Have you considered using the kmod packages from ELRepo?

Pat

On 02/16/2015 06:48 PM, Paul Hein wrote:
> Thank you Tony (and Alec). Reinstalling with an 'aticonfig --initial 
> -f' worked. Thank you! I would not have thought to do that.
> Paul
> On 02/16/2015 05:17 PM, Hoffmann, Tony wrote:
>> Did you try re-installing the catalyst driver?  Sometimes xorg 
>> updates overwrite things the proprietary driver install had put in 
>> place earlier.
>>
>>
>> Just grasping at straws here.
>>
>>
>> -----Original Message-----
>> From: [log in to unmask] 
>> [mailto:[log in to unmask]] On Behalf Of 
>> Paul Hein
>> Sent: February-16-15 3:31 PM
>> To: [log in to unmask]
>> Subject: AMD Catalyst Driver Broke
>>
>> The minor update to xorg-x11-server-common-1.15.0-25.1.sl6.x86_64 
>> broke the AMD Catalyst 14.12 (14.501.1003) graphics card driver.  It 
>> boots up just fine displaying everything but at the end we get a 
>> blank screen.
>> The terminal windows are not there either.  It is the latest version 
>> of the driver and I am not certain what to do.  The error message is
>> (EE) fglrx(0): atiddxDriScreenInit failed. Probably kernel module 
>> missing or incompatible.
>>
>> I tried to downgrade X11 rpms but it says "Only Upgrade available on 
>> package".
>>
>> The graphics card is XFX FX-775A-ZNP4 Radeon HD 7750 and it is in a 
>> Dell PowerEdge T110 II.  Any ideas on what I can do?  Thank you for 
>> your help.
>> Paul

-- 
Pat Riehecky
Scientific Linux developer

Fermi National Accelerator Laboratory
www.fnal.gov
www.scientificlinux.org