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Re: [Qemu-devel] [PATCH 1/1] Postcopy+spice: Pass spice migration data e
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From: |
Amit Shah |
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Subject: |
Re: [Qemu-devel] [PATCH 1/1] Postcopy+spice: Pass spice migration data earlier |
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Date: |
Tue, 23 Feb 2016 13:56:54 +0530 |
On (Mon) 22 Feb 2016 [17:17:32], Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> Spice hooks the migration status changes to figure out when to
> transmit information to the new spice server; but the migration
> status in postcopy doesn't quite fit - the destination starts
> running before the end of the source migration.
>
> It's not a case of hanging off the migration status change to
> postcopy-active either, since that happens before we stop the
> guest CPU.
>
> Fix it by sending a notify just after sending the device state,
> and adding a flag that can be tested by the notify receiver.
>
> Symptom:
> spice handover doesn't work with the error:
> red_worker.c:11540:display_channel_wait_for_migrate_data: timeout
>
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>
Reviewed-by: Amit Shah <address@hidden>
Amit