*** This bug is a duplicate of bug 546578 ***
https://bugs.launchpad.net/bugs/546578
** Description changed:
- [Copycat - A blackscreen can also appear due to a bug in the Gnome
- screensaver. (goto bug #546578)]
+ [Copycat - A blackscreen can also appear due to a bug in the ATI driver
+ - workaround involving gnome-screensaver. (goto bug #546578)]
Binary package hint: nvidia-graphics-drivers
Steps to reproduce:
1. While logged in as user A, System | Switch User
- 2. Login to user B (Xterm or Gnome session), ensure all is working
- properly and logout from user B.
- - screen goes black
- - keyboard no longer works
- - mouse no longer works
- - remote SSH shows GDM does not start GDM - LoginWindow
- session on the active TTY, as it normally does after logging
- out with only one user on the system. TTY does not respond to
- input.
+ 2. Login to user B (Xterm or Gnome session), ensure all is working
+ properly and logout from user B.
+ - screen goes black
+ - keyboard no longer works
+ - mouse no longer works
+ - remote SSH shows GDM does not start GDM - LoginWindow
+ session on the active TTY, as it normally does after logging
+ out with only one user on the system. TTY does not respond to
+ input.
Patch:
- Install latest NVidia graphics drivers.
+ Install latest NVidia graphics drivers.
Hello!
I have installed Ubuntu 10.04 LTS Desktop (lucid) from scratch.
Then I've made 2 users. Then I login as one user and switch to the second
user using gnome menu (not gdm). (New feature in lucid).
When I do "Log Out" from the second user - video signal disappears and I'm
not able to use neither X nor tty to do something with the system.
I have Nvidia driver (version 173.14.22) turned on. When I turn it off and do
the steps described above - video signal remains, but when I return to the
screen of the first user - the brightness of the screen goes very low. (Fade
bug in Gnome?) And sometimes I even get black screen with lonely mouse. (The
screen is not unfaded).
Maybe there are two different bugs? With nvidia driver (when screen is
reset). And with gnome unfading when unlocking the screen.
Best regards, Vladimir
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Sat May 1 23:41:01 2010
DkmsStatus: nvidia-173, 173.14.22, 2.6.32-21-generic, i686: installed
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
Lsusb:
- Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
- 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
+ Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
+ 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
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic
root=UUID=2f23dced-c74c-4966-af43-78805eab1070 ro quiet splash
ProcEnviron:
- LANG=ru_RU.utf8
- SHELL=/bin/bash
+ LANG=ru_RU.utf8
+ SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
dmi.bios.date: 01/22/2004
dmi.bios.vendor: Intel Corp.
dmi.bios.version: RL86510A.86A.0071.P13.0401221036
dmi.board.name: D865PERL
dmi.board.vendor: Intel Corporation
dmi.board.version: AAC27648-209
dmi.chassis.type: 2
dmi.modalias:
dmi:bvnIntelCorp.:bvrRL86510A.86A.0071.P13.0401221036:bd01/22/2004:svn:pn:pvr:rvnIntelCorporation:rnD865PERL:rvrAAC27648-209:cvn:ct2:cvr:
glxinfo: Error: [Errno 2] Нет такого файла или каталога
system:
- distro: Ubuntu
- codename: lucid
- architecture: i686
- kernel: 2.6.32-21-generic
+ distro: Ubuntu
+ codename: lucid
+ architecture: i686
+ kernel: 2.6.32-21-generic
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https://bugs.launchpad.net/bugs/573101
Title:
No video signal after "Log out" in gnome when multiple users
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