KDE End current session hangs the machine

Bug #32092 reported by Luka Renko
8
Affects Status Importance Assigned to Milestone
Ubuntu
Confirmed
Medium
Kubuntu Bugs

Bug Description

After clean install of Kubuntu Dapper Flight 4 on HP Compaq nw8240 I cannot log-out (Log Out-> End Current Session) anymore. When I perform this function, I first get blank screen, following by greenish overcast on the screen.
At that point, machine is not responding to anything (switch to text console, Ctrl-Alt-Backspace, Ctrl-Alt-Del...) - the only thing I can do is hard reset. :-(

I do not recall having such problems with Flight 3 (which was regularly updated, therefore almost Flight 4 before reinstall), but I do not use this function that often (I do not recall using it recently before reinstall)

Revision history for this message
Kenny Duffus (kduffus) wrote :

Please could you try ending session with no programs open and see if the same thing happens?

If the above works you could see if you could narrow it down a specific program?

Changed in kdebase:
assignee: nobody → kubuntu-team
status: Unconfirmed → Needs Info
Revision history for this message
Luka Renko (lure) wrote :

It happens 100%, no matter of running programs (also immedeately after log-in). I think this is related to "fglrx" driver from ATI for my FireGL V5000 card. Similar problem is mentioned by another user in bug 31655

Revision history for this message
fangorious (fangorious-deactivatedaccount) wrote :

I only have problems with the OSS ati driver. The fglrx (8.22.5 built manually) works very well for me.

Revision history for this message
Luka Renko (lure) wrote :

I have now configured "ati" driver and I cannot get this problem with OSS "ati"driver (did at least 5-6 logouts + several reboots without problems), whille with "fglrx" driver I get this 100% on Logout (KDE End Session) and sometimes on shutdown/reboot (I would say 50% chance) - I have also seen it when doing /etc/init.d/kdm restart, therefore I would suspect this issue is linked with X server restart and specifically with fglrx driver.

Revision history for this message
Luka Renko (lure) wrote :

It happened alto with "ati" driver - but only once during resume from hibernate, just when it should switch to X display.

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Luka Renko (lure) wrote :

I have also experienced this problem on Breezy today (for the first time) - and I am using Breezy from beta on.
I am using fglrx drivers from ATI site on breezy.
It just seems to me that this is some old bug, which is just a bit easier to trigger with X.org 7 in Dapper.

Revision history for this message
Kenny Duffus (kduffus) wrote :

still happening with dapper as of today

Changed in xorg-driver-fglrx:
status: Needs Info → Confirmed
Revision history for this message
Kenny Duffus (kduffus) wrote :

affects various drivers probably more general

Revision history for this message
Luka Renko (lure) wrote :

Closing as duplicate as the other report is also on ATI with FireGL card.

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