diff --git a/README.adoc b/README.adoc
index a7dc3f6..5aa0b92 100644
--- a/README.adoc
+++ b/README.adoc
@@ -292,6 +292,39 @@ cat /dev/urandom > /dev/fb0
 
 https://stackoverflow.com/questions/50364863/how-to-get-graphical-gui-output-and-user-touch-keyboard-mouse-input-in-a-ful/50364864#50364864
 
+More concretely:
+
+....
+git checkout gem5-arm
+./build -aa -lg -K linux/arch/arm/configs/gem5_defconfig
+....
+
+and then on another shell:
+
+....
+vinagre localhost:5900
+....
+
+TODO: without the `-K` it fails even though we have added to link:kernel_config_fragment/default[] on the branch:
+
+....
+CONFIG_DRM=y
+CONFIG_DRM_HDLCD=y
+CONFIG_DRM_VIRT_ENCODER=y
+....
+
+so what other options are missing from `gem5_defconfig`? The failing dmesg is:
+
+....
+[    0.121078] [drm] found ARM HDLCD version r0p0
+[    0.121117] hdlcd 2b000000.hdlcd: bound virt-encoder (ops drm_vencoder_ops)
+[    0.121122] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
+[    0.121126] [drm] No driver support for vblank timestamp query.
+[    0.121156] hdlcd 2b000000.hdlcd: Failed to set initial hw configuration.
+[    0.121190] hdlcd 2b000000.hdlcd: master bind failed: -12
+[    0.121197] hdlcd: probe of 2b000000.hdlcd failed with error -12
+....
+
 === Automatic startup commands
 
 When debugging a module, it becomes tedious to wait for build and re-type: