There is nothing here that explicitly points towards the GPU as being the source of the system hangs.
** Summary changed: - 8086:0126 Random GPU which freezes the whole computer, requiring hard reset + [snb 13.04] Random hard hang -- 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/1182366 Title: [snb 13.04] Random hard hang To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1182366/+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