From: Stefan Priebe <s.priebe@profihost.ag>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel <qemu-devel@nongnu.org>,
Alexandre DERUMIER <aderumier@odiso.com>,
Juan Quintela <quintela@redhat.com>
Subject: Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3)
Date: Fri, 28 Dec 2012 20:03:56 +0100 [thread overview]
Message-ID: <50DDED1C.2020208@profihost.ag> (raw)
In-Reply-To: <50DDDCB2.1060403@redhat.com>
Hi Paolo,
Am 28.12.2012 18:53, schrieb Paolo Bonzini:
> Il 28/12/2012 08:05, Alexandre DERUMIER ha scritto:
>> Hi list,
>> After discuss with Stefan Yesterday here some more info:
>>
>> (this is for stable qemu 1.3, it was working fine with qemu 1.2)
>>
>> The problem seem that whesettings a migrate_set_downtime to 1sec,
>>
>> the transfert of the vm seem to send all the memory of the vm in 1 step, and not by increment.
>> So the downtime is really huge , 90000ms for 1GB memory.
>
> Can you try commit bde54c08b4854aceee3dee25121a2b835cb81166?
i cherry picked that one on top of 1.3 sadly it does not help. VM halts,
monitor socket is no longer available kvm process is running with 100%
CPU on source side.
Greets,
Stefan
next prev parent reply other threads:[~2012-12-28 19:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-27 21:54 [Qemu-devel] setting migrate_downtime results in halted vm Stefan Priebe
2012-12-28 7:05 ` [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3) Alexandre DERUMIER
2012-12-28 17:53 ` Paolo Bonzini
2012-12-28 19:03 ` Stefan Priebe [this message]
2012-12-29 14:00 ` Paolo Bonzini
2012-12-29 14:05 ` Stefan Priebe
2012-12-29 14:58 ` Paolo Bonzini
2012-12-29 15:19 ` Stefan Priebe
2012-12-29 15:25 ` Paolo Bonzini
2012-12-31 13:25 ` Stefan Priebe
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