From owner-freebsd-multimedia  Fri Aug 25  3:14: 9 2000
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Date: Fri, 25 Aug 2000 12:13:55 +0200
From: "Karel J. Bosschaart" <karelj@wop21.wop.wtb.tue.nl>
To: Tim Pozar <pozar@lns.com>
Cc: freebsd-multimedia@FreeBSD.ORG
Subject: Re: wedged /dev/dsp
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Reply-To: K.J.Bosschaart@tue.nl
References: <Pine.BSF.4.21.0008021144360.54823-100000@wit401305.student.utwente.nl> <20000802114325.1EEFD2010@nil.science-factory.com> <20000824212851.A57756@lns.com>
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In-Reply-To: <20000824212851.A57756@lns.com>; from pozar@lns.com on Thu, Aug 24, 2000 at 09:28:51PM -0700
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On Thu, Aug 24, 2000 at 09:28:51PM -0700, Tim Pozar wrote:
> After playing an MP3 stream for a couple of hours on my:
> 
> FreeBSD kumr.lns.com 4.1-STABLE FreeBSD 4.1-STABLE #2: Sat Aug 19 14:57:36 PDT 2000     root@kumr.lns.com:/usr/src/sys/compile/KUMR  i386
> 
> machine I get this error message:
> 
> Blocktype == 0 and window-switching == 1 not allowed.  
> 
> After which I can't use /dev/dsp again until I reboot.  mpg123 sez:
> 
> Can't open /dev/dsp! 
> 
> Just for the curious with "cat /dev/sndstat" I get...
> 
> FreeBSD Audio Driver (newpcm) Aug 18 2000 23:14:12
> Installed devices:
> pcm0: <SB DSP 4.16> at io 0x220 irq 5 drq 1:5 (1p/1r channels duplex) 
> 
> Any thoughts?
>
Do a 'top', probably you'll see the mp3 player consuming cpu - and also
occupying /dev/dsp. Kill it, and you'll be able to use /dev/dsp again. 
I have this problem occasionaly with mpg123 when playing a bunch of local
files, one of which having bad format or something. 

Karel. 


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