Date: Sat, 15 Jun 2002 13:34:11 -0400 (EDT) From: Evan Sarmiento <evms@cs.bu.edu> To: hackers@freebsd.org Subject: CHN_LOCK() Message-ID: <200206151734.g5FHYBs26505@csa.bu.edu>
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I keep on getting debug messages like this, both at startup and right before any sound plays: Jun 14 23:44:38 teqnix kernel: /usr/src/sys/vm/uma_core.c:1327: could sleep with "pcm0:play:0" locked from /usr/src/sys/dev/sound/pcm/dsp.c:713 heyeh, Jun 14 23:44:38 teqnix kernel: /usr/src/sys/vm/uma_core.c:1327: could sleep with "pcm0:play:0" locked from /usr/src/sys/dev/sound/pcm/dsp.c:713 Jun 14 23:44:38 teqnix kernel: /usr/src/sys/vm/uma_core.c:1327: could sleep with "pcm0:play:0" locked from /usr/src/sys/dev/sound/pcm/dsp.c:713 Jun 14 23:44:38 teqnix kernel: /usr/se.c:1327: could sleep with "pcm0:play:0" lo cked from /usr/src/sys/dev/sound/pcm/dsp.c:713 Jun 14 23:44:38 teqnix kernel: /usr/src/sys/vm/uma_core.c:1327: could sleep with "pcm0:play:0" locked from /usr/src/sys/dev/sound/pcm/dsp.c:713 Jun 14 23:44:38 teqnix kernel: /usr/src/sys/vm/uma_core.c:1327: could sleep with "pcm0:play:0" locked from /usr/src/sys/dev/sound/pcm/dsp.c:713 To avoid this, I was wondering if I could change CHN_LOCK() to use spin locks instead of sleeping mutex locks? Of course I would make it so that mtx_init has RECURS.. would this work? - Evan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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