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llama.cpp fix addresses DeepSeek V4 crashes and stalls

A user on Reddit has developed and shared a fix for issues encountered when running the DeepSeek V4 model with the llama.cpp software. The problems included long wait times between agentic coding turns and eventual crashes due to exceeding context limits, even when not actually reaching the model's maximum context window. The user's solution involves a proper sequence removal mechanism to handle diverged suffixes, which resolves both the stalling and crashing behaviors. AI

IMPACT Improves stability and performance for users running DeepSeek V4 locally.

RANK_REASON User-developed fix for an open-source LLM inference engine.

Read on r/LocalLLaMA →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

llama.cpp fix addresses DeepSeek V4 crashes and stalls

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0 / 100
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Newsworthiness bucket
Tool
User-developed fix for an open-source LLM inference engine.
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Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
infra, model release
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High
Clearly on-topic for AI-industry coverage.
Story freshness
125 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

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COVERAGE [1]

  1. r/LocalLLaMA TIER_1 English(EN) · /u/HockeyDadNinja ·

    llama.cpp fix for DeepSeek V4 Flash crash and stall

    <!-- SC_OFF --><div class="md"><p>Hey all, I've been working with DSV4 on my Frankenstein rig (5-GPU box: 2x3090 + 5060 Ti + 2x4060 Ti, 96 GiB VRAM, 125 GiB DDR4) doing agentic coding with pi and ran into some serious issues. After much work I submitted an issue and have a fork w…