X crashes suddenly

[michel7]

During working in KDE my X often crashes so i only see black screen. But all programms are still running ... My Xorg.0.log shows

[didymos]

That doesn't matter. I get that all the time. It just happens to be the last thing in the Xorg.0.log. What programs are running when this happens? Also, check /var/log/messages for possibly useful errors, and tell us what sort of hardware you've got.
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Thomas S. Howard