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From: Stefan Priebe <s.priebe@profihost.ag>
To: qemu-devel <qemu-devel@nongnu.org>
Subject: [Qemu-devel] setting migrate_downtime results in halted vm
Date: Thu, 27 Dec 2012 22:54:55 +0100	[thread overview]
Message-ID: <50DCC3AF.7020802@profihost.ag> (raw)

Hello list,

i'm using qemu 1.3 and migration works fine if i do not set 
migrate_downtime.

If i set migrate_downtime to 1s or 0.5s or 0.3s the VM halts immediatly 
i cannot even connect to the qmp socket anymore and migration takes 5-10 
minutes or never finishes.

I see high cpu usage on source vm while it hangs.

VM was for all tests IDLE and was using 1GB of 4GB mem.

Do you have any ideas what happens here?

Greets,
Stefan

             reply	other threads:[~2012-12-27 21:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-27 21:54 Stefan Priebe [this message]
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
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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