Date: Mon, 20 Jan 2003 22:45:03 -0800 From: Juli Mallett <jmallett@FreeBSD.org> To: Cameron Grant <cg@FreeBSD.org>, current@FreeBSD.org Subject: pcm panic (dsp_write nonbusy channel) Message-ID: <20030120224503.A1437@FreeBSD.org>
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lock order reversal 1st 0xc12602c0 pcm0:play:0 (pcm channel) @ ../../../dev/sound/pcm/sound.c:191 2nd 0xc1260440 pcm0 (sound cdev) @ ../../../dev/sound/pcm/sound.c:163 acquiring duplicate lock of same type: "pcm channel" 1st pcm0:record:0 @ ../../../dev/sound/pcm/dsp.c:328 2nd pcm0:play:0 @ ../../../dev/sound/pcm/dsp.c:335 Expensive timeout(9) function: 0xc0244c80(0xc0a06e00) 0.001034076 Expensive timeout(9) function: 0xc024da60(0) 0.001427603 panic: dsp_write: nonbusy channel Bt: #13 0xc01d61c1 in dsp_write () #14 0xc0200911 in spec_write () #15 0xc0200313 in spec_vnoperate () #16 0xc0292d27 in vn_write () #17 0xc025ed74 in dofilewrite () #18 0xc025ec1b in write () #19 0xc0347d52 in syscall () #20 0xc03393ed in Xint0x80_syscall () At the time I was listening to an mp3 in a loop. -- Juli Mallett <jmallett@FreeBSD.org> AIM: BSDFlata -- IRC: juli on EFnet. OpenDarwin, Mono, FreeBSD Developer. ircd-hybrid Developer, EFnet addict. FreeBSD on MIPS-Anything on FreeBSD. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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