Public bug reported: Locking the session from the system menu appears to happen normally, but the lightdm page shows the default background. Logging in starts a new session. It seems clear that invoking screen lock kills the session entirely.
I consider this bug urgent and a show stopper. May 13 09:19:25 ctesphon kernel: [425322.609985] compiz[25534]: segfault at 2000 00002 ip 0000000200000002 sp 00007fff92811f38 error 14 May 12 15:54:31 ctesphon gnome-session[25301]: GLib-CRITICAL: g_environ_setenv: assertion 'value != NULL' failed May 13 09:19:25 ctesphon gnome-session[25301]: WARNING: Application 'compiz.desk top' killed by signal 11 May 13 09:19:25 ctesphon gnome-session[25301]: WARNING: App 'compiz.desktop' res pawning too quickly May 13 09:19:25 ctesphon gnome-session[25301]: CRITICAL: We failed, but the fail whale is dead. Sorry.... May 13 09:19:26 ctesphon colord: device removed: xrandr-Sun Electronics Corporat ion-778 May 13 09:19:26 ctesphon colord: Profile removed: icc-c8d6bf485b49fb0ac6607eab40 fcdd84 May 13 09:19:27 ctesphon kernel: [425324.763633] nvidia 0000:03:00.0: irq 44 for MSI/MSI-X May 13 09:19:27 ctesphon acpid: client 24802[0:0] has disconnected ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: gnome-screensaver 3.6.1-0ubuntu13 ProcVersionSignature: Ubuntu 3.13.0-52.86-generic 3.13.11-ckt18 Uname: Linux 3.13.0-52-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3.10 Architecture: amd64 CurrentDesktop: Unity Date: Wed May 13 09:31:30 2015 GnomeSessionIdleInhibited: No GnomeSessionInhibitors: None GsettingsGnomeSession: org.gnome.desktop.session session-name 'ubuntu' org.gnome.desktop.session idle-delay uint32 600 InstallationDate: Installed on 2013-10-18 (571 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) SourcePackage: gnome-screensaver UpgradeStatus: Upgraded to trusty on 2014-04-30 (378 days ago) ** Affects: gnome-screensaver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug trusty -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-screensaver in Ubuntu. https://bugs.launchpad.net/bugs/1454698 Title: Unlocking the screen after sleep logs user off and back on To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/1454698/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs