Mailinglist Archive: radeonhd (288 mails)

["David C. Rankin" <drankinatty@xxxxxxxxxxxxxxxxxx>]

Matthias Hopf wrote:
> On Jun 30, 09 08:08:47 +0200, Rafał Miłecki wrote:
> > 2009/6/30 David C. Rankin <drankinatty@xxxxxxxxxxxxxxxxxx>:
> > >        Before I royally screw up my openSuSE 11.0/fglrx install, will I 
> > > have trouble with library conflicts after installing the radeonhd driver 
> > > along side the fgrlx driver? I wouldn't think so. Normally, switching 
> > > between radeon and fglrx is just a matter of xorg.conf and 
> > > loading/unloading the drivers. Anything special about the radeonhd driver??
>
> Using radeonhd when the fglrx module has *ever* been loaded during
> boottime is unsupported, and the driver will probably fail to present a
> reasonable image. Unloading the module is *not* enough.

Matthias, it's not that bad :-)  If you load both and you are configured to use
the radeonhd driver in xorg.conf -- you get a "white" screen. However, clicking
around on the white screen you can see your menu and window outlines. You can
also either alt+f2 "halt" or ctrl+alt+backspace to drop to the console. It was
rather interesting.

> That typically means that you have to deinstall the fglrx kernel module
> in order to use radeon/radeonhd. Because the fglrx module might be
> loaded in front.

Yes, it tries to load in front. I just blacklisted it in 
/etc/modprobe.d/blacklist.

I am still working to get the radeonhd to run on openSuSE 11.0 (I haven't had
time in the past couple of days to work with it) But, sax2 does not allow me to
configure it even with sax2 -r -m 0=radeonhd. sax2 fails to start the driver
for configuration.


I will try again later today time permitting.

> 3D apps use different libGL. Depending on your distribution, the libGL
> might be located in different locations, so the wrong one could be
> loaded (can be workarounded with LD_LIBRARY_PATH), or the other library
> is overwritten (cannot be workarounded).
>
> BTW, this is a FAQ.
>
> Matthias


Thanks, I'll search for the FAQ



-- 
David C. Rankin, J.D.,P.E.
Rankin Law Firm, PLLC
510 Ochiltree Street
Nacogdoches, Texas 75961
Telephone: (936) 715-9333
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www.rankinlawfirm.com
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