If we assume that "intel_do_flush_locked" is related to the gnome-shell crash and this is a specific and not general duplicate of one of the above bugs, the we should be looking in the package where "intel_do_flush_locked" exists too. So that's the function "do_flush_locked" in mesa's src/mesa/drivers/dri/i915/intel_batchbuffer.c
** Also affects: mesa (Ubuntu) Importance: Undecided Status: New ** Changed in: mesa (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1730184 Title: org.gnome.Shell.desktop[29954]: intel_do_flush_locked failed: Bad address Status in gnome-shell package in Ubuntu: Confirmed Status in mesa package in Ubuntu: Confirmed Status in gnome-shell package in Fedora: Unknown Bug description: Went to log into my fairly newly upgraded ubuntu artful system today but was presented with a new login instead of a login with all my applications running, similar to #1728474 ( https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1728474 ), only I didn't have to Ctrl-Alt-F1 to get a new login, I was presented with one when I came to log in in the morning. syslog gives a clue: Nov 5 02:17:43 eva org.gnome.Shell.desktop[29954]: intel_do_flush_locked failed: Bad address Nov 5 02:17:44 eva gnome-shell[29954]: Connection to xwayland lost Nov 5 02:17:44 eva kernel: [1339701.543472] traps: gnome-shell[29954] trap int3 ip:7fcceb716961 sp:7ffd8b486020 error:0 in libglib-2.0.so.0.5400.1[7fcceb6c6000+111000] This, followed by everything that was running failing to various degrees of cleanness. intel-microcode: Installed: 3.20170707.1 Candidate: 3.20170707.1 Version table: *** 3.20170707.1 500 500 https://gpl.savoirfairelinux.net/pub/mirrors/ubuntu artful/restricted amd64 Packages 500 https://mirror.its.sfu.ca/mirror/ubuntu artful/restricted amd64 Packages 100 /var/lib/dpkg/status xserver-xorg-video-intel: Installed: 2:2.99.917+git20170309-0ubuntu1 Candidate: 2:2.99.917+git20170309-0ubuntu1 Version table: *** 2:2.99.917+git20170309-0ubuntu1 500 500 https://gpl.savoirfairelinux.net/pub/mirrors/ubuntu artful/main amd64 Packages 500 https://mirror.its.sfu.ca/mirror/ubuntu artful/main amd64 Packages 100 /var/lib/dpkg/status libglib2.0-0: Installed: 2.54.1-1ubuntu1 Candidate: 2.54.1-1ubuntu1 Version table: *** 2.54.1-1ubuntu1 500 500 https://gpl.savoirfairelinux.net/pub/mirrors/ubuntu artful/main amd64 Packages 500 https://mirror.its.sfu.ca/mirror/ubuntu artful/main amd64 Packages 100 /var/lib/dpkg/status ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: gnome-shell 3.26.1-0ubuntu5 ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4 Uname: Linux 4.13.0-16-generic x86_64 ApportVersion: 2.20.7-0ubuntu3.1 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Sun Nov 5 07:27:04 2017 DisplayManager: gdm3 GsettingsChanges: b'org.gnome.shell' b'favorite-apps' b"['org.gnome.Nautilus.desktop', 'libreoffice-calc.desktop', 'gnome-control-center.desktop', 'org.gnome.Terminal.desktop', 'userapp-New Moon-YU8MZY.desktop', 'onioncircuits.desktop', 'org.gnome.Screenshot.desktop', 'emacs25.desktop', 'ricochet-im.desktop', 'gpa.desktop', 'org.gnome.Cheese.desktop']" b'org.gnome.desktop.interface' b'cursor-blink-time' b'1264' b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'" InstallationDate: Installed on 2017-04-18 (200 days ago) InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) JournalErrors: Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system. Users in the 'systemd-journal' group can see all messages. Pass -q to turn off this notice. No journal files were opened due to insufficient permissions. SourcePackage: gnome-shell UpgradeStatus: Upgraded to artful on 2017-10-19 (16 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1730184/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp