linux-kernel - Re: 2.6.24-rc8-git1: Reported regressions from 2.6.23

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Message-ID: <s5h4pdbchxz.wl%tiwai@suse.de>
Date:	Fri, 18 Jan 2008 15:43:52 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, mingo@...e.hu, bunk@...nel.org,
	Dave Kleikamp <shaggy@...tin.ibm.com>,
	Shaohua Li <shaohua.li@...el.com>,
	Jay Vosburgh <fubar@...ibm.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Alexey Starikovskiy <astarikovskiy@...e.de>,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: 2.6.24-rc8-git1: Reported regressions from 2.6.23

At Fri, 18 Jan 2008 15:10:08 +0100,
Rafael J. Wysocki wrote:
> 
> On Friday, 18 of January 2008, Linus Torvalds wrote:
> > 
> > On Thu, 17 Jan 2008, Andrew Morton wrote:
> > > 
> > > > Subject		: snd_hda_intel 2.6.24-rc2 bug: interrupts don't always work on Lenovo X60s
> > > > Submitter	: Roland Dreier <rdreier@...co.com>
> > > > Date		: 2007-11-08 14:55
> > > > References	: http://lkml.org/lkml/2007/11/8/255
> > > > 		  http://bugzilla.kernel.org/show_bug.cgi?id=9332
> > > > Handled-By	: Takashi Iwai <tiwai@...e.de>
> > > > 		  Ingo Molnar <mingo@...e.hu>
> > > > Patch		: http://lkml.org/lkml/2007/11/16/66
> > 
> > This patch went in, but was reverted because it caused more problems than 
> > it fixed. And what it "fixed" was somewhat dubious anyway.
> 
> It was reported to break suspend on one box, but Takashi wants it in, AFAICS,
> as quite some time has been invested into figuring out what's going wrong in
> that case.

Hm, I thought Ingo's patch fixed that case on the contrary...

Anyway, this patch is still on alsa.git, planned for 2.6.25, but with
additional workarounds for known problematic codecs and a bit more
robust timeout checks.


Takashi
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