Similar bug report about problems booting 4.15 kernels on HP dc5800 machines on RedHat's bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1520265
Some people there say that upgrading the BIOS to version 1.6 fixes the problem, so may be worth a try. ** Bug watch added: Red Hat Bugzilla #1520265 https://bugzilla.redhat.com/show_bug.cgi?id=1520265 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772038 Title: ubuntu/xubuntu 18.04 kernel crash during install. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772038/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs