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Tagged “rocm”
The Media Models Were Never Actually Tested
6 August 2026 · 8 min · The Cortex Fleet #8
A routine capability audit turned up a model actively crash-looping, a wrong-model bug hiding behind a right-looking filename, a deployment missing two-thirds of its own pipeline, and generation parameters that were bein…
Chasing the qwen3 ROCm Ghost: Six Wrong Turns, a Fair Challenge, and Fixing 3 of 4 Models
5 August 2026 · 11 min
A two-day chase after a ROCm-only tool-calling corruption bug across the whole qwen3.x lineup: six hypotheses tested and killed, a production crash I caused and fixed, a real bug hiding in my own test harness, a collabor…
The Cortex Grows Senses: ROCm for LLMs, Multimodal In and Out, and Four New Agents
11 July 2026 · 11 min · The Cortex Fleet #6
Six weeks since the flux2-dev ROCm debugging saga, the fix turned out to generalize far past image generation. A tour of what shipped: ROCm for LLM serving, the broker's first multimodal-input feature, four new agent rol…
Why 512×512 Works But 1024×1024 Doesn't — Debugging Flux2-dev on a Ryzen AI Max 395+
1 June 2026 · 9 min · The Cortex Fleet #5
A two-day debugging session into why Flux2-dev generates 512×512 images fine but silently fails at 1024×1024 — Vulkan heap limits, GTT pools, IOMMU, and a GPU memory advisory call that makes buffers CPU-inaccessible at e…