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this post was submitted on 30 Aug 2023
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Oh wow the comments on Phoronix for this one are bonkers.
From what I understand (because it wasn't clear to me from either of the TLDRs posted here) Nvidia's proprietary graphics driver has been calling parts of the kernel that they shouldn't be, because their driver is closed source.
These seem to be parts of the kernel that another company may own patents to, but has only licensed it to the kernel for free use with GPL open source code only, i.e. closed source/proprietary code is not allowed to use it.
Nvidia seems to have open sourced a tiny communication shim to try and bypass this restriction, so their closed source driver talks to the shim, and the shim talks to the restricted code in the kernel, that Nvidia does not have a license to use. This is a DMCA violation, hence why the Kernel devs are putting in preventions to block the shim, as far as I can see.
I don't understand the small minority of commenters there defending a la soulless corp Nvidia, who is blatantly in the wrong here. Some commenters have gone as far as to call the Linux kernel maintainers "zealots", would not be surprised if they are alts for Nvidia devs...
Edit: typo
Just a perspective on why people would support NVIDIA here:
They don't believe in copyright law so they don't mind whoever infringe on them. Especially since here it would make the proprietary driver work better.
They do care about copyright law but think having a working driver outweighs respecting them.
Not my opinion here just saying that for some people usability trumps any other aspects.
Also, some of us are using Nvidia because we rely on software that doesn't work on AMD. I really enjoy using Linux, but if it's going to make my life difficult I'll go back to using Windows with WSL.
I agree Nvidia should resolve the licensing issues, but man GPL zealots get a such a raging hard-on for anything Nvidia related it's funny to watch.
Which software?
3D rendering software using iRay. I've started trying to learn Blender, but I've still got thousands spent on assets and hardware which means I'm not going to run out tomorrow and pickup a new card. It all works fine under Wine, but the amount of Nvidia hate on here is just tiring.
So you use iRay as the rendering engine for Blender? And (I'm assuming a lot here) iRay doesn't use CUDA, OpenCL etc, but straight talks to the GPU via graphics drivers, thus having hardware depency for nvidia GPU?