F16: Sandy Bridge -> lags, missing effects, ui-crashes

Jared K. Smith jsmith at fedoraproject.org
Wed May 30 00:36:18 UTC 2012

On Tue, May 29, 2012 at 5:29 PM, Reindl Harald <h.reindl at thelounge.net> 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.

Jared Smith

More information about the devel mailing list