Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gdm (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/601174
Title:
gdm fails when 2nd user logs out
Status in “gdm” package in Ubuntu:
Confirmed
Bug description:
Binary package hint: gdm
I commented regarding this thread, "Switch User Fails Upon Logout of
2nd User" at Ubuntu Forums and admin recommended that I file bug
report against gdm here.
This happens 2 different ways on my system (amd64 k8tneo, running Ubuntu
10.04). Sometimes I get a washed out looking fuzzy screen upon pressing logout
of 2nd user (whether or not two users are logged in). In this case, I can
ctl-alt-f1 and get to a console. Then, ctl-alt-f7 shows a console with info
that I haven't copied or noted yet. Ctl-alt-f8, takes to a restored login x
console.
Other times, after pressing logout, I get a completely blank screen, no
cursor, no nothing. The monitor has a feed, because it doesn't go blank, but no
display is shown. No input is accepted via keyboard, so the only thing left to
do is hard-shutdown, which sucks.
This problem is similar to Bug532047, so I tried the fix to rename
plymouth-splash.conf, but it had no effect.
I am running Lucid, but original upgrade from alternate failed, so I
formatted root drive with ext3, and did a fresh installation, keeping
the old info on my /home and /backup partitions. After adding the
users back in, this has been fairly seamless except for the logout
issue.
Here are the relevant logs from logviewer clipped at the last time
this happened:
daemon.log
Jul 1 16:59:26 biglebowski console-kit-daemon[806]: WARNING: Couldn't read
/proc/1771/environ: Failed to open file '/proc/1771/environ': No such file or
directory
Jul 1 16:59:26 biglebowski gdm-simple-slave[2409]: WARNING: Unable to load
file '/etc/gdm/custom.conf': No such file or directory
Jul 1 16:59:26 biglebowski acpid: client 1021[0:0] has disconnected
Jul 1 16:59:26 biglebowski acpid: client 1021[0:0] has disconnected
Jul 1 16:59:26 biglebowski acpid: client connected from 2411[0:0]
Jul 1 16:59:26 biglebowski acpid: 1 client rule loaded
Jul 1 16:59:26 biglebowski acpid: client connected from 2411[0:0]
Jul 1 16:59:26 biglebowski acpid: 1 client rule loaded
messages:
Jul 1 16:59:26 biglebowski kernel: [ 1060.825645] __ratelimit: 3 callbacks
suppressed
Jul 1 16:59:26 biglebowski kernel: [ 1060.825658] python[1778]: segfault at
21 ip 0000000000000021 sp 00007fffee72ddb8 error 14 in python2.6[400000+21c000]
auth.log
Jul 1 16:59:26 biglebowski gdm-session-worker[1377]: pam_unix(gdm:session):
session closed for user rich
Jul 1 16:59:26 biglebowski polkitd(authority=local): Unregistered
Authentication Agent for session /org/freedesktop/ConsoleKit/Session2 (system
bus name :1.41, object path /org/gnome/PolicyKit1/AuthenticationAgent, locale
en_US.utf (disconnected from bus)
kern.log
Jul 1 16:59:26 biglebowski kernel: [ 1060.825645] __ratelimit: 3 callbacks
suppressed
Jul 1 16:59:26 biglebowski kernel: [ 1060.825658] python[1778]: segfault at
21 ip 0000000000000021 sp 00007fffee72ddb8 error 14 in python2.6[400000+21c000]
Jul 1 16:59:34 biglebowski kernel: [ 1069.750024] NVRM: Xid (0001:00): 8,
Channel 00000000
Jul 1 16:59:35 biglebowski kernel: [ 1070.750023] NVRM: Xid (0001:00): 16,
Head 00000000 Count 0001e0e2
Jul 1 16:59:42 biglebowski kernel: [ 1077.750021] NVRM: Xid (0001:00): 8,
Channel 0000001e
Jul 1 16:59:43 biglebowski kernel: [ 1078.750013] NVRM: Xid (0001:00): 16,
Head 00000000 Count 0001e0e3
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