[OSSTEST PATCH] Debian grub2 config: set TERMINAL to 'serial console'

[OSSTEST PATCH] Debian grub2 config: set TERMINAL to 'serial console'

[Ian Jackson]

It is usually useful to enable the BIOS option `continue redirection
after boot', where provided.  This shows messages from pxelinux etc.

But this can breaks serial access for grub, depending on the host.
(This is true on the noblings, for example.)

Using TERMINAL='serial console' provides the output to both (and would
take input from whichever presses a key).

Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
---
 Osstest/Debian.pm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Osstest/Debian.pm b/Osstest/Debian.pm
index acc4618..4155056 100644
--- a/Osstest/Debian.pm
+++ b/Osstest/Debian.pm
@@ -600,6 +600,9 @@ END
         target_editfile_root($ho, '/etc/default/grub', sub {
             my %k;
             while (<::EI>) {
+		# some bioses block the serial still so we try vga too
+		s/^(GRUB_TERMINAL=)(['"]?)serial\2\s*$/$1'serial console'\n/;
+
                 if (m/^\s*([A-Z_]+)\s*\=\s*(.*?)\s*$/) {
                     my ($k,$v) = ($1,$2);
                     $v =~ s/^\s*([\'\"])(.*)\1\s*$/$2/;
-- 
2.1.4


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