Index: xen-4.0.0-testing/tools/ioemu-remote/hw/xen_console.c =================================================================== --- xen-4.0.0-testing.orig/tools/ioemu-remote/hw/xen_console.c +++ xen-4.0.0-testing/tools/ioemu-remote/hw/xen_console.c @@ -182,6 +182,7 @@ static int con_init(struct XenDevice *xe { struct XenConsole *con = container_of(xendev, struct XenConsole, xendev); char *type, *dom; + int retries = 0; /* setup */ dom = xs_get_domain_path(xenstore, con->xendev.dom); @@ -191,7 +192,11 @@ static int con_init(struct XenDevice *xe snprintf(con->console, sizeof(con->console), "%s/device/console/%d", dom, xendev->dev); free(dom); - type = xenstore_read_str(con->console, "type"); + while (!(type = xenstore_read_str(con->console, "type")) && retries < 5) { + usleep(250000); + retries++; + } + if (!type || 0 != strcmp(type, "ioemu")) { xen_be_printf(xendev, 1, "not for me (type=%s)\n", type); if (type)