linux-kernel - Re: [SOUND] SBx00 sound card using snd_hda_codec

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Message-ID: <s5h39nwdk4u.wl%tiwai@suse.de>
Date:	Thu, 10 Feb 2011 15:44:33 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Wang Lei <f3d27b@...il.com>
Cc:	linux-kernel@...r.kernel.org, Jaroslav Kysela <perex@...ex.cz>
Subject: Re: [SOUND] SBx00 sound card using snd_hda_codec_analog auto mutes

At Thu, 10 Feb 2011 20:49:51 +0800,
Wang Lei wrote:
> 
> On my laptop, the sound card auto mutes some seconds after i enable it.
> And play a audio file can't make sound. This is not a powersave feature,
> because i haven't enable it. I guess it's a driver problem. It occurs
> since 2.6.36.X. Please help.

Then a possible cause would be the badly working interrupts.
Or, I remember vaguely some reports mentioning conflicts with radeon
driver.

Anyway, try to reproduce without the graphic interface first.

Also, try to pass enable_msi=0 or 1.  AMD controllers tend to unstable
regarding MSI.


HTH,

Takashi
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