Date: Mon, 1 Mar 2004 22:33:41 -0800 (PST) From: Chris England <cengland@obscurity.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/63630: panic: _mtx_lock_sleep: recursed on non_recursive mutex sbc .... Message-ID: <200403020633.i226Xfsd074433@www.freebsd.org> Resent-Message-ID: <200403020640.i226eJNG040465@freefall.freebsd.org>
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>Number: 63630 >Category: kern >Synopsis: panic: _mtx_lock_sleep: recursed on non_recursive mutex sbc .... >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Mar 01 22:40:19 PST 2004 >Closed-Date: >Last-Modified: >Originator: Chris England >Release: FreeBSD 5.2-CURRENT >Organization: >Environment: FreeBSD eternal.stabs.org 5.2-CURRENT FreeBSD 5.2-CURRENT #0: Mon Mar 1 20:51:26 PST 2004 stab@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 dmesg: sbc0: <SoundBlaster 16> at port 0x220-0x22f irq 5 drq 1 flags 0x15 on isa0 pcm0: <SB16 DSP 4.13> on sbc0 device.hints: hint.sbc.0.at="isa" hint.sbc.0.irq="5" hint.sbc.0.port="0x220" hint.sbc.0.drq="1" hint.sbc.0.flags="0x15" Last cvsup to -CURRENT was done on March 1st @ 12PM PST. >How-To-Repeat: Play a sound with the configuration mentioned. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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