Version-Release number of selected component (if applicable): F14, KDE 4.5.2, okular 0.11.2. The bug didn't happen until the last yum update three days ago. How reproducible: Always. Steps to Reproduce: 1. Open any PDF document (preferably multi-page) in okular. 2. Zoom in, pan: all goes smoothly. 3. Zoom out (quickly, e.g. using the mouse wheel): the system crashes. Actual results: The system immediately becomes unresponsive. No tty switch, no Sysctrl magic keys (which I *have* enabled on my system), no disk activity, nothing. Hard reboot is the only option. On one occasion, the CapsLock LED started blinking, indicating a kernel-panic. Additional info: - Also reported upstream as https://bugs.kde.org/show_bug.cgi?id=255704 The KDE team thinks (rightly so) that it looks like a low-level bug somewhere else in the kernel or graphic stack, although it's hard for me to pinpoint what exactly causes it. - Launching okular with --graphicssystem raster does solve the problem. - Valgrind log only contains "uninitialized stuff", and since it stops logging as soon as the system freezes it's pretty useless.
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