LFENCE not serializing
Creating a vm from alpine-virt-3.8.1-x86_64.iso, boot hangs at
ISOLINUX 6.04 6.04-pre1 ETCD Copyright
[ 0.020017] Spectre VZ : Sprectre mitigation: LFENCE not serializing, switchin
g to generic retpoline
Tried various combinations of RAM, CPU, CPU features.
Host: 64-core Opteron 6376 (“Opteron_G5” in KVM) w/ 512GB RAM, centos 6 w/ stock libvirt, images on NFS-mounted ZFS volume w/ cache mode = writeback. Other VMs run in this host.
Any suggestions? — TIA
(from redmine: issue id 9538, created on 2018-10-08)