As described in this http://ubuntuforums.org/showthread.php?t=1325199 forum thread (last Edit) I managed to solve this. The problem was with kdm (v. 4.3.2_ubuntu7.1) package from karmic-proposed repository. Regards ppietryga
-- [SOLVED] Kubuntu 9.10, black screen after booting up (logo disappears). https://bugs.launchpad.net/bugs/482143 You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kdebase-workspace in ubuntu. -- kubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
