no video memory /proc/mtrr

[Tony Pursell]

On Sat, 2011-06-25 at 00:39 +0800, Earthson wrote:
> I've installed the new ati driver 11.6, and problems still(I've tried
> 11.4 before).
> 
> 
> Here are some infomation
> 
> 
> $ lspci -v
> 
> 
> 02:00.0 VGA compatible controller: ATI Technologies Inc Mobility
> Radeon HD 3600 Series (prog-if 00 [VGA controller])
> Subsystem: Device 7377:0102
> Flags: bus master, fast devsel, latency 0, IRQ 67
> Memory at c0000000 (64-bit, prefetchable) [size=256M]
> Memory at ff5f0000 (64-bit, non-prefetchable) [size=64K]
> I/O ports at b000 [size=256]
> Expansion ROM at ff5c0000 [disabled] [size=128K]
> Capabilities: <access denied>
> Kernel driver in use: fglrx_pci
                        ^^^^^^^^^ needs radeon
> Kernel modules: fglrx, radeon
                  ^^^^^ remove 


> 
> 
> 
> 
> $ cat /proc/mtrr
> 
> 
> reg00: base=0x000000000 (    0MB), size= 2048MB, count=1: write-back
> reg01: base=0x080000000 ( 2048MB), size=  512MB, count=1: write-back
> 
> 
> $ fglrxinfo
> 
> 
> display: :0.0  screen: 0
> OpenGL vendor string: ATI Technologies Inc.
> OpenGL renderer string: ATI Radeon HD 3600 Series      
> OpenGL version string: 3.3.10834 Compatibility Profile Context
> 
> 
> 
> 
> when I run glxgears, only a black window come, no gears, It may be
> problems that no video memory can use? I'm not sure...
> 
> -- 
> 
> 
>                                     这个世界不会因为没有你而失去什么
> 但是，却有可能因为你的存在而发生一些改变。。
> 

Are you trying to run Unity?  If you are, then completely remove the
fglrx driver so the kernel is using radeon only.