Re: Qemu-KVM Livate Migration 0.12.2 -> 0.12.3/4 broken?

[Juan Quintela <quintela@redhat.com>]

Peter Lieven <pl@dlh.net> wrote:
> Hi Qemu/KVM Devel Team,
>
> Live Migration from a 0.12.2 qemu-kvm to a 0.12.3 (and 0.12.4)
> does not work: "load of migration failed"
>
> Is there any way to find out, why exactly it fails? I have
> a lot of VMs running on 0.12.2 and would like to migrate
> them to 0.12.4
>
> cmdline:
> -net tap,vlan=6,script=no,downscript=no,ifname=tap7 -net
> nic,vlan=6,model=e1000,macaddr=52:54:00:fe:00:88   -net
> tap,vlan=651,script=no,downscript=no,ifname=tap8 -net
> nic,vlan=651,model=e1000,macaddr=52:54:00:ff:00:69   -drive
> file=/dev/mapper/iqn.2001-05.com.equallogic:0-8a0906-b6eca7604-6280020bc4b4bde8-quagga,if=ide,boot=on,cache=none,aio=native
> -m 256 -monitor tcp:0:4090,server,nowait -vnc :90 -name 'Quagga' -boot
> order=dc,menu=on  -k de  -incoming tcp:172.21.59.132:5090 -pidfile
> /var/run/qemu/vm-148.pid  -rtc base=utc,clock=vm  -usb -usbdevice
> tablet  -no-kvm-irqchip  -vga cirrus
>
> Any hints would be appreciated!

Can you try reverting this patch?

commit 3fa017e24b0a0f0e68619a689b9b02fe486dae9e
Author: Marcelo Tosatti <mtosatti@redhat.com>
Date:   Thu Feb 11 18:19:44 2010 -0200

    ide save/restore pio/atapi cmd transfer fields and io buffer

and told me if it works?

Later, Juan.