Random blank screens on X restarts.
schuelaw at whitman.edu
Fri Jul 20 14:12:40 PDT 2007
Fri Jul 20 14:08:54 PDT 2007
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%.
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 1.1.1-220.127.116.11.el5
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
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
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
- 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,
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