@slucas1979 I have only Intel chip set with internal HD4000. no external graphic chip.
@richardsdma I added now the kernel option "pci=nomsi" I will report if it helps. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1095232 Title: "pc=nomsi" solved the freezing. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1095232/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs