When using an incorrect backend for the debugcon, QEMU exits silently
without any error indication, which is confusing.
Add a message that the character backend is invalid.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <
20181011171254.32428-1-philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
QemuOpts *opts;
if (!qemu_chr_new_mux_mon("debugcon", devname)) {
+ error_report("invalid character backend '%s'", devname);
exit(1);
}
opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);