  bcdUSB               2.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
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  idVendor           0x1d6b Linux Foundation
  idProduct          0x0002 2.0 root hub
  bcdDevice            3.02
  iManufacturer           3 
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  Configuration Descriptor:
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Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Device Descriptor:
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  bDeviceSubClass         0 Unused
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  idVendor           0x8087 Intel Corp.
  idProduct          0x0020 Integrated Rate Matching Hub
  bcdDevice            0.00
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Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Device Descriptor:
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  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         1 Single TT
  bMaxPacketSize0        64
  idVendor           0x8087 Intel Corp.
  idProduct          0x0020 Integrated Rate Matching Hub
  bcdDevice            0.00
  iManufacturer           0 
  iProduct                0 
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
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    bDescriptorType         2
    wTotalLength           25
    bNumInterfaces          1
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    bmAttributes         0xe0
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      Remote Wakeup
    MaxPower                0mA
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      bDescriptorType         4
      bInterfaceNumber        0
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      bInterfaceClass         9 Hub
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Bus 001 Device 003: ID 03f0:231d Hewlett-Packard 
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  idProduct          0x231d 
  bcdDevice            3.06
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  iProduct                2 
  iSerial                 0 
  bNumConfigurations      1
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      Remote Wakeup
    MaxPower                0mA
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      bInterfaceProtocol      1 Bluetooth
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      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
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      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
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      bInterfaceClass       224 Wireless
      bInterfaceSubClass      1 Radio Frequency
      bInterfaceProtocol      1 Bluetooth
      iInterface              0 
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      bInterfaceSubClass      1 Device Firmware Update
      bInterfaceProtocol      1 
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          Will Not Detach
          Manifestation Tolerant
          Upload Supported
          Download Supported
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        wTransferSize                      64 bytes

Bus 002 Device 003: ID 064e:f203 Suyin Corp. 
Device Descriptor:
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  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 ?
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x064e Suyin Corp.
  idProduct          0xf203 
  bcdDevice            2.11
  iManufacturer           1 
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      (Bus Powered)
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          Still image unsupported
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        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       5
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x1300  3x 768 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       6
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x1400  3x 1024 bytes
        bInterval               1

Bus 002 Device 004: ID 1421:0610  
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          255 Vendor Specific Class
  bDeviceSubClass         0 
  bDeviceProtocol       255 
  bMaxPacketSize0        64
  idVendor           0x1421 
  idProduct          0x0610 
  bcdDevice            0.01
  iManufacturer           1 
  iProduct                2 
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           32
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0 
      bInterfaceProtocol    255 
      iInterface              4 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               6
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0

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