Problem : Ubuntu 12.04 freezes , not able to click any button on keyboard or mouse , unable to go to console or reboot. the screen looks 3/4th black and 1/4th grey color. power off is the only option.
some more details. I am using Intel i5 Dell laptop with 8GB RAM, Upgraded from Ubuntu 11.10 to 12.04, while this happend , I was using virtual box VM, JDeveloper and Mozilla Browser was Open . I often used to get "crash report" with send message button . Conclusion : Ubuntu 11.10 seemed to be very stable - for 2 years it never crashed. But with 12.04 - its been hard to work -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/993187 Title: ubuntu 12.04 64bit completely freezes frequently To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/993187/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs