linux-kernel - Re: [git pull] drm fixes for 2.6.28 final

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Message-Id: <200811291606.44820.rjw@sisk.pl>
Date:	Sat, 29 Nov 2008 16:06:44 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	dri-devel@...ts.sourceforge.net, Dave Airlie <airlied@...ux.ie>,
	torvalds@...ux-foundation.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Takashi Iwai <tiwai@...e.de>
Subject: Re: [git pull] drm fixes for 2.6.28 final

On Saturday, 29 of November 2008, Rafael J. Wysocki wrote:
> On Friday, 28 of November 2008, Jesse Barnes wrote:
> > On Thursday, November 27, 2008 7:26 pm Dave Airlie wrote:
> > > Hi Linus,
> > >
> > > Please pull the 'drm-fixes' branch from
> > > ssh://master.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git
> > > drm-fixes
> > >
> > > This larger than we wished patch, fixes a number of regressions reported.
> > >
> > > 1. vblank rework causes hangs on VT switch - fixes touches all drivers.
> > 
> > To clarify here, only one userspace driver was actually silly enough to 
> > disable IRQs at VT leave time, xf86-video-intel.  But the DRM fix applies to 
> > all drivers just to be on the safe side.  It's a bit invasive, but ultimately 
> > a bit safer than leaving things.
> 
> The patches from this push fix suspend on the Toshiba Portege R500, but
> resume from hibernation is still broken.  It works in the minimal configuration
> (init=/bin/bash) 100% of the time.  It also sort of works from the console, but
> then the second attempt to hibernate fails because some tasks cannot be
> frozen.
> 
> 2.6.27.7 hibernates and resumes on the same box 100% of the time, from X too.
> 
> I'll carry out bisection in the next few days.

OK, most probably the hibernation issue is related to ALSA, as hibernation works
100% of the time with snd_hda_intel unloaded.

I've filed http://bugzilla.kernel.org/show_bug.cgi?id=12121 for this problem.

Thanks,
Rafael
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