On Fri, Jan 06, 2017 at 01:27:38PM +0000, Dr. David Alan Gilbert wrote:

[...]

> > (P.S. I found that split irqchip cannot work well with migration. Is
> >  this an known issue?)
> 
> How did it fail?

The keyboard hangs after migration.

Command line for reference:

$qemu -M q35,kernel-irqchip=split -enable-kvm \
      -netdev user,id=net0 \
      -device e1000,netdev=net0 \
      -m 512M -monitor stdio \
      $incoming /var/lib/libvirt/images/vm1.qcow2

Here $incoming is "" for init vm, and "-incoming tcp:0:6666" for the
dest side. Not sure whether this is reproducable issue. Looks like
some EOI ack is missing.

Host: 4.10.0-rc1+ (I should also tried 4.6.4-301.fc24)
Qemu: latest master

Looking into it.

-- peterx

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