On Wed, Jun 18, 2014 at 3:35 PM, Michael S. Tsirkin <m...@redhat.com> wrote:

> On Wed, Jun 18, 2014 at 02:41:15PM +0300, Nikolay Nikolaev wrote:
> >
> >
> >
> > On Wed, Jun 18, 2014 at 2:29 PM, Michael S. Tsirkin <m...@redhat.com>
> wrote:
> >
> >     On Wed, Jun 18, 2014 at 02:24:32PM +0300, Nikolay Nikolaev wrote:
> >     > Hello,
> >     >
> >     > On Wed, Jun 18, 2014 at 12:33 PM, Michael S. Tsirkin <
> m...@redhat.com>
> >     wrote:
> >     >
> >     >     Just a query whether migration works for you
> >     >     guys with vhost-user and snabbswitch.
> >     >
> >     >
> >     > I am not aware of anyone ever did such tests.
> >     >
> >     >
> >     >     vhost user code seems to have enough hooks in
> >     >     place to make it work, but was it tested
> >     >     in practice?
> >     >
> >     >
> >     >
> >     > Can you give some pointers of a simple/quick test scenario. Maybe
> we'll
> >     be able
> >     > to set it up.
> >
> >
> >     Basically migrate while doing networking :)
> >
> >     Does your vhost server have code to set bits in the memory log
> >     when logging is enabled?
> >
> >
> > No - we didn't implement this feature.
>
> Interesting. In that case vhost user should for now
> block migration.
>
Any place in the source where we can see example of similar behaviour?


> You must also check log feature and return failure.
>
Should this happen on the QEMU side? Is this the log feature of the device?

regards,
Nikolay Nikolaev


>
>
> >
> >     The log address is supplied to VHOST_SET_LOG_BASE and log_guest_addr.
> >
> >
> >     >
> >     >
> >     >     --
> >     >     MST
> >     >
> >     >
> >     > regards,
> >     > Nikolay Nikolaev
> >
> >
> > regards,
> > Nikolay Nikolaev
>

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