Hi, we can confirm this issue on our systems (Debian 12) as well.
It appeared after updating the Kernel from 6.1.0-28-amd64 to 6.1.0-30-amd64.We experienced issues with the db requests that were not processed. Connecting to mariadb was still possible but some updates on tables got hung resulting in a locked tables. The issue is fully reproducible on multiple identical systems when updating to kernel 6.1.0.30 and it vanishes after booting with the old kernel 6.1.0.28.
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