Public bug reported:
Distributor ID: Ubuntu
Description: Ubuntu 8.10
Release: 8.10
Codename: intrepid
Linux wuppie 2.6.27-9-generic #1 SMP Thu Nov 20 21:57:00 UTC 2008 i686 GNU/Linux
I've experienced a couple of times that after I've logged out of a
graphical session and am supposed to see the gdm login screen, I only
get a black screen with even the backlight of my lcd switched off. The
machine is not dead as I could switch to a TTY and log in there. I
assumed that something was wrong with gdm so I tried 'sudo killall gdm'
and 'sudo /etc/init.d/gdm start', but that again led to a black screen.
In the kern.log files there's something about 'putting AGP V2 device
into 0x mode' for every time I tried to restart gdm. Only after
rebooting I could get to see the gdm login screen again.
Additionally, I've occasionally had a black screen after a resume as
well, but then the machine was completely dead and I needed to reset it.
Nevertheless, I do believe it is the same bug. I am using the open
source openchrome driver. Hardware is an Acer 1352XC laptop with Athlon
MP 2200+ processor.
Though this bug happens 1 out of 5 times, I cannot see a pattern. Only
thing I'm sure of is that the black screen has always occured after the
laptop has (either successfully or not) resumed from suspend mode.
Thanks,
Robert
ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 8.10
LsUsb:
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Package: linux-image-2.6.27-9-generic 2.6.27-9.19
ProcCmdLine: root=UUID=0be270a0-14a2-49d0-ad75-8db20bca2efa ro splash
ProcEnviron:
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.27-9.19-generic
SourcePackage: linux
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug
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black screen after logout
https://bugs.launchpad.net/bugs/313701
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