linux-kernel - Re: intel hda regression: 2.6.33-rc{1,2}: hd-audio0 eats 25% CPU (according to top)

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Message-ID: <8db1092f0912250844p16d20209ib07f54f521bdb252@mail.gmail.com>
Date:	Fri, 25 Dec 2009 17:44:06 +0100
From:	Maciej Rutecki <maciej.rutecki@...il.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Sergei Trofimovich <slyich@...il.com>,
	linux-kernel@...r.kernel.org,
	Éric Piel <eric.piel@...mplin-utc.net>
Subject: Re: intel hda regression: 2.6.33-rc{1,2}: hd-audio0 eats 25% CPU 
	(according to top)

2009/12/25 Takashi Iwai <tiwai@...e.de>:

>
> OK, thanks for quick tests.
>
> It's a bit surprising that this resulted in the high CPU usage
> instead of erroneous behavior.  This should be rather a bug of
> codec chip...
>
> Anyway, Segei, which codec is on your machine?  Is it Analog Device
> one?
> IIRC, the one's on Maciej and Eric machines are AD codecs.
> If so, we can just revert the changes to patch_analog.c in that
> commit.
>

So all we have hp notebook and AD codecs? Maybe You are right, that is
bug in codec chip.

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