Am 30.05.2012 02:36, schrieb Jared K. Smith: > 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. the strange is that both machines are running since august 2011 until around F16 with stable graphics and VT-d so there must gone something wrong in the latest kernels > 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 on a normal workstation VT-x and VT-d can and should be turned off here are running some VMware Workstation guests in background one of them is a backup-machine rsync'ing 1.5 TB data each day - in this case you do not want to disable VT-d
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