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I'm running Slackware 11.0 and Slamd64 (this applies to both) using nVidia drivers compiled from the nVidia install programs. In KDE, I've got several "pretty" effects enabled.
When I try to open the Qt Designer "Help" documentation after I've been working in the program for a while it will crash my kernel and/or the X-server. I can't tell which because my screen turns red and my CPU fan turns up. No keys work, and eventually either the kernel watchdog reboots the system (or it's a few minutes delayed from a million Ctrl-Alt-Del) or I do a hard shutdown. This doesn't happen with anything else, and doesn't happen if I open "Help" right away.
The second Designer problem I have is that it can't seem to scroll up. The scroll bar will move, but it makes a mess of what's in the frame. That's with mouse wheel, drag, AND arrow click. After a little bit, it happens for scrolling down, also. Resizing of widgets doesn't do all that well, either. I don't have any of those problems with KDE applications.
Does anyone else have this problem? Thanks.