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Boorish Id
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Joined: 26 Nov 2004
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PostPosted: Fri Mar 04, 2005 7:57 pm    Post subject: Strange ATI problem Reply with quote

Ever since i set up Gentoo i have been strugling to get my Radeon 7200 to work. Well i got it working today WOOHOO! im so happy, but i was wondering if someone could tell me why it wasn't working, i still dont understand why. Ok so i was trying to compile agpgart, ati-chipset, and via-chipset support into kernel 2.6.10, for the life of me i couldnt get the card to work Xorg was always saying agpgart initilazation failed and glxinfo retunred null to me. So today i recompiled my kernel with ATI support as modular instead of built in threw all the modules i needed for it into modules.autoload.d and everything appears to be working beautifuly! But why is my box insiting on the card being loaded as modules instead of in the kernel?
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olivertheredx
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Joined: 04 Mar 2005
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PostPosted: Fri Mar 04, 2005 9:50 pm    Post subject: Reply with quote

It could be that the ati-drivers needed something that wasn't built into the kernel. Compiling as a module allowed the dependant modules or systems to be loaded before the ati driver was loaded.

As a rule of thumb I always compile as a module unless I need the driver to at boot time (e.g. my IDE chipset is compiled into the kernel not as a module).

You can compile more-or-less everything as a module and load some of them as part of the boot process, but that's more trouble that it's worth.
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MasterX
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Joined: 26 Jun 2003
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PostPosted: Fri Mar 04, 2005 10:48 pm    Post subject: Re: Strange ATI problem Reply with quote

Boorish Id wrote:
Ever since i set up Gentoo i have been strugling to get my Radeon 7200 to work. Well i got it working today WOOHOO! im so happy, but i was wondering if someone could tell me why it wasn't working, i still dont understand why. Ok so i was trying to compile agpgart, ati-chipset, and via-chipset support into kernel 2.6.10, for the life of me i couldnt get the card to work Xorg was always saying agpgart initilazation failed and glxinfo retunred null to me. So today i recompiled my kernel with ATI support as modular instead of built in threw all the modules i needed for it into modules.autoload.d and everything appears to be working beautifuly! But why is my box insiting on the card being loaded as modules instead of in the kernel?


Because you need to load the drivers in a certain order. First you need to load the agp-bridge, then the agp and finally the radeon module.
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