[alsa-devel] poll blocked after prepare state

[Takashi Iwai]

On Fri, 22 Jun 2018 20:36:12 +0200,
Harald Schuster wrote:
> 
> 
> Zitat von Takashi Iwai <tiwai at suse.de>:
> 
> > On Fri, 22 Jun 2018 15:29:21 +0200,
> > Harald Schuster wrote:
> >>
> >> I found out that an underrun occours and so the pcm_prepare function
> >> for pcm_direct is called and then pcm_start_dshare is called. Both
> >> functions returns without any error but the playback path is blocked
> >> in the snd_pcm_wait_nocheck function. I read that there was an similar
> >> problem before in the group but i didn't found any solution. Is this a
> >> problem in the driver and how can i go forward to fix it. The codec is
> >> a tlv320aic3x-audio. Thanks for your help.
> >
> > Does this happen with the very latest alsa-lib git version?
> > Just to be sure.
> >
> >
> > Takashi
> > _______________________________________________
> > Alsa-devel mailing list
> > Alsa-devel at alsa-project.org
> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> 
> Hi
> We are using k4.1.15-6QP+ga2066af.

I'm asking the alsa-lib, not kernel.

And 4.1.x is very old...  Please check either 4.17.x or latest Linus
tree whether the problem persists, too.


Takashi