On Wed, May 30, 2012 at 10:32 PM, Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: > > > Am 30.05.2012 10:52, schrieb drago01: >> On Wed, May 30, 2012 at 2:36 AM, Jared K. Smith >> <jsmith@xxxxxxxxxxxxxxxxx> wrote: >>> On Tue, May 29, 2012 at 5:29 PM, Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: >>>> Am 29.05.2012 22:45, schrieb Roberto Ragusa: >>>> i think i have to mention taht VT-d is active in the BIOS and >>>> i was wondering that it was stable because the combination of the >>>> i915 options with VT-d (hardware supported virtualization IO) is >>>> classified to be unstable >>> >>> Yes, that's a possible culprit. I've had massive problems with VT-d >>> enabled on both a Thinkpad T510 and on a Thinkpad X220. I don't >>> pretend to understand what advantages VT-d is *supposed* to give me, >>> but it's the first thing I turn off in the BIOS. In fact, on the >>> T510, I couldn't even get an installation to complete without turning >>> it off. >> >> You could just do boot with intel_iommu=igfx_off to verify that > > sounds not really smart if you are using the integrated graphics > engine as only graphics card which is fast enough for KDE4 3D > effects and all the things you need if you are not a gamer :-) You misunderstood this completely this won't "turn off your GPU" but just disables DMAR for it ... You shouldn't notice any difference neither in KDE nor in games. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
