On Mon, 25 Jun 2018 11:59:02 +0200, Harald Schuster wrote: > > > Hi > We are not able to update our system. We are using USB codecs which > are working fine but they are using the snd_pcm_hw_prepare function. > The Problem only exists for the I2S codec in our system. When i > changed the buffer size in the asound.conf for the codec the problem > allready exists but it arise not so often because there is not so > often a underrun. Is there any hint where i could lock for the > problem?! Well, with that little information, it's hard to advice anything... Takashi > br Harald > > Zitat von Takashi Iwai <tiwai@xxxxxxx>: > > > On Fri, 22 Jun 2018 20:36:12 +0200, > > Harald Schuster wrote: > >> > >> > >> Zitat von Takashi Iwai <tiwai@xxxxxxx>: > >> > >> > 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@xxxxxxxxxxxxxxxx > >> > 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 > > _______________________________________________ > > Alsa-devel mailing list > > Alsa-devel@xxxxxxxxxxxxxxxx > > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > > > > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@xxxxxxxxxxxxxxxx > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
