Public bug reported:
I've seen a few reports, but more "hey, anyone...?" versus filing a bug,
so I thought I'd do the latter. Delete if a duplicate.
New upgrade of Xubuntu from 15.04 to 15.10 on a Gigabyte system with
Intel graphics. You can just be toddling along and BANG, you're back at
the login prompt and all applications are closed - with obvious loss of
data.
I'm just looking at installing the Intel graphics drivers to see if that
helps... there's nothing obvious in most log files, but syslog contains
these lines:
Dec 20 13:02:58 Castor whoopsie[678]: [13:02:58] Parsing
/var/crash/_usr_bin_Xorg.0.crash.
Dec 20 13:02:58 Castor whoopsie[678]: [13:02:58] Uploading
/var/crash/_usr_bin_Xorg.0.crash.
Dec 20 13:02:59 Castor whoopsie[678]: [13:02:59] Sent; server replied with: No
error
Dec 20 13:02:59 Castor whoopsie[678]: [13:02:59] Response code: 200
Dec 20 13:02:59 Castor whoopsie[678]: [13:02:59] Reported OOPS ID
fe3e7276-a719-11e5-ad2f-fa163e4aaad4
Dec 20 13:03:05 Castor org.gnome.keyring.SystemPrompter[4761]: Gtk-Message:
GtkDialog mapped without a transient parent. This is discouraged.
Dec 20 13:04:36 Castor systemd[1]: Stopping User Manager for UID 112...
Dec 20 13:04:36 Castor systemd[4594]: Stopped target Default.
Dec 20 13:04:36 Castor systemd[4594]: Stopped target Basic System.
Dec 20 13:04:36 Castor systemd[4594]: Stopped target Sockets.
Dec 20 13:04:36 Castor systemd[4594]: Reached target Shutdown.
Dec 20 13:04:36 Castor systemd[4594]: Stopped target Timers.
Dec 20 13:04:36 Castor systemd[4594]: Stopped target Paths.
Dec 20 13:04:36 Castor systemd[4594]: Starting Exit the Session...
Dec 20 13:04:36 Castor systemd[4594]: Received SIGRTMIN+24 from PID 5794 (kill).
Dec 20 13:04:36 Castor systemd[1]: Stopped User Manager for UID 112.
Dec 20 13:04:36 Castor systemd[1]: Removed slice user-112.slice.
... with ~/.xsession-errors:
upstart: upstart-event-bridge main process ended, respawning
upstart: upstart-event-bridge main process (4822) terminated with status 1
upstart: upstart-event-bridge main process ended, respawning
upstart: upstart-event-bridge main process (4823) terminated with status 1
upstart: upstart-event-bridge respawning too fast, stopped
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-22.27-generic 4.2.6
Uname: Linux 4.2.0-22-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Sun Dec 20 14:24:52 2015
InstallationDate: Installed on 2014-12-07 (378 days ago)
InstallationMedia: Xubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140723)
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: xorg
UpgradeStatus: Upgraded to wily on 2015-12-19 (0 days ago)
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
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https://bugs.launchpad.net/bugs/1528011
Title:
Apparently random crash out of desktop to login scree
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