Marius Silaghi, thank you for taking the time to report this bug and helping to
make Ubuntu better. Please execute the following command, as it will
automatically gather debugging information, in a terminal:
apport-collect 1091532
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** Changed in: linux-lts-quantal (Ubuntu)
Importance: Undecided => Low
** Changed in: linux-lts-quantal (Ubuntu)
Status: Confirmed => Incomplete
** Package changed: linux-lts-quantal (Ubuntu) => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1091532
Title:
Usb device not enumerated by xhci, working on older systems
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
My USB2.0 cameras are enumerated fine on ehci systems (older Ubuntus). 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?
[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
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