Andreas, can you try booting with intel_iommu=off kernel parameter? I think you hit another issue in 3.2, or try the newer 3.2.2 build from http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.2.2-precise/, which should have intel_iommu disabled by default.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922037 Title: "reduce brightness" key freezes system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/922037/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
