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IDProjectCategoryView StatusLast Update
0002223CentOS-5xorg-x11-drv-i810public2008-03-07 06:38
Reporterschuelaw 
PrioritynormalSeveritymajorReproducibilityrandom
StatusassignedResolutionopen 
Product Version5.0 - i386 
Target VersionFixed in Version 
Summary0002223: Random blank screens on X restarts.
DescriptionProblem:

 After logging out of a user session gdm restarts to a blank screen (LCD
 backlit but black), more specifically, the behavior appears to be a
 random selection of either restarting to a blank screen or restarting
 perfectly correctly. Issuing /usr/sbin/gdm-restart repeatedly from
 another VT will always, eventually, cause a successful restart.
 Failure rate appears to be about 50-70%.

System:

 Dell GX280, CentOS 5, fully patched, gdm

Xorg details (from /var/log/Xorg.log):

 X Window System Version 7.1.1
 Release Date: 12 May 2006
 X Protocol Version 11, Revision 0, Release 7.1.1
 Build Operating System: Linux 2.6.9-42.0.10.ELsmp i686 Red Hat, Inc.
 Current Operating System: Linux sloth.whitman.edu
 2.6.18-8.1.8.el5.centos.plus #1 SMP Mon Jul 16 08:49:50 EDT 2007 i686
 Build Date: 09 April 2007
 Build ID: xorg-x11-server 1.1.1-48.13.0.1.el5
 Before reporting problems, check http://wiki.x.org
 to make sure that you have the latest version.

Video card:

 Intel Corporation 82915G/GV/910GL Express Chipset Family Graphics
 Controller rev 4, Mem @ 0xdff00000/19, 0xc0000000/28, 0xdfec0000/18,
 I/O @ 0xe898/3

 using the stock i810 driver

Xorg configuration:

 default installed configuration

Investigation so far:

    - Behavior is the same if using kdm

    - Xorg.log entries are identical in the cases of both successful
      and unsuccessful restarts.

    - With gdm debugging info turned on, relevant syslog entries are
      the same in cases of both successful and unsuccessful
      restarts.

    - Moved the hard drive into an identical machine and the same
      behavior is exhibited. (Rules out flaky hardware?)

    - I am completely stumped.

I'm happy to provide additional details as requested. Thanks,

Albert
TagsNo tags attached.
Attached Files

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-Notes

~0006920

labrown (reporter)

I, too, have a Dell GX280 exhibiting the same symptoms. I had Fedora Core 4 on this machine and after reinstalling with CentOS5 it started giving me blank screens at random.

My symptoms are exactly ike Albert's. Just wanted to add another data point.

--[Lance]

~0007000

jlgraham (reporter)

Seeing the same issue here across a lab of GX280s. Haven't found a solution yet but I did notice that the gdm screen will immediately reappear if you push the mouse a long ways towards the upper left corner of the screen.

-Justin

~0007002

jlgraham (reporter)

Seriously hackish work around here:

http://techblog.lucidillusion.org/2008/03/06/random-blankblack-x-sessions-with-gdm-on-a-dell-gx280-running-centos-5/

Uses a tool called xdotool to simulate the mouse being pushed to the upper left corner of the screen just after GDM loads.
+Notes

-Issue History
Date Modified Username Field Change
2007-07-24 02:59 schuelaw New Issue
2007-07-24 02:59 schuelaw Status new => assigned
2008-02-21 20:10 labrown Note Added: 0006920
2008-03-07 02:07 jlgraham Note Added: 0007000
2008-03-07 06:38 jlgraham Note Added: 0007002
+Issue History