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Re: [Qemu-block] [PATCH v2 3/3] iotests: add dirty bitmap migration test

From: Kevin Wolf
Subject: Re: [Qemu-block] [PATCH v2 3/3] iotests: add dirty bitmap migration test
Date: Fri, 22 Dec 2017 14:43:44 +0100
User-agent: Mutt/1.9.1 (2017-09-22)

Am 12.12.2017 um 17:04 hat Vladimir Sementsov-Ogievskiy geschrieben:
> The test creates two vms (vm_a, vm_b), create dirty bitmap in
> the first one, do several writes to corresponding device and
> then migrate vm_a to vm_b with dirty bitmaps.
> For now, only migration through shared storage for persistent
> bitmaps is available, so it is tested here. Only offline variant
> is tested for now (a kind of suspend-resume), as it is needed
> to test that this case is successfully fixed by recent patch.
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> Reviewed-by: John Snow <address@hidden>

> [...]
> +        self.vm_b.launch()
> +        self.vm_b.event_wait("RESUME", timeout=10.0)

Wasn't this racy because the RESUME event may be sent before we connect
to the socket?


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