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Multiple X540-At2 cards cause Software semaphore SMBI between device drivers not granted. #26

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Multiple X540-At2 cards cause Software semaphore SMBI between device drivers not granted.#26
@damianb123

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@damianb123
damianb123
opened on Jul 13, 2025

Hello,

When I try to use two of the X540-AT2 cards one system, I get the SMBI semaphore error in the system logs and unable to use the cards. Any idea on how to overcome that?

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