We weren't properly initializing the monitor fd value in the VM definition structure. If qemu failed to start up, this could lead to closing stdin, which made all sorts of poo hit the fan. The attached patch fixes this. diff --git a/src/domain_conf.c b/src/domain_conf.c index e46bf43..622665c 100644 --- a/src/domain_conf.c +++ b/src/domain_conf.c @@ -504,6 +504,7 @@ virDomainObjPtr virDomainAssignDef(virConnectPtr conn, domain->state = VIR_DOMAIN_SHUTOFF; domain->def = def; domain->monitor_watch = -1; + domain->monitor = -1; if (VIR_REALLOC_N(doms->objs, doms->count + 1) < 0) { virReportOOMError(conn);