On Tue, Jan 11, 2022 at 04:30:11PM +0000, lejeczek wrote: > Hi guys. > > I have a peculiar situation where between boxes: > C->A > -> $ virsh migrate --unsafe --live c8kubermaster1 > qemu+ssh://10.1.1.99/system > -> $ echo $? > 0 > but above does _not_ happen, instead!! VM was stopped in started, but _not_ > migrated LIVE > > A->C > -> $ virsh migrate --unsafe --live c8kubermaster1 > qemu+ssh://10.1.1.100/system > -> $ echo $? > 0 > indeed VM migrates live. > > box A & C have virtually identical OS stack, > HW difference is: > C = Ryzen 5 5600G > A = Ryzen 5 3600 > > domain XML snippet where I think it matters: > ... > </metadata> > <memory unit='GiB'>4</memory> > <currentMemory unit='GiB'>4</currentMemory> > <vcpu placement='static'>2</vcpu> > <resource> > <partition>/machine</partition> > </resource> > <os> > <type arch='x86_64' machine='pc-i440fx-rhel7.6.0'>hvm</type> > <boot dev='hd'/> > </os> > <features> > <acpi/> > <apic/> > </features> > <cpu mode='custom' match='exact' check='full'> > <model fallback='forbid'>EPYC-IBPB</model> > <feature policy='require' name='ibpb'/> > <feature policy='require' name='ssbd'/> > <feature policy='require' name='virt-ssbd'/> > <feature policy='disable' name='monitor'/> > <feature policy='require' name='x2apic'/> > <feature policy='require' name='hypervisor'/> > <feature policy='disable' name='svm'/> > <feature policy='require' name='topoext'/> > </cpu> > <clock offset='utc'> > <timer name='rtc' tickpolicy='catchup'/> > <timer name='pit' tickpolicy='delay'/> > <timer name='hpet' present='no'/> > </clock> > <on_poweroff>destroy</on_poweroff> > <on_reboot>restart</on_reboot> > <on_crash>destroy</on_crash> > <pm> > <suspend-to-mem enabled='no'/> > <suspend-to-disk enabled='no'/> > </pm> > <devices> > <emulator>/usr/libexec/qemu-kvm</emulator> > <disk type='file' device='disk'> > ... > > Initially I submitted a BZ against 'PCS' but continued to filled with it and > I find 'libvirt' might be the culprit(also?) here. > There is not much in logs, certainly nothing (with default verbosity) in > virtqemud.service > Is it that VM gets migrated but then is restarted on 'migrate_to' host? if > so then why? > How to start troubleshooting such 'monstrosity'? - all suggestions > appreciated. /var/log/libvirt/qemu/$GUEST.log on both hosts should have more info Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
