x11: mystery solved, workaround implemented: remove S40xorg

README.adoc

@@ -2258,8 +2258,6 @@ For example, when porting a benchmark to Buildroot, you can first use QEMU's KVM
 
 == X11
 
-Only tested successfully in `x86_64`. Requires <<graphic-mode>>.
-
 Build and run:
 
 ....
@@ -2267,10 +2265,6 @@ Build and run:
 ./run -x
 ....
 
-Before updating Buildroot to 2018.05, this is what happened:
-
-We don't build X11 by default because it takes a considerable amount of time (about 20%), and is not expected to be used by most users: you need to pass the `-x` flag to enable it.
-
 Inside QEMU:
 
 ....
@@ -2286,10 +2280,20 @@ xeyes
 
 image:x11.png[image]
 
+We don't build X11 by default because it takes a considerable amount of time (about 20%), and is not expected to be used by most users: you need to pass the `-x` flag to enable it.
+
 More details: https://unix.stackexchange.com/questions/70931/how-to-install-x11-on-my-own-linux-buildroot-system/306116#306116
 
 Not sure how well that graphics stack represents real systems, but if it does it would be a good way to understand how it works.
 
+To x11 packages have an `xserver` prefix as in:
+
+....
+./build -b br2/x11 -- xserver_xorg-server-reconfigure
+....
+
+the easiest way to find them out is to just list `out/x86_64/buildroot/build/x*`.
+
 TODO as of: c2696c978d6ca88e8b8599c92b1beeda80eb62b2 I noticed that `startx` leads to a <<bug_on>>:
 
 ....