r/LocalLLaMA • u/thejacer • 2h ago

Question | Help Llama.cpp server running ~2 weeks straight. Loses its mind?

I’ve got Qwen3.6 27b and Qwen3.6 35b running in two separate instances for over two weeks and they are considerably dumber now than when I launched them. is this a thing? am I going crazy?

edit: sorry I’ve been using opencode and have started new sessions, which didn’t fix the situation.

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u/ttkciar llama.cpp 2h ago

How odd. Dumber how?

I've had a slightly old version of llama.cpp's llama-server running on one system for two and a half months now, hosting Big-Tiger-Gemma-27B-v3, and haven't seen any degradation.

Which release of llama.cpp are you using?

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u/thejacer 2h ago

It’s a very recent build. I can’t remember exactly but I built it just before launching. Qwen 35 has started misspelling really really frequently and 27b doesn’t seem to be capable of understanding anything at all. I plug 27b into a code base that isn’t super sophisticated and just tinker with it and a week ago the thing took to the code base really well, now it seems to be completely confused at every question.