From d5ec27a424a014ea74fe36e3b9cea47b38195ada Mon Sep 17 00:00:00 2001 From: Colin Watson Date: Mon, 30 Jul 2018 12:37:22 +0100 Subject: [PATCH] tests: Disable sercon in SeaBIOS SeaBIOS 1.11.0 added support for VGA emulation over a serial port, which interferes with grub-shell. Turn it off. Signed-off-by: Colin Watson Reviewed-by: Daniel Kiper --- tests/util/grub-shell.in | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tests/util/grub-shell.in b/tests/util/grub-shell.in index d690d6734..93e9f5148 100644 --- a/tests/util/grub-shell.in +++ b/tests/util/grub-shell.in @@ -369,6 +369,13 @@ test -z "$debug" || echo "GRUB ROM directory: ${rom_directory}" >&2 if test -z "$debug"; then qemuopts="${qemuopts} -nographic -monitor file:/dev/null" + # SeaBIOS 1.11.0 added support for VGA emulation over a serial port. If + # this is configured in SeaBIOS, then -nographic causes some extra junk to + # end up on the serial console, which interferes with our tests. This + # workaround unfortunately causes qemu to issue a warning 'externally + # provided fw_cfg item names should be prefixed with "opt/"', but there + # doesn't seem to be a better option. + qemuopts="${qemuopts} -fw_cfg name=etc/sercon-port,string=0" fi if [ x$boot != xnet ] && [ x$boot != xemu ]; then