Created attachment 95347 [details]
dmesg

It is my first bug report and i hope is good enough. 
After update mesa and driver from arch test repro, x freeze during start.

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

1)    Kernel-3.13.5-1-arch
2)    libdrm-2.4.52-1
3)    mesa 10.1.0-1
4)    Xorg-server-1.15.0-5
5)    xf86-video-ati-1:7.3.0-1
6)    glamor-egl-0.6.0-1
7)    LLVM-3.4-1
8)    ati-dri      10.1.0-1
System Configuration:
=====================


O.S.         : Arch (64 bit)