Did you have sync setup on Chromium? The link I posted above says it only happens when it syncs in the background. Also, how much do you use Firefox vs. Chromium? Obviously if you don't have Chromium open much it probably wouldn't happen.
Thanks for the info, Charles -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/792849 Title: Lenovo ThinkPad T420 random hardlocks with Sandy Bridge graphics To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/792849/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs