initramfs: Try running setfont until it works

initramfs-tools/hooks/reform

@@ -21,6 +21,7 @@ fi
 
 copy_reform_font() {
   copy_exec /usr/bin/setfont
+  copy_exec /usr/bin/sleep
   copy_file Uni2-TerminusBold32x16 /usr/share/consolefonts/Uni2-TerminusBold32x16.psf.gz
 }
 

initramfs-tools/scripts/reform

@@ -4,6 +4,13 @@ case $1 in prereqs) exit 0 ;; esac
 
 . /scripts/functions
 
+try_set_font() {
+  for i in 1 2 3 4 5 6 7 8 9 0 ; do
+    setfont "$@" && break
+    sleep 1
+  done
+}
+
 MACHINE=
 if [ -e /etc/flash-kernel/machine ]; then
   MACHINE=$(cat /etc/flash-kernel/machine)
@@ -18,7 +25,7 @@ case $MACHINE in
     ;;
   "MNT Pocket Reform"*)
     for c in 1 2 3 4 5 6 7; do
-      setfont -C /dev/tty$c Uni2-TerminusBold32x16
+      try_set_font -C /dev/tty$c Uni2-TerminusBold32x16 &
     done
     ;;
 esac