Comment 96 for bug 314928

> --- Comment #14 from Bryce Harrington <email address hidden>
> 2009-06-07 11:23:24 PST --- Jesse, a couple people have tested it on
> the downstream bug. One person indicates it did not affect the
> issue. The other tester was a bit ambiguous, but thought it might
> have helped with sound/video stuttering.

I'll have to come up with a patch to monitor MTRR writes; we must be
clearing an MTRR somewhere but not rewriting it at the next startup.
Though I'm pretty sure if you were able to use GEM this problem would
go away...