This bug was fixed in the package xserver-xorg-video-intel - 2:2.21.9-0ubuntu2
--------------- xserver-xorg-video-intel (2:2.21.9-0ubuntu2) saucy; urgency=low
* sna-make-sure-the-source-is-coherent.diff: Fix corruptions on firefox (LP: #1189850) -- Timo Aaltonen <email address hidden> Tue, 11 Jun 2013 20:10:33 +0300
This bug was fixed in the package xserver- xorg-video- intel - 2:2.21.9-0ubuntu2
--------------- xorg-video- intel (2:2.21.9-0ubuntu2) saucy; urgency=low
xserver-
* sna-make- sure-the- source- is-coherent. diff: Fix corruptions on firefox
(LP: #1189850)
-- Timo Aaltonen <email address hidden> Tue, 11 Jun 2013 20:10:33 +0300