I just had this exact problem. Was watching a facebook video on chrome when everything crashed.
Oct 3 02:02:26 ******* anacron[1861]: Anacron 2.3 started on 2018-10-03 Oct 3 02:02:26 ******* anacron[1861]: Normal exit (0 jobs run) Oct 3 02:05:01 ******* CRON[2715]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1) Oct 3 02:15:01 ******* CRON[5542]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1) Oct 3 02:15:22 ******* wpa_supplicant[1097]: wlp5s0: WPA: Group rekeying completed with ******* [GTK=TKIP] Oct 3 02:17:01 ******* CRON[6114]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Oct 3 02:20:58 ******* /usr/lib/gdm3/gdm-x-session[1208]: i965: Failed to submit batchbuffer: Bad address Oct 3 02:20:58 ******* org.gnome.Nautilus[1267]: XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0" Oct 3 02:20:58 ******* org.gnome.Nautilus[1267]: after 5587 requests (5587 known processed) with 0 events remaining. Oct 3 02:20:58 ******* deluge.desktop[14891]: deluge: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. Oct 3 02:20:58 ******* [6122]: nomacs: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. -- 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/1794033 Title: i965: Failed to submit batchbuffer: Bad address To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1794033/+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