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Re: [Qemu-devel] [PATCH v3 0/2] VT-d migration support
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From: |
Peter Xu |
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Subject: |
Re: [Qemu-devel] [PATCH v3 0/2] VT-d migration support |
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Date: |
Mon, 9 Jan 2017 10:18:45 +0800 |
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User-agent: |
Mutt/1.5.24 (2015-08-30) |
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