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Re: [Qemu-devel] broken backward migration due to commit 461a275 "parall


From: Paolo Bonzini
Subject: Re: [Qemu-devel] broken backward migration due to commit 461a275 "parallel: adding vmstate for save/restore"
Date: Fri, 19 Dec 2014 12:15:20 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0


On 19/12/2014 12:03, Igor Mammedov wrote:
> steps to reproduce:
> 
> Current master source:
> qemu-system-x86_64 -monitor stdio -M pc-i440fx-2.1
> (qemu) stop
> (qemu) migrate "exec:gzip -c > STATEFILE.gz"
> 
> Target:
>   qemu-system-x86_64-2.1 -monitor stdio -M pc-i440fx-2.1 -incoming "exec: 
> gzip -c -d STATEFILE.gz"
> 

That's expected.  Backwards migration is not supported by upstream, and
there's no equivalent of subsections for entire devices.

Just use "-parallel none".

Paolo



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