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From: Paolo Bonzini <pbonzini@redhat.com>
To: Igor Mammedov <imammedo@redhat.com>, qemu-devel@nongnu.org
Cc: dgilbert@redhat.com, Pavel.Dovgaluk@ispras.ru, quintela@redhat.com
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	[thread overview]
Message-ID: <549408C8.70107@redhat.com> (raw)
In-Reply-To: <20141219120340.3416948b@nial.brq.redhat.com>



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

  reply	other threads:[~2014-12-19 11:15 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-19 11:03 [Qemu-devel] broken backward migration due to commit 461a275 "parallel: adding vmstate for save/restore" Igor Mammedov
2014-12-19 11:15 ` Paolo Bonzini [this message]
2014-12-19 11:32   ` Igor Mammedov
2014-12-19 11:39     ` Igor Mammedov
2014-12-19 12:02     ` Paolo Bonzini
2014-12-19 12:42       ` Igor Mammedov
2014-12-19 12:49         ` Igor Mammedov
2014-12-19 13:21           ` Paolo Bonzini
2014-12-19 13:10         ` Paolo Bonzini

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