Bug#583082: kernel: khubd crash

[Ben Hutchings <ben@decadent.org.uk>]

On Tue, May 25, 2010 at 12:04:36PM +0300, Gabriel VLASIU wrote:
> 09:57:32 mailq kernel: [ 1008.246110] INFO: task khubd:124 blocked for more than 120 seconds.
> 09:57:32 mailq kernel: [ 1008.246832] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> 09:57:32 mailq kernel: [ 1008.247678] khubd         D 00000000005d88a4     0   124      2
> 09:57:32 mailq kernel: [ 1008.247784] Call Trace:
> 09:57:32 mailq kernel: [ 1008.247837]  [00000000005d7dac] usb_kill_urb+0xb8/0xf0
> 09:57:32 mailq kernel: [ 1008.247968]  [00000000005d88a4] usb_start_wait_urb+0x6c/0xa8
> 09:57:32 mailq kernel: [ 1008.248096]  [00000000005d8abc] usb_control_msg+0xd8/0xf4
> 09:57:32 mailq kernel: [ 1008.248219]  [00000000005d371c] hub_port_init+0x284/0x678
> 09:57:32 mailq kernel: [ 1008.248335]  [00000000005d4bc8] hub_thread+0x64c/0xca0
> 09:57:32 mailq kernel: [ 1008.248447]  [0000000000469490] kthread+0x4c/0x78
> 09:57:32 mailq kernel: [ 1008.248557]  [0000000000426df8] kernel_thread+0x38/0x48
> 09:57:32 mailq kernel: [ 1008.248665]  [0000000000469328] kthreadd+0x98/0x11c
> 
> In 2 out of 3 times I cannot use the system after this and a hard reset has to be done.
 
We need more information than this.  What USB devices and drivers are you
using?  (lsusb, lsmod)

Ben.

-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus