Created attachment 119017 [details]
No specific steps to reproduce, happens randomly. Quite often happens while opening a new tab.
mesa 11.0.3, xf86-video-intel-2.99.917+478+gdf72bc5, linux-4.2.3, chromium-46.0.2490.71
-- GitLab Migration Automatic Message --
This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.
You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1499.