Re: [Qemu-devel] Block Migration and xbzrle

lieven-lists
2012-10-02T08:42:57Z

Orit Wasserman wrote:
> On 09/16/2012 01:39 PM, Peter Lieven wrote:
>> Hi,
>>
>> I remember that this was broken some time ago and currently with
>> qemu-kvm 1.2.0 I am still not able to use
>> block migration plus xbzrle. The migration fails if both are used
>> together. XBZRLE without block migration works.
>>
>> Can someone please advise what is the current expected behaviour?
> XBZRLE only work on guest memory so it shouldn't be effected by block
> migration.
> What is the error you are getting?
> What command line ?

Meanwhile I can confirm that it happens with and without block migration.
I I observe 2 errors:
a)
qemu: warning: error while loading state section id 2
load of migration failed
b)
the vm does not enter running state after migration.

The command-line:
/usr/bin/qemu-kvm-1.2.0 -net
tap,vlan=798,script=no,downscript=no,ifname=tap1 -net
nic,vlan=798,model=e1000,macaddr=52:54:00:ff:01:15 -drive
format=host_device,file=/dev/mapper/iqn.2001-05.com.equallogic:0-8a0906-d85f4e007-3f30017ce11505df-ubuntu-tools-hd0,if=virtio,cache=none,aio=native
-m 4096 -smp 2,sockets=1,cores=2,threads=1 -monitor
tcp:0:4002,server,nowait -vnc :2 -qmp tcp:0:3002,server,nowait -name
'Ubuntu-Tools' -boot order=dc,menu=off -k de -incoming
tcp:172.21.55.34:5002 -pidfile /var/run/qemu/vm-250.pid -mem-path
/hugepages -mem-prealloc -rtc base=utc -usb -usbdevice tablet -no-hpet
-vga cirrus -cpu host,+x2apic,model_id='Intel(R) Xeon(R) CPU
L5640 @ 2.27GHz',-tsc

Thanks,
Peter

>
> Regards,
> Orit
>>
>> Thanks,
>> Peter
>>
>>
>
>
>