[CentOS] CentOs 6.4 and video drivers

On 12/03/13 17:24, Trevor Cooper wrote:
>
> On 03/11/2013 10:14 PM, Ned Slider wrote:
>> On 11/03/13 21:58, Trevor Cooper wrote:
>>> On 03/10/2013 03:45 AM, Ned Slider wrote:
>>>> On 10/03/13 01:24, Yves Bellefeuille wrote:
>>>>> Akemi Yagi wrote:
>>>>>
>>>>>> Depend on how "new" your card is. :)
>>>>> HD 4800 series, RV770
>>>>>
>>>>>     >  More details are in this ELRepo bug report:
>>>>>>     http://elrepo.org/bugs/view.php?id=355
>>>>> So I guess I should try enabling the testing repository. Thanks.
>>>>>
>>>>> Yves Bellefeuille
>>>>>
>>>>>
>>>> Unfortunately older Radeon HD 4000, HD 3000, HD 2000 Series are NOT
>>>> currently supported as the current AMD driver does NOT support the new
>>>> version of Xorg in 6.4.
>>>>
>>>> So your HD 4800 series is NOT supported.
>>>>
>>>> Radeon HD 7000, HD 6000, HD 5000 Series ARE supported by the version
>>>> 13.1 driver currently in the testing repo. I've had a couple of reports
>>>> that this driver works so I'll move it to the main repo shortly. If you
>>>> have supporting hardware I would recommend updating to this driver
>>>> before performing the 6.4 update.
>>> I've read the Known Issues in the C64 Release Notes.
>>>
>>> Any thoughts on whether it's sufficient to 'exclude=xorg*' prior to updating
>>> from 6.3 to 6.4 to keep the X server compatible with AMD 4xxx series
>>> card/driver? Will I be the first to try this?
>>>
>> Yes that works fine, but you also need to exclude mesa* too for the
>> upgrade. You're not the first to try this, at least one user I know has
>> downgraded xorg*, mesa* after a failed update to get things working
>> again so it's a confirmed option.
>
> That's interesting.
>
> A downgrade of xorg-x11* worked for me WITHOUT a downgrade of mesa*.
>
> fglrxinfo and fgl_glxgears work fine for me.
>
> [root ~]# fglrxinfo
> display: :0.0  screen: 0
> OpenGL vendor string: Advanced Micro Devices, Inc.
> OpenGL renderer string: ATI Radeon HD 4800 Series
> OpenGL version string: 3.3.11631 Compatibility Profile Context
>
> How would I know that upgrading mesa* had caused a problem? For example,
> glxinfo, glxgears (which depend on libGLU.so.1) work fine.
>
> The update upgraded the following mesa packages...
>
> mesa-dri-drivers     x86_64  7.11-5.el6  ->  9.0-0.7.el6
> mesa-libGL           x86_64  7.11-5.el6  ->  9.0-0.7.el6
> mesa-libGL-devel     x86_64  7.11-5.el6  ->  9.0-0.7.el6
> mesa-libGLU          x86_64  7.11-5.el6  ->  9.0-0.7.el6
> mesa-libGLU-devel    x86_64  7.11-5.el6  ->  9.0-0.7.el6
> mesa-libOSMesa       x86_64  7.11-5.el6  ->  9.0-0.7.el6
> mesa-libOSMesa-devel x86_64  7.11-5.el6  ->  9.0-0.7.el6
>
> ...easy enough to downgrade now that I know how but do I need to?
>
> Thanks,
>
> Trevor
>

I guess not, if it's not causing you an issue.

It might be that the new xorg needs the new mesa packages, but the old 
xog is equally happy to run with the new or old mesa packages. So 
apologies for the apparent misinformation :-)