Hi I have same bug on Acer emachines E642 notebook. It has ATI Mobility Radeon HD 4250 videocard. This bug disappeared when I installed new driver "ATI/AMD proprietary FGLRX graphics driver" via "jockey-kde". It seems this is a problem of graphics driver.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/651294 Title: X crash on KDM logout (still - yes, really) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs