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Old 04-05-2005, 04:30 AM   #1
Yalla-One
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Registered: Oct 2004
Location: Norway
Distribution: Slackware, CentOS
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User logout from KDE 3.3 kills KDM


Greetings,

I just installed a vanilla clean Slackware 10.1 on my old Sony VAIO PCG-R505CT. Changed default runlevel to 4 in /etc/inittab and set correct refresh-rates for X-windows in /etc/X11/xorg.conf.

System boots like a charm, presents the KDE 3.3 login screen and allows me to log in.

However, when I log out, the screen goes black and nothing happens.

Switching to a virtual console shows that kdm is no longer running. /etc/rc.4 is plain vanilla, starting kdm with -nodaemon option, just as it does on my other computers also running Slackware 10.1

Logging in as root and restarting kdm manually presents the login screen again, but the problem repeats itself on logout. Logging in as normal user with startx is not a problem.
Have tried creating a new user with blank /home/user directory to see if it's user specific, but it's not.

Has anyone experience with this?
Can anyone tell me where KDM keeps its relevant logfiles (~/.xsession-errors show nothing).
Is there a way to enable verbose logging to find out why on earth it dies after user logout?

Tried google.com/linux - no success.

PS. The system used to run SuSE 9.2 on which KDE 3.3 worked fine. SuSE was a CPU hog however, so it was a major strain on my already lacking patience...

Thanks in advance as always

-Y1
 
Old 04-05-2005, 04:59 AM   #2
Nobber
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Registered: Jun 2002
Location: Nova Scotia
Distribution: Debian (home), Kubuntu 7.04 (work)
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Are there any clues in the Xorg logs in /var/log?
 
Old 05-06-2005, 07:31 PM   #3
chatsubo42
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Registered: Feb 2005
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I noticed something...

I am having the same problem I use Suse 9.2 and just installed the Radeon 9600 drivers for my Laptop.

The problem only occured emediately after installing ATI drivers for 3D. So I ssh to the box with the BSOD (black screen of death, hehe) and try to kill kdm and all instances of KDE apps. but they don't die.

Try to unload the fglrx driver with an rmmod but it didn't work, because the driver is busy..
So I'm not sure if it's KDM or the driver. So I change display managers to standard xdm, and I no longer get a BSOD when I log out. (So if you just want to fix it this seems to work, switching the login manager.)
I doesn't work with GDM or KDM but XDM seems to work fine.

I thought it was the fglrx driver.. if you are using a radeon card. (Least it is in my case, I am.)
And I'm pretty sure it is.. and somehow XDM is immune to the error.

Also I saw on a Mandrake board that MDK version 9.0 had problems with kde shutting down the video card on logout. So you get a blank screen..

Just something I thought might be helpfull for anyone having the same problems...

Last edited by chatsubo42; 05-06-2005 at 08:14 PM.
 
Old 05-06-2005, 08:44 PM   #4
chatsubo42
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Registered: Feb 2005
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Never mind...

Well it seems that any Display Manager doesn't matter...
So please disregard the last post.

XDM, KDM, GDM all kick a BSOD after logout. It happened for sure just after I loaded the drivers from ATI.

It's the Radeon Driver for sure... I tried the display manager and the desktop env..
so it should be the driver for sure.

Just a heads up...
Any other ideas on what I might be?
 
Old 06-07-2005, 03:46 AM   #5
vovan
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Registered: Jun 2005
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solution?

I've exactly the same problem during the last few weeks. Did you probably find a solution?
 
Old 06-07-2005, 04:16 AM   #6
chatsubo42
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Registered: Feb 2005
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Well... sort of..

My fix for it was to dump 3D support by ditching the fglrx driver.. and using the default radeon driver for xorg.

should be in your xorg.conf file partainging to [device]

You could search it a find the line with the driver fglrx in the file and replace it with radeon.
That worked for me..

If your not using the radeon driver.. I'm not sure what would help..


What d-stro are you using?
 
Old 06-07-2005, 04:34 AM   #7
vovan
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Registered: Jun 2005
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My distro is Gentoo and I'm using nvidia... so it shouldn't be a driver problem and it was working before! I tried to downgrade xorg and/or kde.... nothing helps. Don't have _any_ clue the the moment. Only the thing I gonna try later today is not mounting svcdir as tmpfs anymore (as I can remember the last parameter I've changed for the last time is this one). Lets hope...
 
  


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