I'm going to close this bug, since it's so old and the exact causes are
unclear. If you are experiencing issues like this please open new bugs
as that will make it easier to work out the issue. Also see bug 1566073
which may resolve some of these problems.
** Changed in: lightdm
Status: Fix Committed => Fix Released
** Changed in: lightdm (Ubuntu Oneiric)
Assignee: Robert Ancell (robert-ancell) => (unassigned)
** No longer affects: xorg-server (Ubuntu)
** No longer affects: xorg-server (Ubuntu Oneiric)
** No longer affects: xorg-server (Ubuntu Precise)
** Changed in: lightdm (Ubuntu)
Status: Triaged => Fix Released
** No longer affects: lightdm (Ubuntu Oneiric)
** No longer affects: lightdm (Ubuntu Precise)
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https://bugs.launchpad.net/bugs/851612
Title:
Logging out from a FUS session does not reliably return to VT7
Status in Light Display Manager:
Fix Released
Status in lightdm package in Ubuntu:
Fix Released
Bug description:
[Problem]
Logging out of a second user session results in a black screen with blinking
cursor, until you manually switch to vt7. Might also be caused when screen is
locked because of inactivity.
[Impact]
Frequency of occurrence may be about 1 in 4. Not a hardware-specific
problem, so can be encountered by most users.
[Development Fix]
Adding a VT_WAITACTIVE after the VT_ACTIVATE ioctl helps reduce the chance of
a race condition between LightDM, the kernel, ConsoleKit, and X, but is not a
complete solution. This change was introduced to Precise as of version
1.1.2-0ubuntu1 on Feb 10th.
[Stable Fix]
The development change was not a complete fix. Thus the change is not valid
for SRUing.
[Text Case]
1. Have a multi-user system
2. Start up and log in as a user
3. Use the User Menu to switch to another user
4. You will be at the Unity Greeter, log in as the second user
5. The second user session will load
6. Choose Log Out from the power/setting menu
7. You will be at the Unity Greeter
8. select and enter the password for the logged in user
Broken Behavior:
The screen turns black and shows a blinking cursor
Manually switching to VT7 shows the first user session, and works fine
Fixed Behavior:
Automatically returned to VT7 after entering the password for the first user
[Regression Potential]
<fill me in with a discussion of likelihood and potential severity of
regressions and how users could get inadvertently affected.
[Original Report]
Steps:
1. Have a multi-user system
2. Start up and log in as a user
3. Use the Use Menu to switch to another user
4. You will be at the Unity Greeter, log in as the second user
5. The second user session will load
6. Choose Log Out from the power/setting menu
7. You will be at the Unity Greeter
8. select and enter the password for the logged in user
Result:
The screen turns black and shows a blinking cursor
Manually switching to VT7 shows the first user session, and works fine
Expected:
Automatically returned to VT7 after entering the password for the first user
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: lightdm 0.9.7-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
NonfreeKernelModules: wl
ApportVersion: 1.23-0ubuntu1
Architecture: i386
Date: Fri Sep 16 08:19:11 2011
InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Alpha i386 (20100329)
ProcEnviron:
LANGUAGE=en_US:en
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: lightdm
UpgradeStatus: Upgraded to oneiric on 2011-09-11 (4 days ago)
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