https://bugs.freedesktop.org/show_bug.cgi?id=36713
--- Comment #5 from Johannes Engel jcnengel@googlemail.com 2011-04-30 11:13:58 PDT --- The Oops is probably bug #33812 in the kernel (https://bugzilla.kernel.org/show_bug.cgi?id=33812). Can you confirm that the issue vanishes if you tell the BIOS to only use discrete graphics instead of switchable?