kern/129604: [sound] Sound stops with error: pcm0:virtual:dsp0.vp0: play interrupt timeout, channel dead

[Conrad J. Sabatier]

On Sun, 1 Apr 2012 06:30:18 GMT
Yuri <yuri at rawbw.com> wrote:

> The following reply was made to PR kern/129604; it has been noted by
> GNATS.
> 
> From: Yuri <yuri at rawbw.com>
> To: bug-followup at FreeBSD.org
> Cc: rjohns44 at comcast.net
> Subject: RE: kern/129604: [sound] Sound stops with error:
> pcm0:virtual:dsp0.vp0: play interrupt timeout, channel dead
> Date: Sat, 31 Mar 2012 23:21:55 -0700
> 
>  I just got this on 9.0 after reboot. Sound doesn't work at all.
>  $ dmesg | grep pcm
>  pcm0: <AudioPCI ES1370> irq 16 at device 0.0 on pci8
>  pcm0: es1370_wrcodec: timed out
>  pcm0: es1370_wrcodec: timed out
>  pcm0: es1370_wrcodec: timed out
>  pcm0: es1370_wrcodec: timed out
>  pcm0: <Playback: DAC1,DAC2 / Record: ADC>
>  pcm0: chn_write(): pcm0:play:dsp0.p1: play interrupt timeout,
> channel dead pcm0: es1370_wrcodec: timed out
>  pcm0: es1370_wrcodec: timed out
>  pcm0: es1370_wrcodec: timed out
>  pcm0: es1370_wrcodec: timed out
>  pcm0: es1370_wrcodec: timed out

I've been seeing this intermittently for a very long time.  I've
reported it and have received a patch from the sound maintainer, but it
still occurs every so often nonetheless.

This is a long-standing bugaboo that has yet to be fully resolved.

-- 
Conrad J. Sabatier
conrads at cox.net