callout_reset page fault panic

John Baldwin jhb at freebsd.org
Wed May 24 12:57:12 PDT 2006


On Saturday 20 May 2006 09:22, Pawel Worach wrote:
> One day old CURRENT, i368 UP. Died while installing some ports and 
> running mplayer. vmcore and kernel available (minidumps kick ass!).
> 
> Unread portion of the kernel message buffer:
> kernel trap 12 with interrupts disabled

I think the previous 'struct callout' on the callout wheel
is unmapped, maybe a kernel module was unloaded and it forgot
to do a callout_stop() or callout_drain() or somehow did a
callout_reset() after doing the stop() or drain()?

-- 
John Baldwin


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