UoWPrint personal blog

Spoiling Linux Kernel with "sanctioned" code

printserver.ink 2 min read

Last year I've fixed a bug in Linux kernel OHCI (USB 1.1) stack , which rendered my old printer unreliable: OHCI adds artificial delay of 1ms for each USB transfer of send-read pattern, while my very old, host-based printer expects very tight timings and constant latency, like some kind of CnC machine.

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Software EngineeringSystems & Performance2026

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