[Regression in 3.10] Garbage displayed after resume on Acer Aspire S5

[Daniel Vetter]

On Sat, Jul 6, 2013 at 3:59 PM, Rafael J. Wysocki <rjw at sisk.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. Also, does a
vt-switch not resolve the issue?
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch