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Re: [Qemu-devel] Re: Qemu-KVM Livate Migration 0.12.2 -> 0.12.3/4 broken


From: Peter Lieven
Subject: Re: [Qemu-devel] Re: Qemu-KVM Livate Migration 0.12.2 -> 0.12.3/4 broken?
Date: Wed, 12 May 2010 15:42:46 +0200
User-agent: Thunderbird 2.0.0.23 (X11/20090817)

Hi,

I can confirm that reverting this patch makes Live Migration from 0.12.2 to 0.12.4
again possible.

Br,
Peter

Juan Quintela wrote:
Peter Lieven <address@hidden> 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 <address@hidden>
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.





--
Mit freundlichen Grüßen/Kind Regards

Peter Lieven

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