Since I don't see the intel driver in the backtrace, I went back to version 2:2.1.1-0ubuntu5, so compiz is back again. Then I tried to reproduce the backtrace in my last comment. With steps in comment #39, I was able to get the gray blocks in my second attempt. gdb outptut attached.
** Attachment added: "gdb-X.txt" http://launchpadlibrarian.net/9861149/gdb-X.txt -- laptop hangs when switching video mode https://bugs.launchpad.net/bugs/127101 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
