It just happened again, after first blanking for a moment (which kicked of apport, see bug 975444). SC was not even running, so I removed it from the bug's description. Now using GTKrecordmydesktop as I'm typing this (found a switch which enabled 'on the fly' encoding), so if it happens again we will at least know what I was doing :-)
** Summary changed: - [sandybridge-gt1] GPU lockup while using 'Sync Between Computers' + [sandybridge-gt1] GPU lockup -- 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/975083 Title: [sandybridge-gt1] GPU lockup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/975083/+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