[Bug 32316] Severe glitches with KMS + external monitor

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Dec 20 07:54:24 PST 2010


--- Comment #14 from Alex Deucher <agd5f at yahoo.com> 2010-12-20 07:54:24 PST ---
(In reply to comment #13)
> Setting "NoAccel" to "True" fixed the problem. (I should note that I also had
> "ColorTiling" still set to "False" left over from a previous test.) Many
> thanks! Obviously it would be nice to have acceleration, but this is certainly
> a major improvement.
> So does this establish that it's really a hardware limitation? Or is it
> possible that there is some bug in acceleration with my hardware configuration?

The combination of the large screens and the acceleration activity patterns
seem to indicate it's more than the MC can handle at one time.

> Independently, I tried the "EXAPixmaps" but this caused X to fail to start. I
> noticed that the template xorg.conf file created by X -configure did not even
> list this as an option.

Can you attach your xorg log with that option set?

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