[alsa-devel] [snd_via82xx] EAGAIN on snd_pcm_prepare after EPIPE on mmap_commit
tiwai at suse.de
Thu Jul 23 17:37:37 CEST 2009
At Thu, 23 Jul 2009 17:21:44 +0200,
> Hello !
> I am encountering some issues with pulseaudio : after some time and
> for no evident reason PA stops routing the sound.
> That's what I get with $pulseaudio -vvv :
> http://pastebin.mandriva.com/13648 (got from a 18.104.22.168_mdv kernel)
> running $pacmd list-sinks when stuck gives :
> Our pulseaudio integrator Colin Guthrie concluded :
> "OK, so what is happening is that some alsa level problem is occurring
> (due to mmap). Pulse tries to recover from this but cannot. The alsa
> sink (and the whole card) is subsequently unloaded due to this fatal
> And now.. a quick paste from irc :
> "[00:44:20] <coling> Jul 22 14:04:29 <mezcalero> coling: driver
> issue i am pretty sure
> [00:44:20] <coling> Jul 22 14:04:33 <mezcalero> i saw that before once
> [00:44:20] <coling> Jul 22 14:04:55 <mezcalero> coling: i.e.
> EAGAIN on snd_pcm_prepare after EPIPE on mmap_commit
This is odd. EAGAIN is returned only at open, read/write and drain
Could you track with strace?
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