At 2017-04-26 21:59:46, "Daniel P. Berrange" <berrange@xxxxxxxxxx> wrote: >On Wed, Apr 26, 2017 at 08:51:39AM -0500, Eric Blake wrote: >> > >> > I migrated a Windows 7 VM with libvirtd tunnelled, the VM halted >> > on the target although the status is running. > >What do you mean by halted ? The guest OS has shutdown, or QEMU >has crashed, or something else ?>I can still connect to the guest OS and see the windows opened before migrate on the target, but cann't click any more,and there's no effect when send "ctrl+alt+del" keys by virsh.>> > >> > >> > [root@test15 ~]# virsh migrate --live --p2p --tunnelled i-000000ac qemu+tcp://192.168.65.13/system >> > >> > >> > But when migrated with qemu native mode, the VM runs well. >> > >> > >> > [root@test15 ~]# virsh migrate --live --p2p i-000000ac qemu+tcp://192.168.65.13/system > >From QEMU's POV there's no difference between these modes - in both cases >QEMU is just getting a file descriptor from libvirt. > >So any problems with the guest after migration are>When I destroy the guest and restart, the guest OS works well.The attachment is a stripped version log.>> > System Info: >> > Release: Centos 7.2 >> > Kernel: 3.10.0-327.28.3.el7.x86_64 >> > Qemu: qemu-kvm-rhev-2.3.0 >> > Libvirt: libvirt-1.2.17/libvirt-2.0.0 > >Does the 2 libvirt versions mean you are live-migrating between two different >versions of CentOS ? If so, this also likely means two different versions >of QEMU involved. > >> > CPU: AMD Opteron(TM) Processor 6212 >> > >> > >> > As CPUFrequency may lead windows migrate halt, I have disabled Power Management. >> > >> > >> > Does anyone have some sugestions? >> > >> > >> > Thanks, >> > Linwen Deng >> > >> > >> > vm.xml >> > >> > >> > <domain type='kvm' id='8'> >> > <name>i-000000ac</name> >> > <uuid>53f0710f-b25e-4f47-a7cf-c15a9409fdc3</uuid> >> > <metadata> >> > <nova:instance xmlns:nova="http://openstack.org/xmlns/libvirt/nova/1.0"> >> > <nova:package version="12.0.0-4"/> >> > <nova:name>c7-vm15-test15-7</nova:name> >> > <nova:creationTime>2017-04-14 06:48:54</nova:creationTime> >> > <nova:flavor name="oeflavor-4-2048-20"> >> > <nova:memory>2048</nova:memory> >> > <nova:disk>20</nova:disk> >> > <nova:swap>0</nova:swap> >> > <nova:ephemeral>0</nova:ephemeral> >> > <nova:vcpus>4</nova:vcpus> >> > </nova:flavor> >> > <nova:owner> >> > <nova:user uuid="b0f21b1d16b147ffb3f7713716cc894a">admin</nova:user> >> > <nova:project uuid="ae883f160c3c41db850d5cde8de8208b">service</nova:project> >> > </nova:owner> >> > </nova:instance> >> > </metadata> >> > <memory unit='KiB'>2097152</memory> >> > <currentMemory unit='KiB'>2097152</currentMemory> >> > <memoryBacking> >> > <hugepages> >> > <page size='2048' unit='KiB' nodeset='0'/> >> > </hugepages> >> > </memoryBacking> >> > <vcpu placement='static'>2</vcpu> >> > <cputune> >> > <shares>4096</shares> >> > <vcpupin vcpu='0' cpuset='4-7'/> >> > <vcpupin vcpu='1' cpuset='4-7'/> >> > <emulatorpin cpuset='4-7'/> >> > </cputune> >> > <resource> >> > <partition>/machine</partition> >> > </resource> >> > <sysinfo type='smbios'> >> > <system> >> > <entry name='manufacturer'>Fedora Project</entry> >> > <entry name='product'>OpenStack Nova</entry> >> > <entry name='version'>12.0.0-4</entry> >> > <entry name='serial'>95637afe-453f-42a8-b198-df673ab59c91</entry> >> > <entry name='uuid'>53f0710f-b25e-4f47-a7cf-c15a9409fdc3</entry> >> > <entry name='family'>Virtual Machine</entry> >> > </system> >> > </sysinfo> >> > <os> >> > <type arch='x86_64' machine='pc-i440fx-rhel7.2.0'>hvm</type> >> > <boot dev='cdrom'/> >> > <boot dev='hd'/> >> > <boot dev='fd'/> >> > <smbios mode='sysinfo'/> >> > </os> >> > <features> >> > <acpi/> >> > <apic/> >> > </features> >> > <cpu mode='host-model'> >> > <model fallback='allow'/> >> > <topology sockets='2' cores='1' threads='1'/> >> > </cpu> >> > <clock offset='utc'> >> > <timer name='pit' tickpolicy='delay'/> >> > <timer name='rtc' tickpolicy='catchup'/> >> > <timer name='hpet' present='no'/> >> > </clock> > >If nothing else, this guest is incorrectly configured for running >the Windows OS. I suspect you forget to set the Glance image >property needed to tell Nova that it is windows. > >Specifically it is missing hyperv paravirt <timer>, and many hyperv >paravirt <feature> elements. > >This will make Windows guests unstable and liable to hit BSOD > > >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 :|
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