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Message #131298
[Bug 778490] Re: Random logout after upgrading to Natty Narwhal 11.04
Post #71 Continued...
Apport Backtrace:
- Temporarily forced using: sudo service apport start force_start=1
- Simulated the condition for crash/logout
- Logged back but no notification from update-notifier
- Checked /var/crash/executable_path.uid.crash but no report found there
Looks like apport fails to report the crash.
Could it be a GPU lockup? https://wiki.ubuntu.com/X/Troubleshooting/Freeze
Workaround: I reported a workaround that worked with my laptop. Since
then I have consistently verified the workaround. If the laptop is
powered on AC main there are no crash/logouts. Auto logouts only when
using battery power. Could power management linked to GPU lockup. Wild
guess: Some kind of wait/timeout issue?
Attachments:
Xorg.0.log.old
xsession-errors (prev)
** Attachment added: "Xorg.0.log.old"
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/778490/+attachment/2156059/+files/Xorg.0.log.old
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https://bugs.launchpad.net/bugs/778490
Title:
Random logout after upgrading to Natty Narwhal 11.04