linux-kernel - Re: [Regression in 3.10] Garbage displayed after resume on Acer Aspire S5

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Message-ID: <5405301.QyFoc5XpoA@vostro.rjw.lan>
Date:	Sat, 06 Jul 2013 23:47:23 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Daniel Vetter <daniel@...ll.ch>
Cc:	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [Regression in 3.10] Garbage displayed after resume on Acer Aspire S5

On Saturday, July 06, 2013 10:26:28 PM Rafael J. Wysocki wrote:
> On Saturday, July 06, 2013 04:16:36 PM Daniel Vetter wrote:
> > On Sat, Jul 6, 2013 at 3:59 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> > > Hi,
> > >
> > > I've just started to play with a new Acer Aspire S5 test box and noticed that
> > > garbage is displayed after resume from suspend to RAM with the 3.10 kernel
> > > (under KDE 4.10.3 on openSUSE 12.3).  The display corruption goes away after
> > > killing X and restarting it.
> > >
> > > The CPU is a Core i5-3317U (Ivy Bridge), i915 graphics.
> > >
> > > That doesn't happen with 3.9 (same config otherwise).  It also doesn't happen
> > > with my older Sandy Bridge-based box (with 3.10), so I suspect Ivy Bridge
> > > specifics.
> > >
> > > Is this known?  Do you want me to bisect?
> > 
> > Screenshot of the garbage would be a good start I'd say.
> 
> Well, it's just garbage.  Attached anyway.

To be precise, the screen right after resume doesn't look like this
(as I said in https://bugzilla.kernel.org/show_bug.cgi?id=60530 created
to track this issue - more screens attached in there).

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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