Re: 2.5.5-pre1: Deadlocks and ALSA driver problems

From: Jaroslav Kysela (perex@suse.cz)
Date: Fri Feb 15 2002 - 07:12:55 EST

On Fri, 15 Feb 2002, Jos Hulzink wrote:

> Hi,
>
> Still fighting with the debug tools (I'm new to kernel debugging), but
> maybe this info is useful to others:
>
> 2.5.5-pre1 deadlocked completely about 7 times in 40 minutes. The Magic
> SysRq key didn't work anymore. Don't know if it is related, but after I
> recompiled the ALSA driver as modules, the system was stable for about 4
> hours. (With ALSA modules loaded, playing music, and I rebooted it myself
> afterwards.)
>
> Besides: the ALSA /proc interface is terribly broken, any cat
> /proc/asound/... results in a no such device error. The ALSA /dev entries
> return the same errors while opening them, but the OSS emulation layer
> works fine.

Attached patch for linux/sound/core/info.c fixes the problem with /proc
entries.

                                                Jaroslav

-----
Jaroslav Kysela <perex@suse.cz>
Linux Kernel Sound Maintainer
ALSA Project http://www.alsa-project.org
SuSE Linux http://www.suse.com


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This archive was generated by hypermail 2b29 : Fri Feb 15 2002 - 21:01:07 EST