Date: Wed, 14 Apr 2010 08:08:42 +0200
Message-ID: <s5h633u5zx1.wl%tiwai@suse.de>
From: Takashi Iwai <tiwai@suse.de>
To: =?UTF-8?B?w4lyaWM=?= Piel <Eric.Piel@tremplin-utc.net>
Cc: Jaroslav Kysela <perex@perex.cz>, "Rafael J. Wysocki" <rjw@sisk.pl>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       alsa-devel@alsa-project.org
Subject: Re: [REGRESSION bisected] Sound goes too fast due to commit 7b3a177b0
In-Reply-To: <4BC4E812.6050602@tremplin-utc.net>
References: <4BC4E812.6050602@tremplin-utc.net>
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At Tue, 13 Apr 2010 23:54:26 +0200,
Éric Piel wrote:
> 
> Hello,
> 
> Since 2.6.34-rc*, I have a regression on alsa which prevents the sound
> to be played correctly. When playing, the music goes too fast, skipping
> some parts. Typically, it's very easy to reproduce by doing:
> time mplayer -endpos 30 sound-file-which-lasts-more-than-thirty-sec.mp3
> 
> If the wall clock is less than 30s, you have the bug. With my intel-hda
> (AD1981), it's reliably reproducible: it gives ~27s, instead of the
> normal ~31s.
> 
> After bisection, it turns out that it is commit
> 7b3a177b0d4f92b3431b8dca777313a07533a710, aka "ALSA: pcm_lib: fix
> "something must be really wrong" condition" which caused this
> regression. Reverting it on top of 2.6.34-rc3+ fixes the problem.

What happens if you pass position_fix=1 option to snd-hda-intel?
Is it via PulseAudio or other backend?


thanks,

Takashi
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