I have a similar issue with intrepid while running the upcoming KDE 4.2 release (building from KDE's subversion). If i let the machine sit idle, then X pegs my cpu at 100% but doesn't cause a freeze. Once I move the mouse, the cpu usage goes back down. I've attached the only backtrace that shows up when I attach gdb to X.
** Attachment added: "gdb.txt" http://launchpadlibrarian.net/19766440/gdb.txt -- [Intrepid] X freezes when machine is idle for a while https://bugs.launchpad.net/bugs/285390 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
