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Old 12-22-2011, 09:36 AM
Jonathan Nieder
Default Bug#645547: New processes segfault after several resume from hibernation

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


Kj 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.


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

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