The hang looks to be a bug in specifying the tiled subsurface on i915g (the offset is probably not sufficiently well aligned). The corruption in the background is just nautilus not redrawing the root window (since 3.8).
** Summary changed: - [i915g] False GPU lockup IPEHR: 0x7d8e0001 + [i915g] GPU hang accessing tiled subsurface -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1232546 Title: [i915g] GPU hang accessing tiled subsurface To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1232546/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
