Bug#645547: New processes segfault after several resume from hibernation

[Jonathan Nieder <jrnieder@gmail.com>]

retitle 645547 [i915] intermittent memory corruption after hibernation unless i915.modeset=0
severity 645547 important
found 645547 linux-2.6/3.2~rc4-1~experimental.1
quit

Hi,

Kjö Hansi Glaz wrote:

> I tried appending `i915.modeset=0` and thus falling back to vesa makes
> hibremation/resume working.
>
> I also tested 3.2.0-rc4 from experimetal (with modesetting enabled) and
> experience the same kind of problems that with 3.1.0. Sometimes
> processes segfault, sometimes the whole kernel hangs.

Thanks.  Nice detective work.

That means it's most likely a bug in the i915 driver.  Please follow the
instructions at [1] to report this upstream and let us know the bug number
so we can track it.

Regards,
Jonathan

[1] http://intellinuxgraphics.org/how_to_report_bug.html