Improve kernel regression handling.

roles/lmn_kde/tasks/main.yml

@@ -147,30 +147,18 @@
     firstmatch: true
   notify: Run update-grub
 
-## FIXME
-#- name: Grub timeout
-#  lineinfile:
-#    dest: /etc/default/grub
-#    line: 'GRUB_DISABLE_SUBMENU=true'
-#    insertafter: '^GRUB_TIMEOUT=.*'
-#  notify: Run update-grub
-#
-## then remove the task below:
-
-##  original line: echo "submenu '$(gettext_printf "Advanced options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"
-- name: Allow switch to advanced menu
-  replace:
-    path: /etc/grub.d/10_linux
-#    regexp: '^(\s+echo .+ \"Advanced options for %s\" \"\${OS}\" | grub_quote\).) (\\\$menuentry_id_option.+ {\")$'
-    regexp: '^(\s+echo \"submenu .+ \"Advanced options for %s\".+ grub_quote\).) (..menuentry_id_option.+{\")$'
-    replace: '\1 --unrestricted \2'
+- name: Disable Grub submenus
+  lineinfile:
+    dest: /etc/default/grub
+    line: 'GRUB_DISABLE_SUBMENU=true'
+    insertafter: '^GRUB_TIMEOUT=.*'
   notify: Run update-grub
 
 - name: Grub timeout
   lineinfile:
     dest: /etc/default/grub
     regexp: '^(GRUB_TIMEOUT=).*'
-    line: '\g<1>3'
+    line: '\g<1>1'
     backrefs: yes
   notify: Run update-grub