linux-kernel - Re: [2.6.30-rc1-git2 regressions] Hibernation broken and (minor but annoying) audio problem

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Message-ID: <s5hbpqy12mh.wl%tiwai@suse.de>
Date:	Wed, 15 Apr 2009 15:13:26 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Arjan van de Ven <arjan@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [2.6.30-rc1-git2 regressions] Hibernation broken and (minor but annoying) audio problem

At Tue, 14 Apr 2009 23:12:33 +0200,
Rafael J. Wysocki wrote:
> 
> On Tuesday 14 April 2009, Takashi Iwai wrote:
> > At Fri, 10 Apr 2009 00:57:41 +0200,
> > Rafael J. Wysocki wrote:
> > > 
> > > Second, KDE4 on openSUSE 11.1 sometimes fails to handle audio correctly after
> > > a fresh boot.  Everything seems to work, but there's no sound at all.  It is
> > > sufficient to close the X session and start the desktop environment again to
> > > make it work, though (may that be async too? ;-)).  The hardware in question is
> > > Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller
> > > (rev 02) and the driver is snd_hda_intel.
> > 
> > Is this problem still there?
> 
> Just a few minutes ago sound stopped working (that was after a resume from S3,
> but not immediately after it), without anything suspicious in dmesg etc.
> Restarting X fixed that.
> 
> Still, that doesn't happen very often and it is not readily reproducible.
> 
> > If restarting the X session fixes the problem, it could be a
> > pulseaudio problem.  But, then it doesn't sound like a kernel update
> > issue.
> 
> Well, that may be a pulseaudio problem, but the very same pulsaudio apparently
>  worked well with 2.6.29-git<something>.  That might be a coincidence, though.

2.6.30-rc[12] have some patches regarding the DMA pointer handling,
which may influence on PA.  More fix patches are pending.  Could you
try sound git tree either master or for-next branch?  At least it
seems working for some others.
    git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git


thanks,

Takashi
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