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authorDr. David Alan Gilbert <dgilbert@redhat.com>2016-02-22 17:17:32 +0000
committerGerd Hoffmann <kraxel@redhat.com>2016-02-23 12:05:02 +0100
commitb82fc321bf02aaceea0beb4dfabb4ca86a9a5ff6 (patch)
tree1fb20198c649bbfba261fc60eec192e69fcf03d1 /ui/spice-core.c
parent22672a3798f1d705c2b1e14a246efd4a8e4bc661 (diff)
downloadfocaccia-qemu-b82fc321bf02aaceea0beb4dfabb4ca86a9a5ff6.tar.gz
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Postcopy+spice: Pass spice migration data earlier
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 <dgilbert@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1456161452-25318-1-git-send-email-dgilbert@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'ui/spice-core.c')
-rw-r--r--ui/spice-core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ui/spice-core.c b/ui/spice-core.c
index 5abec1721a..a68a665a9a 100644
--- a/ui/spice-core.c
+++ b/ui/spice-core.c
@@ -573,7 +573,8 @@ static void migration_state_notifier(Notifier *notifier, void *data)
 
     if (migration_in_setup(s)) {
         spice_server_migrate_start(spice_server);
-    } else if (migration_has_finished(s)) {
+    } else if (migration_has_finished(s) ||
+               migration_in_postcopy_after_devices(s)) {
         spice_server_migrate_end(spice_server, true);
         spice_have_target_host = false;
     } else if (migration_has_failed(s)) {