Created attachment 89018 [details]
xorg.log

Driver Stack Details:
=====================

1)    Kernel-3.11.0-12-generic
2)    drm-2.4.46
3)    Mesa-10.0.0-devel(git-6c6f4aa-11thNov)  
4)    Xorg-server-1.14.3
5)    xf86-video-ati- git
6)    glamor-0.5.1
7)    LLVM-3.3

System Configuration:
=====================

Asic         : Cape Veede Pro-683F
O.S.         : Ubuntu-13.10 (64 bit)

Observation:
============

Massive Desktop corruption observed on starting the Xserver.
Desktop becomes unusable as unable launch any application(Screenshot attached