Re: remoted migration KVM-guest failed

[Anthony Liguori <anthony-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>]

Zhang, Jingke wrote:
>
> Hi all,
>
> I test the migration in KVM-ia32e (using two machines to do remote 
> migration), but it failed.
>
> But if I do it in the local host, it can pass. Does anyone meet the 
> same issue? Please give me some help, thank you very much!
>
> The command I used on the destination (machine B) point is:
>
> qemu-system-x86_64 . -m 512 -net 
> nic,macaddr=00:16:3e:3a:2d:56,model=rtl8139 -net 
> tap,script=/etc/kvm/qemu-ifup -hda /root/hvm/ia32e_fc6.img –incoming 
> tcp://0:4444
>
> The command I used on the source (machine A) point is:
>
> qemu-system-x86_64 . -m 512 -net 
> nic,macaddr=00:16:3e:3a:2d:56,model=rtl8139 -net 
> tap,script=/etc/kvm/qemu-ifup -hda /root/hvm/ia32e_fc6.img and (qemu) 
> migrate –d tcp://192.168.199.69:4444
>
> Then the (machine B) shows errors:
>
> Migrate_incoming_fd failed (rc=233)
>
> Migration failed rc=233
>

Curious, it indicates that the migration stream is corrupted. Can you do 
something like:

On machine A:

(qemu) migrate "exec://dd of=foo.img"

And then on machine B:

cat foo.img | qemu-system-x86_64 . -m 512 -net 
nic,macaddr=00:16:3e:3a:2d:56,model=rtl8139 -net 
tap,script=/etc/kvm/qemu-ifup -hda /root/hvm/ia32e_fc6.img –incoming stdio

What version of KVM is this? Are there any patches applied?

Regards,

Anthony Liguori

> BTW, dmesg on machine B shows:
>
> ====================
>
> sw0: port 2(tap0) entering disabled state
>
> device tap0 left promiscuous mode
>
> sw0: port 2(tap0) entering disabled state
>
> ====================
>
> Thank you, Zhangjingke
>
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