From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: poll blocked after prepare state Date: Sun, 24 Jun 2018 17:58:11 +0200 Message-ID: References: <20180621104224.Horde.WJU_RKtLDLoAGMPfW3FREnA@webmail.technikum-wien.at> <20180622132921.Horde.VdiLUhoIz-J3ymTOC0qkzL5@webmail.technikum-wien.at> <20180622183612.Horde.zlSuz13lBOQlZHX62qPNxF5@webmail.technikum-wien.at> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id 03F812676D7 for ; Sun, 24 Jun 2018 17:58:12 +0200 (CEST) In-Reply-To: <20180622183612.Horde.zlSuz13lBOQlZHX62qPNxF5@webmail.technikum-wien.at> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Harald Schuster Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On Fri, 22 Jun 2018 20:36:12 +0200, Harald Schuster wrote: > > > Zitat von Takashi Iwai : > > > 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@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