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authorRao, Lei <lei.rao@intel.com>2021-11-11 10:11:33 +0800
committerJuan Quintela <quintela@redhat.com>2021-12-15 10:31:42 +0100
commit795969ab1fe6d5a0f524be92e2e1ecd13f1873eb (patch)
treeb83ac36b95c6dd809d0a01e983ec7221c2bd4f05 /migration/migration.c
parent0e0f0479e28c6c1a1d024b2e5200cade479d6901 (diff)
Fixed a QEMU hang when guest poweroff in COLO mode
When the PVM guest poweroff, the COLO thread may wait a semaphore in colo_process_checkpoint().So, we should wake up the COLO thread before migration shutdown. Signed-off-by: Lei Rao <lei.rao@intel.com> Reviewed-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'migration/migration.c')
-rw-r--r--migration/migration.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/migration/migration.c b/migration/migration.c
index abaf6f9e3d..c0ab86e9a5 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -226,6 +226,12 @@ void migration_cancel(const Error *error)
void migration_shutdown(void)
{
/*
+ * When the QEMU main thread exit, the COLO thread
+ * may wait a semaphore. So, we should wakeup the
+ * COLO thread before migration shutdown.
+ */
+ colo_shutdown();
+ /*
* Cancel the current migration - that will (eventually)
* stop the migration using this structure
*/