Comment 52 for bug 441653

Philip (rocketman768) wrote :

Using kdm, nvidia driver, Kubuntu 10.04. Same bug, started appearing with the 2.6.32-24-generic kernel.

I believe Linus Torvalds himself reports this bug back in 2007
https://bugzilla.redhat.com/show_bug.cgi?id=323501

It's some race condition that is an artifact of porting X to Linux ages ago. He says "we are stuck with it."

==/var/log/Xorg.0.log.old==
Fatal server error:
xf86OpenConsole: VT_WAITACTIVE failed: Interrupted system call