Created attachment 49804 [details]
Example of artifacts and texture issue
Textures have random black artifacts on them that look much like ants (the artifacts are moving, not static). They also seem to be merging into each other.
-- chipset: Sandybridge (HD3000)
-- system architecture: 64-bit
-- xf86-video-intel: 2.15.0
-- xserver: 1.10.3
-- mesa: 7.11
-- libdrm: 7.11
-- kernel: 3.0
-- Linux distribution: Arch
-- Machine or mobo model: Dell XPS 15 L502X
-- Display connector: LVDS
WC3 demo that exhibits this behaviour added as URL.
*** This bug has been marked as a duplicate of bug 39730 ***