I am also getting the same error. I tried the debugging instructions, but got the error
backtrace: command not found which makes the rest a bit tricky. attached is the output from gdb if that helps. ** Attachment added: "gdb-kwin.txt" http://launchpadlibrarian.net/33563477/gdb-kwin.txt -- kwin crashes - assertion failure https://bugs.launchpad.net/bugs/426069 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