Re: alsa broken after mpg123 segfaults

From: Andy Baxter (news2_at_earthsong.null.free-online.co.uk)
Date: 10/09/03 

Date: Wed, 08 Oct 2003 23:46:02 +0100

Darren Salt wrote:

> I demand that Andy Baxter may or may not have written...
>
>> I've just compiled a new (2.4.22) kernel, and recompiled alsa against it.
>> When I boot up and then use aplay to play a wav file, everything works
>> OK, but if I use mpg123 to try to play an mp3 file, mpg123 segfaults and
>> then the sound system won't work at all. I can't remove the sound modules
>> using rmmod or modprobe -r, [...]
>
> 0.9.6 works well here, although you might want to upgrade to 0.9.7a if
> you're using 0.9.7 - apparently there were some bugs in the OSS PCM code.

It's version 0.9.4. If I can't get it working, I'll try upgrading.

> (I presume that you've built the modules using the correct kernel
> headers...)

I symlinked /usr/src/linux to the top of the relevant kernel source tree,
and it seemed happy to compile that way.

>> because it says device or resource busy, but fuser on /dev/dsp and
>> /dev/snd/* returns nothing. [...]
>
> You probably have an instance of mpg123 stuck in state D. This kind of
> thing used to happen here with the emu10k1 MIDI support; rebooting is
> required.

What does state 'D' mean? I checked, and there is no mpg123 process running
in 'ps ax'.

andy. 

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