FreeBSD and Xorg: session ending ends up in locked up Xorg server

[Derek Ragona]

At 10:46 AM 6/15/2008, O. Hartmann wrote:
>Hello,
>
>I have a strange problem on one of my FreeBSD 7.0-STABLE boxes.
>
>The machine is a FreeBSD 7.0-STABLE/AMD64 box, most recently built-world.
>Whenever I logout from a local X11 session (using Xorg, most recent, and 
>Windowmaker, also most recent, all X stuff recently rebuilt), Xorg eats up 
>100% CPU time and I never get back to the login box offered by xdm (xdm is 
>driven by /etc/ttys as recommended). Instead I see a weird unresponsive 
>screen with blinking, weird coloured block-graphics and letters, in most 
>cases the same pattern, but this changes. Logging in from another box and 
>killing Xorg gives back the expected login box from xdm.
>
>I have no glue what's going on here. My graphics board is a nVidia driven 
>GF8600GTS and it worked well a couple of weeks ago. I rebuild the whole X 
>stuff incl. all the dependencies because I thought it could have something 
>to do with miscompiled or outdated ports - but thta isn't obviously the fact.
>
>Does anyone see this on his box also?
>
>Regards,
>Oliver

There have been reports of 100% CPU with some graphics drivers, 
specifically nvidia's with Xorg.  I would check that you have the correct 
and latest driver for your specific video chip.

         -Derek

-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.