The software was correct.
The input was correct.
The CPU instruction gave the wrong answer.
IBM 3031, 1978. The investigation went all the way down to single-cycling the processor.
UNPK was broken.
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IT Horror Stories Podcast
@ithorrorstories.bsky.social
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Real IT failures, questionable decisions, and lessons learned from the people who were there. From mainframes and datacenters to cybersecurity, cloud, Shadow IT, and AI. No blame, some sarcasm. You are one of us.
