All "normal" system emulation targets in qemu I'm aware of display output on either VGA or serial output.
Our S390x virtio machine doesn't have such kind of legacy hardware. So instead we need to default to a virtio console. Signed-off-by: Gerd Hoffmann <kra...@redhat.com> --- vl.c | 11 ++++++++++- 1 files changed, 10 insertions(+), 1 deletions(-) diff --git a/vl.c b/vl.c index 298ac73..98374c8 100644 --- a/vl.c +++ b/vl.c @@ -268,9 +268,14 @@ uint8_t qemu_uuid[16]; static QEMUBootSetHandler *boot_set_handler; static void *boot_set_opaque; +#ifdef TARGET_S390X +static int default_serial = 0; +static int default_virtcon = 1; +#else static int default_serial = 1; +static int default_virtcon = 0; +#endif static int default_parallel = 1; -static int default_virtcon = 1; static int default_monitor = 1; static int default_vga = 1; static int default_drive = 1; @@ -5638,9 +5643,13 @@ int main(int argc, char **argv, char **envp) add_device_config(DEV_PARALLEL, "null"); if (default_serial && default_monitor) { add_device_config(DEV_SERIAL, "mon:stdio"); + } else if (default_virtcon && default_monitor) { + add_device_config(DEV_VIRTCON, "mon:stdio"); } else { if (default_serial) add_device_config(DEV_SERIAL, "stdio"); + if (default_virtcon) + add_device_config(DEV_VIRTCON, "stdio"); if (default_monitor) monitor_parse("stdio", "readline"); } -- 1.6.5.2