Also I suspect the lockup with external monitor plugging may be a separate issue than the gpu lockup. You might try using netconsole to see if you can get the dmesg output for that, and then file a new bug report.
-- 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/974830 Title: [sandybridge-m-gt2+] GPU lockup render.IPEHR: 0x78170003 To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/974830/+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