I succeeded to make it fail!! So here is the result of the log when "video frequency too high" occurs
** Attachment added: "Xorg.log_when_do_not_work" http://launchpadlibrarian.net/17949574/Xorg.log_when_do_not_work.txt -- Video Frequency too high https://bugs.launchpad.net/bugs/272804 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
