I get this bug ofter when I am away from the computer: on my return my session is dead :/
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/1731587 Title: Application 'org.gnome.Shell.desktop' killed by signal 11 Status in nvidia-graphics-drivers package in Ubuntu: Confirmed Bug description: Gnome Session randomly crashes. Seems to happen a lot while running 'Videos' application. Here is part of syslog: Nov 10 19:01:47 msi-01 systemd[1]: Started Run anacron jobs. Nov 10 19:01:47 msi-01 anacron[6903]: Anacron 2.3 started on 2017-11-10 Nov 10 19:01:47 msi-01 anacron[6903]: Normal exit (0 jobs run) Nov 10 19:02:35 msi-01 gnome-shell[5258]: ../../../../gobject/gsignal.c:2641: instance '0x56552d09fcc0' has no handler with id '40302' Nov 10 19:02:35 msi-01 gnome-shell[5258]: ../../../../gobject/gsignal.c:2641: instance '0x56552e423d20' has no handler with id '40302' Nov 10 19:02:35 msi-01 gnome-shell[5258]: (cogl-pipeline.c:602):_cogl_pipeline_update_layers_cache: code should not be reached Nov 10 19:02:35 msi-01 kernel: [236833.394536] gnome-shell[5258]: segfault at 80 ip 00007f375f2193dc sp 00007ffe8b8912c8 error 4 in libmutter-cogl-1.so[7f375f1d8000+a5000] Nov 10 19:02:35 msi-01 gnome-shell[5258]: message repeated 2 times: [ (cogl-pipeline.c:602):_cogl_pipeline_update_layers_cache: code should not be reached] Nov 10 19:02:35 msi-01 update-notifier[6014]: Error reading events from display: Broken pipe Nov 10 19:02:35 msi-01 nautilus[5966]: Error reading events from display: Broken pipe Nov 10 19:02:35 msi-01 telepathy-indic[5706]: Error reading events from display: Broken pipe Nov 10 19:02:35 msi-01 caffeine[5607]: Error reading events from display: Broken pipe Nov 10 19:02:35 msi-01 org.gnome.Shell.desktop[5258]: (EE) Nov 10 19:02:35 msi-01 org.gnome.Shell.desktop[5258]: Fatal server error: Nov 10 19:02:35 msi-01 org.gnome.Shell.desktop[5258]: (EE) failed to read Wayland events: Broken pipe Nov 10 19:02:35 msi-01 org.gnome.Shell.desktop[5258]: (EE) Nov 10 19:02:35 msi-01 gnome-session[5192]: gnome-session-binary[5192]: WARNING: Application 'org.gnome.Shell.desktop' killed by signal 11 Nov 10 19:02:35 msi-01 gnome-session-binary[5192]: WARNING: Application 'org.gnome.Shell.desktop' killed by signal 11 Nov 10 19:02:35 msi-01 gnome-session-binary[5192]: Unrecoverable failure in required component org.gnome.Shell.desktop Nov 10 19:02:35 msi-01 thunderbird.desktop[5779]: xcb_connection_has_error() returned true Nov 10 19:02:35 msi-01 org.gnome.Shell.desktop[5258]: xcb_connection_has_error() returned true Nov 10 19:02:35 msi-01 gsd-rfkill[5430]: g_object_notify: object class 'CcRfkillGlib' has no property named 'kernel-noinput' Nov 10 19:02:35 msi-01 chromium-browser.desktop[6658]: [6724:6724:1110/190235.947265:ERROR:x11_util.cc(89)] X IO error received (X server probably went away) Nov 10 19:02:35 msi-01 chromium-browser.desktop[6658]: [6658:6658:1110/190235.948751:ERROR:chrome_browser_main_extra_parts_x11.cc(62)] X IO error received (X server probably went away) Nov 10 19:02:35 msi-01 gsd-keyboard[5469]: gsd-keyboard: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. Nov 10 19:02:35 msi-01 gsd-media-keys[5467]: gsd-media-keys: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. Nov 10 19:02:35 msi-01 thunderbird[5779]: thunderbird: Fatal IO error 104 (Connection reset by peer) on X server :0. Nov 10 19:02:35 msi-01 gsd-a11y-keyboa[5454]: gsd-a11y-keyboard: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. Nov 10 19:02:35 msi-01 gsd-color[5458]: gsd-color: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. Nov 10 19:02:35 msi-01 firefox[5855]: firefox: Fatal IO error 104 (Connection reset by peer) on X server :0. Nov 10 19:02:35 msi-01 gsd-clipboard[5459]: gsd-clipboard: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. Nov 10 19:02:35 msi-01 nautilus-deskto[5622]: nautilus-desktop: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. Nov 10 19:02:35 msi-01 gsd-xsettings[5447]: gsd-xsettings: Fatal IO error 104 (Connection reset by peer) on X server :0. Nov 10 19:02:35 msi-01 org.a11y.atspi.Registry[5293]: XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0" Nov 10 19:02:35 msi-01 org.a11y.atspi.Registry[5293]: after 2069 requests (2069 known processed) with 0 events remaining. Nov 10 19:02:35 msi-01 gsd-color[2721]: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/xrandr_Goldstar_Company_Ltd_LG_ULTRAWIDE_57706_someuser_1000 Nov 10 19:02:35 msi-01 kernel: [236833.520793] rfkill: input handler enabled Nov 10 19:02:35 msi-01 udev-acl.ck[6953]: g_slice_set_config: assertion 'sys_page_size == 0' failed Nov 10 19:02:36 msi-01 systemd[1]: Stopping User Manager for UID 1000... 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