Ubuntu
xserver-xorg-video-intel package

  1. Bug #1098334
  2. Comment #113

Comment 113 for bug 1098334

Revision history for this message
In , Zdenek Kabelac (zdenek-kabelac) wrote :

(In reply to comment #92)
> Removed an older hack and had to reduce the max further. Bah, humbugs.

OK, this time I'm definitely not able to reproduce the issue so far.
Maybe it will some extra time - hard to say now - but before it has took me just minutes to get the issue visible.

intel_gpu_top now shows only few lines busy to 1% during scroll.

The bad part is - while before I've been getting 3.7Mchar/s in x11perf -aa10text - now it's like 1.3Mchar/s so significantly slower.

So the question here would be - isn't the corruption based on triangle surface size ? So i.e. GPU is able to process a lot of small ones - but has bug with bigger ones ?

Maybe a cheap test would be to flush when some longer triangle edge is pushed in ?