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From: Takashi Iwai <tiwai@suse.de>
To: "Éric Piel" <eric.piel@tremplin-utc.net>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
	alsa-devel@alsa-project.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Maciej Rutecki <maciej.rutecki@gmail.com>
Subject: Re: [2.6.33-rc1] [SOUND] HDA: high cpu usage, noise
Date: Wed, 23 Dec 2009 16:02:49 +0100	[thread overview]
Message-ID: <s5hws0dag2u.wl%tiwai@suse.de> (raw)
In-Reply-To: <4B3228BC.1080204@tremplin-utc.net>

At Wed, 23 Dec 2009 15:27:08 +0100,
Éric Piel wrote:
> 
> Op 22-12-09 10:17, Takashi Iwai schreef:
> :
> >>> Another thing to try is to replace the whole HD-audio stack with the
> >>> last working one (was it 2.6.32?), and check whether it works with
> >>> 2.6.32 core.
> >> Could you give more details on how to do this?
> >> Does it consist in taking the sound/ directory of 2.6.32 and copying it
> >> over 2.6.33-rc1 ? Or less files?
> > 
> > I'd try first only sound/pci/hda/* files.
> > 
> Brute-force reverting these files to the version of 2.6.32.2 does fix
> the problem.

OK, that's good to know.

> When I find time, I'll try to git bisect on this particular directory...
> but anyone willing to try to beat me at this is welcome, as Christmas is
> going to keep me rather busy ;-)

bisecting would be indeed helpful.  It needs to be done only in the
above directory, so there shouldn't be much.


thanks,

Takashi
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WARNING: multiple messages have this Message-ID (diff)
From: Takashi Iwai <tiwai@suse.de>
To: "Éric Piel" <eric.piel@tremplin-utc.net>
Cc: Maciej Rutecki <maciej.rutecki@gmail.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	alsa-devel@alsa-project.org, perex@perex.cz,
	"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: [2.6.33-rc1] [SOUND] HDA: high cpu usage, noise
Date: Wed, 23 Dec 2009 16:02:49 +0100	[thread overview]
Message-ID: <s5hws0dag2u.wl%tiwai@suse.de> (raw)
In-Reply-To: <4B3228BC.1080204@tremplin-utc.net>

At Wed, 23 Dec 2009 15:27:08 +0100,
Éric Piel wrote:
> 
> Op 22-12-09 10:17, Takashi Iwai schreef:
> :
> >>> Another thing to try is to replace the whole HD-audio stack with the
> >>> last working one (was it 2.6.32?), and check whether it works with
> >>> 2.6.32 core.
> >> Could you give more details on how to do this?
> >> Does it consist in taking the sound/ directory of 2.6.32 and copying it
> >> over 2.6.33-rc1 ? Or less files?
> > 
> > I'd try first only sound/pci/hda/* files.
> > 
> Brute-force reverting these files to the version of 2.6.32.2 does fix
> the problem.

OK, that's good to know.

> When I find time, I'll try to git bisect on this particular directory...
> but anyone willing to try to beat me at this is welcome, as Christmas is
> going to keep me rather busy ;-)

bisecting would be indeed helpful.  It needs to be done only in the
above directory, so there shouldn't be much.


thanks,

Takashi

  reply	other threads:[~2009-12-23 15:02 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-20 17:27 [2.6.33-rc1] [SOUND] HDA: high cpu usage, noise Maciej Rutecki
2009-12-21 10:28 ` Takashi Iwai
2009-12-21 10:28   ` Takashi Iwai
2009-12-21 18:12   ` Maciej Rutecki
2009-12-21 19:08     ` Éric Piel
2009-12-22  7:04       ` Takashi Iwai
2009-12-22  7:04         ` Takashi Iwai
2009-12-22  9:15         ` Éric Piel
2009-12-22  9:17           ` Takashi Iwai
2009-12-22  9:17             ` Takashi Iwai
2009-12-22 15:15             ` Éric Piel
2009-12-22 15:40               ` Takashi Iwai
2009-12-22 15:40                 ` Takashi Iwai
2009-12-22 15:42                 ` Éric Piel
2009-12-23 14:27             ` Éric Piel
2009-12-23 15:02               ` Takashi Iwai [this message]
2009-12-23 15:02                 ` Takashi Iwai

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