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 <j...@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 j...@wadsworth.org | > | Wadsworth Center - ESP | > | P. O. Box 509 518 486-7829 | > | Albany, NY 12201-0509 | > ------------------------------------------------------------------------ > > > IMPORTANT NOTICE: This e-mail and any attachments may contain > confidential or sensitive information which is, or may be, legally > privileged or otherwise protected by law from further disclosure. It > is intended only for the addressee. If you received this in error or > from someone who was not authorized to send it to you, please do not > distribute, copy or use it or any attachments. Please notify the > sender immediately by reply e-mail and delete this from your > system. Thank you for your cooperation. > > > > -- > To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org > with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org > Archive: http://lists.debian.org/201105131249.01619.j...@wadsworth.org > > -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/banlktimedadqu70_l6g3+e8kmj1afh8...@mail.gmail.com
