Can you see if either of the following two kernels also exhibit the bug: 4.4.0-110: https://launchpad.net/~canonical-kernel-security- team/+archive/ubuntu/ppa/+build/14231477
4.4.0-111: https://launchpad.net/~canonical-kernel-security- team/+archive/ubuntu/ppa/+build/14241947 ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Xenial) Status: New => Incomplete ** Changed in: linux (Ubuntu Xenial) Importance: Undecided => High ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Tags added: kernel-da-key ** Tags added: pti -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1745349 Title: Hard lockup during boot with linux-image-4.4.0-112-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1745349/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs