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Hi All, I just got a P100, and although it appears to work, i cant quite get gemma4 to run on it properly.

My setup is:

  • Ubuntu 22.04 VM
  • PCI passthrough the GPU (Connected via thunderbolt) (I know this is unideal, and I might try cut this out later)
  • Nvidia 580 driver installed.
  • llama.cpp built from source, with cuda enabled.

I got some mostly normal output from qwen, but whenever I try to load gemma4 I get a lot of <unused49><unused49><unused49><unused49>. I did have it briefly working, no idea what changed, but reboot and its back to unused spam.

Anyone hit this before? Ideas on what I should try change?

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[-] luthis 2 points 2 weeks ago

Definitely does not require only GUI.

[-] CameronDev@programming.dev 1 points 2 weeks ago

I'll have another go, but the install instructions didn't work well on 2204.

The apt method doesnt work, they don't seem to have a 2204 repo, and the snap method started to download gnome...

[-] CameronDev@programming.dev 1 points 2 weeks ago

Building it from source was pretty fruitless, the cmake scripts give a version error despite having an "accepted" cmake version. Upgrading got me further, but still failed to build.

Increasing the system memory works, so I'm happy for now.

this post was submitted on 23 Aug 2026
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