Message ID | 20180205093941.21058-1-dgilbert@redhat.com |
---|---|
State | New |
Headers | show |
Series | migration: Recover block devices if failure in device state | expand |
On Mon, Feb 05, 2018 at 09:39:41AM +0000, Dr. David Alan Gilbert (git) wrote: > From: "Dr. David Alan Gilbert" <dgilbert@redhat.com> > > In e91d895 I added the new pause-before-switchover mechanism > to allow migration completion to be delayed; this changes the > last state prior to completion to MIGRATE_STATUS_DEVICE rather > than MIGRATE_STATUS_ACTIVE. > > Fix the failure path in migration_completion to recover the block > devices if it fails in MIGRATE_STATUS_DEVICE, not just the > MIGRATE_STATUS_ACTIVE that it previously had. > > This corresponds to rh bz: > https://bugzilla.redhat.com/show_bug.cgi?id=1538494 > whose symptom is an occasional source crash on a failed migration. > > Fixes: e91d8951d59d483f085f > Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
diff --git a/migration/migration.c b/migration/migration.c index c99a4e62d7..a5e8bb4a78 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -2122,7 +2122,8 @@ fail_invalidate: /* If not doing postcopy, vm_start() will be called: let's regain * control on images. */ - if (s->state == MIGRATION_STATUS_ACTIVE) { + if (s->state == MIGRATION_STATUS_ACTIVE || + s->state == MIGRATION_STATUS_DEVICE) { Error *local_err = NULL; qemu_mutex_lock_iothread();