kern/63630: panic: _mtx_lock_sleep: recursed on non_recursive mutex sbc ....

Kris Kennaway kris at obsecurity.org
Sat Mar 6 01:00:40 PST 2004


The following reply was made to PR kern/63630; it has been noted by GNATS.

From: Kris Kennaway <kris at obsecurity.org>
To: Chris England <cengland at obscurity.org>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: kern/63630: panic: _mtx_lock_sleep: recursed on non_recursive mutex sbc ....
Date: Sat, 6 Mar 2004 00:55:22 -0800

 On Mon, Mar 01, 2004 at 10:33:41PM -0800, Chris England wrote:
 
 > FreeBSD eternal.stabs.org 5.2-CURRENT FreeBSD 5.2-CURRENT #0: Mon Mar  1 20:51:26 PST 2004     stab at eternal.stabs.org:/usr/src/sys/i386/compile/GENERIC  i386
 > 
 > >Description:
 > Using 'device pcm' and 'device sbc' in kernel, or loading snd_pcm/snd_sb16 modules results in kernel panic when sound is played:
 > 
 > panic: _mtx_lock_sleep: recursed on non_recursive mutex sbc @ ../../../dev/sound
 > /isa/sbc.c:131
 > at line 436 in file ../../../kern/kern_mutex.c
 > Stopped at Debugger+0x45: xchgl %ebx, in_Debugger.0
 
 Have you raised this on the mailing list?  Bug reports in -CURRENT
 should usually only be entered as PRs if you can't solve the problem
 there first.
 
 Kris


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