I later hit the same with the 4.15.0-20 kernel. I think something got messed up either with grub or the initramfs. We can close this.
** Description changed: 4.15.0-22 fails on boot on a Dell XPS 9570 with "not all CPUs entered - broadcast". + broadcast exception handler". 4.15.0-20 works fine. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1774865 Title: 4.15.0-22 won't boot on Dell XPS 15 9570 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1774865/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs