linux-kernel - Re: [2.6.33-rc1] [SOUND] HDA: high cpu usage, noise

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Date:	Mon, 21 Dec 2009 19:12:34 +0100
From:	Maciej Rutecki <maciej.rutecki@...il.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	alsa-devel@...a-project.org, perex@...ex.cz,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [2.6.33-rc1] [SOUND] HDA: high cpu usage, noise

2009/12/21 Takashi Iwai <tiwai@...e.de>:
> At Sun, 20 Dec 2009 18:27:45 +0100,
> Maciej Rutecki wrote:
>>
>> Hi
>>
>> Affected kernel: 2.6.33-rc1
>> Last known good: 2.6.32
>
> The only fundamental change, AFAIK, is the use of MSI as default.
> Could you try to add enable_msi=0 option to snd-hda-intel?
>

root@...is:/# cat /sys/module/snd_hda_intel/parameters/enable_msi
0

Still the same:
ps aux:

root      1117 27.4  0.0      0     0 ?        S    19:00   2:05 [hd-audio0]

I also notice short sound during booting system, when sound modules is
loading.  I can try bisection, but in next week; already I don't have
to much time.

Regards
-- 
Maciej Rutecki
http://www.maciek.unixy.pl
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