As we only read the serial console, we don't need to force a
VGA display. This fixes when running a binary built with
--without-default-devices:

  ERROR: qemu-system-alpha: standard VGA not available

We also need the '-nodefaults' argument to avoid:

  ERROR: qemu-system-alpha: Unsupported NIC model: e1000

Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200129212345.20547-27-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 tests/acceptance/boot_linux_console.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/acceptance/boot_linux_console.py b/tests/acceptance/boot_linux_console.py
index a6ce917e45..34d37eba3b 100644
--- a/tests/acceptance/boot_linux_console.py
+++ b/tests/acceptance/boot_linux_console.py
@@ -541,7 +541,7 @@ class BootLinuxConsole(Test):
 
         self.vm.set_console()
         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
-        self.vm.add_args('-vga', 'std',
+        self.vm.add_args('-nodefaults',
                          '-kernel', uncompressed_kernel,
                          '-append', kernel_command_line)
         self.vm.launch()
-- 
2.21.1