Hi Steffen, This looks like it was the well-known false positive gpu hang bug. It's not actually anything wrong with your system, just some bug in the error capture tool. We've turned that tool off for the release, so these popups should no longer be bothering you.
** Changed in: xserver-xorg-video-intel (Ubuntu) Status: Confirmed => Fix Released -- 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/864729 Title: [i945gm] GPU lockup EIR: 0x00000010 PGTBL_ER: 0x00000102 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/864729/+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