Date: Mon, 20 Oct 2003 19:15:19 +0200 From: Paolo Pisati <flag@oltrelinux.com> To: current@freebsd.org Subject: pcm & exclusive sleep mutex with Oct19 CURRENT Message-ID: <20031020171519.GA40589@southcross.skynet.org>
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from my dmesg: [snip] pcm0: <ESS Technology Allegro-1> port 0xb800-0xb8ff irq 5 at device 1.0 on pci2 pcm0: failed to enable memory mapping! pcm0: <ESS Technology ES1988 AC97 Codec> malloc() of "64" with the following non-sleepable locks held: exclusive sleep mutex pcm0:mixer (pcm mixer) r = 0 (0xc2d34540) locked @ /usr/src/sys/dev/sound/pcm/mixer.c:322 malloc() of "16" with the following non-sleepable locks held: exclusive sleep mutex pcm0:mixer (pcm mixer) r = 0 (0xc2d34540) locked @ /usr/src/sys/dev/sound/pcm/mixer.c:322 malloc() of "16" with the following non-sleepable locks held: exclusive sleep mutex pcm0:mixer (pcm mixer) r = 0 (0xc2d34540) locked @ /usr/src/sys/dev/sound/pcm/mixer.c:322 malloc() of "16" with the following non-sleepable locks held: exclusive sleep mutex pcm0:mixer (pcm mixer) r = 0 (0xc2d34540) locked @ /usr/src/sys/dev/sound/pcm/mixer.c:322 malloc() of "64" with the following non-sleepable locks held: exclusive sleep mutex pcm0:mixer (pcm mixer) r = 0 (0xc2d34540) locked @ /usr/src/sys/dev/sound/pcm/mixer.c:322 malloc() of "16" with the following non-sleepable locks held: exclusive sleep mutex pcm0:mixer (pcm mixer) r = 0 (0xc2d34540) locked @ /usr/src/sys/dev/sound/pcm/mixer.c:322 malloc() of "16" with the following non-sleepable locks held: exclusive sleep mutex pcm0:mixer (pcm mixer) r = 0 (0xc2d34540) locked @ /usr/src/sys/dev/sound/pcm/mixer.c:322 malloc() of "16" with the following non-sleepable locks held: exclusive sleep mutex pcm0:mixer (pcm mixer) r = 0 (0xc2d34540) locked @ /usr/src/sys/dev/sound/pcm/mixer.c:322 [snip] and later today i got even this: acquiring duplicate lock of same type: "pcm channel" 1st pcm0:record:0 @ /usr/src/sys/dev/sound/pcm/sound.c:195 2nd pcm0:play:0 @ /usr/src/sys/dev/sound/pcm/sound.c:195 Stack backtrace: with no backtrace at all. [flag@southcross flag]$ uname -a FreeBSD southcross.skynet.org 5.1-CURRENT FreeBSD 5.1-CURRENT #0: Sun Oct 19 12:07:09 CEST 2003 root@southcross.skynet.org:/usr/obj/usr/src/sys/SOUTHCROSS i386 [flag@southcross flag]$ -- Paolo Italian FreeBSD User Group: http://www.gufi.org
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