On Fri, 16 Dec 2011 17:38:39 +0100, tino.keitel+xorg at tikei.de wrote: > Hum, could this be related to the RC6 vs. IOMMU issue? I have > CONFIG_INTEL_IOMMU enabled in 3.2, and disabled in 3.1, and boot with > i915.i915_enable_rc6=1. Very likely -- RC6 and semaphores are not compatible with IOMMU. You should be able to just disable VTd in your BIOS and use the kernel with IOMMU enabled. -- keith.packard at intel.com -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 827 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20111216/e9d6d4bd/attachment.pgp>
