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Re: Getting Guix System to use llvmpipe

From: Philip McGrath
Subject: Re: Getting Guix System to use llvmpipe
Date: Wed, 13 Oct 2021 01:38:43 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0

On 10/12/21 4:09 PM, raingloom wrote:
Just a hunch but maybe you could blacklist the broken firmware on the
kernel command line arguments. I think it's something like
modprobe.blacklist=radeon,amdgpu? Sorry, I can't look into it more
right now, but that should give you some keywords to search for and
maybe find the proper docs.

Thanks! This turned out not to work (I think parts of the radeon driver that don't depend on firmware may be used somehow?), but it set me down a path of looking for places to block things. After quite a bit of experimentation, I arrived at:

          '("fbdev" "vesa"))))

I don't know that it's optimal, and it doesn't feel especially elegant, but it was enough to get X working just now!


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