On Wed, 16 Nov 2011 21:56:37 +0100 (CET), "Nicolas Kalkhof" <nkalkhof at web.de> wrote: > Not quite. On my i7 2620M (Lenovo T420) the gpu frequently hangs when > decoding videos (vaapi) and running OpenGL apps/games at the same > time. Disabling iommu makes my system relatively stable even with rc6 > enabled. I haven't played with the semaphores however. So, if we disabled rc6 when iommu is enabled (dmar_disable = 0), we should be in good shape then. -- 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/20111116/a6198fe0/attachment.pgp>
