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Re: [Qemu-devel] [PATCH 0/3] virtio-pci: 1.0 tweaks
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From: |
Michael S. Tsirkin |
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Subject: |
Re: [Qemu-devel] [PATCH 0/3] virtio-pci: 1.0 tweaks |
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Date: |
Fri, 23 Jan 2015 11:21:20 +0200 |
On Fri, Jan 23, 2015 at 09:31:29AM +0100, Gerd Hoffmann wrote:
> Hi,
>
> > Figured notification seems to not be adapted to virtio 1.0 yet: Apply
> > this patchset, boot with -device virtio-net-pci,disable-legacy=on, watch
> > qemu blow up in virtio_pci_set_host_notifier_internal, because it uses
> > uninitialited proxy->bar without checking. Looked closer, seems the
> > virtio 1.0 notification memory region isn't wired up yet ...
>
> Oh, looking at the stacktrace again I see vhost in there, which IIRC
> isn't ready yet. Turned off vhost -- things are working nicely.
>
> cheers,
> Gerd
yes - merely need to propage the new feature bit
in both directions.