Friday, August 21, 2026

NVIDIA GPU Xid 79 Lost Bus Connection Issue - Fixed It Appears

I didn't want to, but I finally disconnected the server, brought it onto the table and pulled the card. I did a full vacuum to get all dust out, and re-seated the card. There was only a single XPCI16 slot, so the card had to go back precisely where it was.

So to recap:

  1. New BIOS 
  2. New Drivers
  3. Re-seated the card

So far, so good! We are calling Ollama models and when the run is finished, the server quiets down and patiently waits for its next call. 

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It Does Seem that AI LLMs Have "Bad Days"

My coding assistant seems to have been having a very very bad day. Not sure why, and I have never seen this behavior before. But this is why...