Yes, I expected this. So this is definitively a kernel bug, reassigning. As a workaround, you can use the "nomodeset" boot option for now.
Thanks for debugging! The kernel team will most likely have more questions/tests for you, though. ** Summary changed: - Computer freeze when removing power cable + [HP Presario CQ61] changing brightness freezes computer ** Summary changed: - [HP Presario CQ61] changing brightness freezes computer + [HP Presario CQ61] changing brightness freezes computer with KMS ** Package changed: gnome-power-manager (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Status: New => Confirmed -- [HP Presario CQ61] changing brightness freezes computer with KMS https://bugs.launchpad.net/bugs/615803 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