https://bbs.archlinux.org/viewtopic.php?id=233230 is this related? It seems it was fixed by "i915.enable_rc6=0" kernel parameter. Could you have a try?
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1813423 Title: Frequent system freezing with i915 error "*ERROR* Atomic update failure on pipe A" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813423/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

