Bug#585955: Same problem here

[Michel Dänzer]

On Mit, 2010-07-07 at 00:43 +0300, Sami Liedes wrote: 
> Same problem here; with KMS enabled, cursor is a white square after
> KDM started, display otherwise black. Trying to change to a text
> console hangs the display, with these messages in Xorg.log.0:
> 
> ------------------------------------------------------------
> Output DFP2 disable success
> Blank CRTC 0 success
> Disable CRTC 0 success
> Blank CRTC 1 success
> Disable CRTC 1 success
> (II) RADEON(0): RADEONRestoreMemMapRegisters() : 
> (II) RADEON(0):   MC_FB_LOCATION   : 0x000f0000 0x00df00d0
> (II) RADEON(0):   MC_AGP_LOCATION  : 0x0003ffff
> (EE) RADEON(0): Timeout trying to update memory controller settings !
> (EE) RADEON(0): You will probably crash now ... 
> (EE) RADEON(0): Timeout trying to update memory controller settings !
> (EE) RADEON(0): You will probably crash now ... 
> (EE) RADEON(0): Timeout trying to update memory controller settings !
> (EE) RADEON(0): You will probably crash now ... 
> ------------------------------------------------------------

[...]

> (EE) RADEON(0): [dri] RADEONDRIGetVersion failed because of a version mismatch.
> [dri] This chipset requires a kernel module version of 1.17.0,
> [dri] but the kernel reports a version of 2.3.0.[dri] If using legacy modesetting, upgrade your kernel.
> [dri] If using kernel modesetting, make sure your module is
> [dri] loaded prior to starting X, [...]

Have you tried following this advice, in particular the part about
loading the radeon kernel module before starting X?


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer