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Advanced users • Re: using a 2nd SD card on the PI4 blocks all IO when using bcm2835-sdhost.c

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Do you have a reproducer that explodes on the the "IO blocked" condition? It can be anything with a measurable result (e.g. toggling GPIOs from userspace gets slower, or UART TX throughput stalls).

Statistics: Posted by jdb — Thu Jan 02, 2025 9:02 pm



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