boot.expect: sleep more, for gl-ar750

the bootloader on gl-ar750 loses characters if we shovel them too fast

boot.expect

@@ -15,6 +15,7 @@ proc waitprompt { } {
 
 proc sendline { line } {
      send "$line; echo \$ready \r"
+     sleep 0.1
 }
 
 log_user 0
@@ -22,7 +23,10 @@ log_file -a -open stderr
 
 set f [open "result/boot.scr"]
 
-send "setenv ready REA\rsetenv ready \${ready}DY\r"
+send "setenv ready REA\r"
+sleep 0.1
+send "setenv ready \${ready}DY\r"
+sleep 0.1
 
 set timeout 300
 expect_before timeout abort

devices/belkin-rt3200/default.nix

@@ -7,12 +7,6 @@
     and is mostly feature-complete in Liminix but as of Dec 2024
     has seen very little actual use.
 
-    .. note:: The factory flash image contains ECC errors that make it
-              incompatible with Liminix: use the `OpenWrt
-              UBI Installer <https://github.com/dangowrt/owrt-ubi-installer>`_ to
-              rewrite the partition layout before you can use
-              Liminix with it
-
     Hardware summary
     ================
 
@@ -38,9 +32,16 @@
     To prepare the device for Liminix you first need to use the
     `OpenWrt UBI Installer
     <https://github.com/dangowrt/owrt-ubi-installer>`_ image to
-    rewrite the flash layout. You can do this in one of two ways:
+    rewrite the flash layout. As of Jan 2025 there are two versions
+    of the installer available: the release version 1.0.2 and the
+    pre-release 1.1.3 and for Liminix you nee the pre-relese.
+    The release version of the installer creates UBI volumes
+    according to an older layout that is not compatible with
+    the Linux 6.6.67 kernel used in Liminix.
+
+    You can run the installer in one of two ways:
     either follow the instructions to do it through the vendor web
-    interface, or you can drop to U-boot and use TFTP
+    interface, or you can drop to U-Boot and use TFTP
 
     .. code-block:: console