offset and len can also be equal to 0 on failed if blockjob return status:"BLOCK_JOB_COMPLETED" with error:"File descriptor in bad state", so we need to check 'error' in this case. --- src/qemu/qemu_monitor_json.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c index e45868b..39c0909 100644 --- a/src/qemu/qemu_monitor_json.c +++ b/src/qemu/qemu_monitor_json.c @@ -886,7 +886,7 @@ qemuMonitorJSONHandleBlockJobImpl(qemuMonitorPtr mon, case VIR_DOMAIN_BLOCK_JOB_COMPLETED: error = virJSONValueObjectGetString(data, "error"); /* Make sure the whole device has been processed */ - if (offset != len) + if (offset != len || error) event = VIR_DOMAIN_BLOCK_JOB_FAILED; break; case VIR_DOMAIN_BLOCK_JOB_CANCELED: