On Fri, 2020-06-12 at 10:24 +0200, Tru Huynh wrote: > On Fri, Jun 12, 2020 at 09:20:34AM +0200, Robin Lee wrote: > > Today when I ran yum update two packages came up microcode_ctl > > and unbound-libs. The updating process went fine until it > > outputted > > > > Running transaction > > Updating : 2:microcode_ctl-2.1-61.6.el7_8.x86_64 > > > > then it just froze. I could no longer ssh to the machine and the > > console was just blank. I had to shut down it hard. > > Maybe related to > https://www.hivelocity.net/blog/centos-update-advisory/ > (discarding the blame game) it might be a bad combination of > kernel/microcode/bios... Thanks for the link. Very interesting as I also have a Supermicro motherboard. My journalctl outputs: kernel: DMI: Supermicro Super Server/X11SSM-F, BIOS 2.2 05/23/2018 /Robin