Re: usb error?

[Burhan Hanoglu <burhanoglu@gmail.com>]

Looks like a kernel bug:

https://bugzilla.kernel.org/show_bug.cgi?id=13316

Regards,
Burhan

On Fri, May 13, 2011 at 12:49 PM, Christopher Judd <judd@wadsworth.org> wrote:
> I sometime get error messages like the one below; it usually repeats.  When
> this happens, I can not mount a usb thumb drive.  The only way that I have
> found to correct this condition is to reboot.  Does anyone have an idea as to
> what is going on, or how to investigate further?
>
> -Chris
>
>
> [65040.324251] INFO: task khubd:574 blocked for more than 120 seconds.
> [65040.324255] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
> this message.
> [65040.324258] khubd           D ffff88007b813cc0     0   574      2 0x00000000
> [65040.324263]  ffff88007b813cc0 0000000000000046 ffffffff00000000 ffff88007d374a40
> [65040.324267]  0000000000013700 ffff88007bee1fd8 ffff88007bee1fd8
> 0000000000013700
> [65040.324271]  ffff88007b813cc0 ffff88007bee0010 0000000000000282
> 0000000174e82cc0
> [65040.324275] Call Trace:
> [65040.324298]  [<ffffffffa0164a53>] ? usb_kill_urb+0x9d/0xbb [usbcore]
> [65040.324303]  [<ffffffff8106033d>] ? autoremove_wake_function+0x0/0x2a
> [65040.324311]  [<ffffffffa01658e8>] ? usb_start_wait_urb+0x80/0xbf [usbcore]
> [65040.324319]  [<ffffffffa0165b48>] ? usb_control_msg+0xda/0x101 [usbcore]
> [65040.324325]  [<ffffffffa015fcea>] ? hub_port_init+0x219/0x607 [usbcore]
> [65040.324332]  [<ffffffffa015fe6a>] ? hub_port_init+0x399/0x607 [usbcore]
> [65040.324337]  [<ffffffff812451ce>] ? pm_runtime_set_autosuspend_delay+0x37/0x49
> [65040.324343]  [<ffffffffa0161770>] ? hub_thread+0x786/0xe09 [usbcore]
> [65040.324347]  [<ffffffff8106033d>] ? autoremove_wake_function+0x0/0x2a
> [65040.324353]  [<ffffffffa0160fea>] ? hub_thread+0x0/0xe09 [usbcore]
> [65040.324359]  [<ffffffffa0160fea>] ? hub_thread+0x0/0xe09 [usbcore]
> [65040.324363]  [<ffffffff8105fef7>] ? kthread+0x7a/0x82
> [65040.324367]  [<ffffffff8100a764>] ? kernel_thread_helper+0x4/0x10
> [65040.324370]  [<ffffffff8105fe7d>] ? kthread+0x0/0x82
> [65040.324373]  [<ffffffff8100a760>] ? kernel_thread_helper+0x0/0x10
>
> ------------------------------------------------------------------------
> |   Christopher Judd, Ph. D.                                           |
> |   Research Scientist III                                             |
> |   NYS Dept. of Health                           judd@wadsworth.org   |
> |   Wadsworth Center - ESP                                             |
> |   P. O. Box 509                                    518 486-7829      |
> |   Albany, NY 12201-0509                                              |
> ------------------------------------------------------------------------
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