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[PULL,01/15] migration: report an error giving the failed field

Message ID 1476458903-7888-2-git-send-email-quintela@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Juan Quintela Oct. 14, 2016, 3:28 p.m. UTC 
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

When a field fails to load (typically due to a limit
check, or a call to a get/put) report the device and field
to give an indication of the cause.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/vmstate.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/migration/vmstate.c b/migration/vmstate.c
index fc29acf..1d637b2 100644
--- a/migration/vmstate.c
+++ b/migration/vmstate.c
@@ -130,6 +130,8 @@  int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
                 }
                 if (ret < 0) {
                     qemu_file_set_error(f, ret);
+                    error_report("Failed to load %s:%s", vmsd->name,
+                                 field->name);
                     trace_vmstate_load_field_error(field->name, ret);
                     return ret;
                 }