From: Philippe Mathieu-Daudé <phi...@redhat.com>
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 <phi...@redhat.com>
Message-Id: <20181011171254.32428-1-phi...@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com>
Signed-off-by: Markus Armbruster <arm...@redhat.com>
---
vl.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/vl.c b/vl.c
index 4e25c78bff..61305b5891 100644
--- a/vl.c
+++ b/vl.c
@@ -2466,6 +2466,7 @@ static int debugcon_parse(const char *devname)
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);
--
2.17.2
