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.
Similar bug report about problems booting 4.15 kernels on HP dc5800 machines on RedHat's bugzilla: /bugzilla. redhat. com/show_ bug.cgi? id=1520265
https:/
Some people there say that upgrading the BIOS to version 1.6 fixes the problem, so may be worth a try.