linux-kernel - Re: 2.6.24-rc4-git5: Reported regressions from 2.6.23

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Date:	Sat, 08 Dec 2007 10:57:57 -0800
From:	Roland Dreier <rdreier@...co.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, Roland Dreier <rolandd@...co.com>,
	Takashi Iwai <tiwai@...e.de>, "Theodore Ts'o" <tytso@....edu>
Subject: Re: 2.6.24-rc4-git5: Reported regressions from 2.6.23

 > > Subject		: snd_hda_intel 2.6.24-rc2 bug: interrupts don't always work on Lenovo X60s
 > > Submitter	: Roland Dreier <rdreier@...co.com>
 > > References	: http://lkml.org/lkml/2007/11/8/255
 > > 		  http://bugzilla.kernel.org/show_bug.cgi?id=9332
 > > Handled-By	: 
 > > Patch		: 
 > 
 > Takashi had a patch and that has been merged.  AFAIK this regression
 > has been fixed and we're left with a new but harmless warning.
 > 
 > However Roland reported other problems and it appears that the trail went
 > cold (http://lkml.org/lkml/2007/11/14/251)

A fix for the most likely cause of this problem was merged (7eba5c9d
"[ALSA] hda-codec - Check PINCAP only for PIN widgets") but it seems
that setting CONFIG_SND_HDA_POWER_SAVE can cause the "azx_get_response
timeout, switching to polling mode" message sometimes too.  However
according to Takashi this is really just a cosmetic problem -- polling
mode is not so bad.

 - R.
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