Readme Update

git-svn-id: svn+ssh://svn-nitpicker.cl.cam.ac.uk/linpicker/trunk@209 88473608-6f18-0410-8b6c-91216bd3049c

1 files changed, 33 insertions, 0 deletions

diff --git a/README b/README
index eff2424..5b721f6 100644
--- a/README
+++ b/README
@@ -188,4 +188,37 @@ file, run "make begin-idl".  Then edit the IDL file.  Once done, run
 "make end-idl".  There is currently no equivalent for nitevent.idl,
 though one could be created using the existing Makefile as a model.
 
+-------------------------------------------------------------------------------
 
+                                   64 Bit Issues
+-------------------------------------------------------------------------------
+
+When you compile under 64 bit linux by default the installation diectory is wron for direct FB.  The complile and installation line for directFB changes to
+
+./configure  --prefix=/usr  --libdir=/usr/lib64
+
+Otherwise the code goes into the 32 bit library
+
+
+-------------------------------------------------------------------------------
+
+                                   Xen Issues
+-------------------------------------------------------------------------------
+
+It turns out that there are some tricks to posting command line kernal paramaters under xen.
+
+It turns out that the standard 
+
+title Fedora (2.6.23.15-137.fc8-fb)
+        root (hd0,0)
+        kernel /vmlinuz-2.6.23.15-137.fc8 ro root=/dev/VolGroup00/LogVol01 vesafb:ywrap,mtrr vga=0x312 rhgb quiet
+        initrd /initrd-2.6.23.15-137.fc8.img
+will not work unless you specify the vesafb in the right line for the boot so that you have to insert the information in the line labled kernel only.
+
+title Fedora (2.6.18.8-xen-fb)
+        root (hd0,0)
+        kernel /xen-3.2.gz console=vga vesa:ywrap,mtrr vga=ask
+        module /vmlinuz-2.6.18.8-xen ro root=/dev/VolGroup00/LogVol01 rhgb quiet
+        module /initrd-2.6.18.8-xen.img
+
+problem is setting the vga mode only works as ask.