If i kill k3b or terminate through X (titlebar button, confirming termination), the system recovers. It's only k3b that hangs.
AMD Sempron 2400+ (1666 MHz), 512 MB ram, 52x cd-rw (dvd-rom combo) -- k3b takes all memory and cpu when choosing "burn cd image" https://launchpad.net/bugs/51939 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs