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From: Gavin Atkinson <gavin@FreeBSD.org>
To: Alex Keda <admin@lissyara.su>
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Date: Mon, 07 Sep 2009 15:10:12 +0100
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Cc: freebsd-current <freebsd-current@FreeBSD.org>
Subject: Re: Fatal trap 12: page fault while in kernel mode
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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?

Gavin