grub-reboot selects the submenu's first menuentry (title is "1>0") rather than ktest's menuentry (title is "2") by mistake.
=== $ sudo cat /boot/grub/grub.cfg | grep -E "^menuentry|^submenu" ... menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option '...' { ... submenu 'Advanced options for Ubuntu' $menuentry_id_option '...' { ... menuentry 'ktest' { ... === Correct it by taking submenu entries into account in get_grub2_index(). Signed-off-by: Satoru Takeuchi <satoru.takeu...@gmail.com> --- tools/testing/ktest/ktest.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl index 0c8b61f..6cf135a 100755 --- a/tools/testing/ktest/ktest.pl +++ b/tools/testing/ktest/ktest.pl @@ -1821,7 +1821,7 @@ sub get_grub2_index { $grub_number++; $found = 1; last; - } elsif (/^menuentry\s/) { + } elsif (/^menuentry\s|^submenu\s/) { $grub_number++; } } -- 2.7.4