I'm using KDE with kwin OpenGL effects and in a dual-head configuration. I was interacting with Firefox when the hang occurred; if I'm interpreting the results from "about:support" correctly, Firefox is not using OpenGL acceleration even though it's enabled in its preferences, probably due to a driver blacklist. I'm running fully updated precise.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/947543 Title: Lenovo x220 froze and display went blank while switching workplaces To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/947543/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
