Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3)

[Stefan Priebe]

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