Public bug reported:
Binary package hint: gdm
Hi,
I ain't quite sure if this is a gdm problem, it might also be x.org...
please reassign if necessary (or ask me for any additional info you may
need).
This has already happened a handful of times. Some times (e.g. when I
have a lot of unfinished work and open windows) I leave my work PC on
and logged in during the night, and when I come back, it is at the gdm
login screen.
Inspecting /var/log/wtmp (using "last") I notice that tty7 is marked as
"gone - no logout"... my pts/X are shown as all logged out at the same
time.
Looking at that time in /var/log/syslog I find the following:
############### /var/log/syslog ###############
Mar 26 21:38:06 kamchatka gdm[12964]: WARNING: gdm_slave_xioerror_handler:
Fatal X error - Restarting :0
Mar 26 21:38:07 kamchatka kile: *** glibc detected *** kile: corrupted
double-linked list: 0x08eae7f0 ***
Mar 26 21:38:08 kamchatka acpid: client connected from 24269[0:0]
Mar 26 21:38:10 kamchatka kernel: [738623.073704] mtrr: type mismatch for
d0000000,10000000 old: write-back new: write-combining
Mar 26 21:38:10 kamchatka kernel: [738623.562071] set status page addr
0x00033000
############### /var/log/syslog ###############
(the "kile" error only happens if kile is running, I've seen similar
logs without it)
I find that these errors are correlated to an error like the following in
/var/log/gdm/:0.log
############### /var/log/gdm/:0.log ###############
X: ../common/dri_bufmgr_fake.c:579: dri_bufmgr_fake_contended_lock_take:
Assertion `_fence_test(bufmgr_fake, block->fence)' failed.
############### /var/log/gdm/:0.log ###############
The only other log I could correlate was auth.log stating that my gdm session
was closed:
############### /var/log/auth.log ###############
Mar 26 21:38:07 kamchatka gdm[12964]: pam_unix(gdm:session): session closed for
user baby
############### /var/log/auth.log ###############
I'm using Intrepid with gnome in a Dell Optiplex 755 ultra small factor with an
Intel graphics card.
Stuff (that I can remember) that was running at that time:
gdm 2.20.8-0ubuntu3
firefox 3.0.7+nobinonly-0ubuntu0.8.10.1
thunderbird 2.0.0.21+nobinonly-0ubuntu0.8.10.1
gnome-terminal 2.24.1.1-0ubuntu1
kile 1:2.0.1-1ubuntu1
xscreensaver 5.07-0ubuntu3
############### /etc/X11/xorg.conf ###############
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "latam"
Option "XkbOptions" "lv3:ralt_switch"
EndSection
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
EndSection
Section "Device"
Identifier "Configured Video Device"
EndSection
Section "Monitor"
Identifier "Configured Monitor"
EndSection
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
EndSection
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
EndSection
############### /etc/X11/xorg.conf ###############
Any help appreciated, please feel free to ask for more info
** Affects: gdm (Ubuntu)
Importance: Undecided
Status: New
--
gdm crashing randomly while unattended
https://bugs.launchpad.net/bugs/349535
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