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Date: Tue, 4 Aug 2009 11:56:48 +0200
From: Juergen Unger <lists@jpru.de>
To: Pawel Jakub Dawidek <pjd@FreeBSD.org>
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Cc: freebsd-fs@FreeBSD.org, "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de>,
	freebsd-current@FreeBSD.org, spambox@haruhiism.net,
	Andriy Gapon <avg@icyb.net.ua>
Subject: Re: zfs: Fatal trap 12: page fault while in kernel mode
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On Tue, Aug 04, 2009 at 11:49:50AM +0200, Pawel Jakub Dawidek wrote:
> > testbox# sysctl debug.kdb.enter=1
> > KDB: enter: sysctl debug.kdb.enter
> > [thread pid 11635 tid 100472 ]
> > Stopped at      kdb_enter+0x3a: movl    $0,kdb_why
> > db> show lock 0x87aac290
> >  class: sx
> >  name: dp->dp_config_rwlock
> >  state: XLOCK: 0x879e8480 (tid 100130, pid 172, "txg_thread_enter")
> >  waiters: shared
> > db> 
> 
> Could you also try something like the following from DDB:
> 
> 	x/bx 0x879ad8a0,52

db> x/bx 0x879ad8a0,52
0x879ad8a0:     82  1a  4b  87  0   0   71  2   0   0   0   0   0   0   0   0
0x879ad8b0:     1   0   0   0   91  1a  4b  87  4   0   0   0   40  92  cb  87
0x879ad8c0:     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
0x879ad8d0:     0   0   0   0   9   1f  4b  87  0   0   71  2   0   0   0   0
0x879ad8e0:     0   0   0   0   40  92  cb  87  e8  0   0   0   c8  0   0   0
0x879ad8f0:     a8  bb
db>


 -Juergen-

-- 
ENOSIG