[Bugme-new] [Bug 33312] New: USB Hubs don't works

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Fri Apr 15 08:13:59 PDT 2011


https://bugzilla.kernel.org/show_bug.cgi?id=33312

           Summary: USB Hubs don't works
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.38
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: USB
        AssignedTo: greg at kroah.com
        ReportedBy: batti3004 at gmail.com
        Regression: No


Usb hubs don't work in the kernel version 2.6.38.

The usb hub are detected but give the following error:

[ 3.180085] usb 1-2: device descriptor read/64, error - 71
[ 3.404042] usb 1-2: device descriptor read/64, error -71
[ 3.620050] usb 1-2: new full speed USB device using uhci_hcd and address 5
[ 4.028040] usb 1-2: device not accepting address 5, error -71
[ 4.140042] usb 1-2: new full speed USB device using uhci_hcd and address 6
[ 4.548040] usb 1-2: device not accepting address 6, error -71
[ 4.548116] hub 1-0:1.0: unable to enumerate USB device on port 2

Tested on a 4x port external usb hub. The problem showed up in kernel version
2.6.26. Usb hubs worked correctly before kernel version 2.6.26.

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