Fatal trap 12: page fault while in kernel mode

Gavin Atkinson gavin at FreeBSD.org
Mon Sep 7 14:10:16 UTC 2009

On Sun, 2009-09-06 at 13:46 +0400, Alex Keda wrote:
> hi!
> I have fatal trap with today (and yesterday) current.
> Machine boot, I see:
> Timecounters tick every 1.000 msec
> then, it freese ~30 seconds and go to kernel debugger - fatal trap 12
> stopped at _mtx_lock_spin_failed+0x2f: movl 0x78(%r12),%r8d

At the debugger prompt, can you give the "bt" command, and show us what
the output is please?


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