this post was submitted on 06 May 2024
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Update: I upgraded to Sid. Unfortunately, mesa-opencl-icd depends on libclc-17, which uninstalls -18. So I can't get OpenCL working while the correct libclc is installed.
No idea where to go from here. I'll probably restore my Bookworm snapshot, since I don't want to be on Sid if it doesn't solve this problem.
you ought to be able to specify the version to install of libclc after mesa-opencl-icd is installed, you could instead force the newer libclc 18 with dpkg. you can also create a vile mutant install by adding sid backports or repository to your perfectly fine stable install. here are some resources to help you destroy your system
e: i was hoping that last sentence would be clearly four links because of underlining but that's not working, here it is in cursed haiku format:
here are
some resources
to help you
destroy your system
IT WORKS NOW! I will need time to run additional tests, but the gist of my solution was:
Backport llvm-18 from sid following the guide you linked at https://wiki.debian.org/SimpleBackportCreation
After compiling and installing all those deb files, I then installed the "jammy" version of amdgpu-install_6.0.60002-1.deb from https://www.amd.com/en/support/linux-drivers
Downloaded the latest kernel sources from https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git, and simply copied all the files from its lib/firmware/amdgpu folder into my system's /lib/firmware/amdgpu. Got that idea from https://discussion.fedoraproject.org/t/amdgpu-doesnt-seem-to-function-with-navi-31-rx-7900-xtx/72647
sudo update-initramfs -u && sudo rebootI'm not totally sure it step 3 was sane or necessary. Perhaps the missing piece before that was that I needed to manually update my initramfs? I've tried like a million things at this point and my system is dirty, so I will probably roll back to my snapshot from before all of this and attempt to re-do it with the minimal steps, when I have time.
Anyway, I was able to run a real-world OpenCL benchmark, and it's crazy-fast compared to my old GTX 1080. Actually a bigger difference than I expected. Like 6x.
THANKS FOR THE HELP!
Hell yeah.
Congratulations!
Thanks for the links! I've never attempted making my own backport before. I'll give it a shot. I might also try re-upgrading to sid to see if I can wrangle it a little differently. Maybe I don't actually need mesa-opencl-ics if I'm installing AMD's installer afterwards anyway. At least, I found something to that effect in a different but similar discussion.