usb error?
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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