[Bug 278316] Intel Atom S1200 (Centerton) serial UART not working

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 278316] Intel Atom S1200 (Centerton) serial UART not working"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 11 Apr 2024 23:00:57 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278316

--- Comment #3 from Henrich Hartzer <henrichhartzer@tuta.io> ---
From FreeBSD, dmesg also shows IRQ 16. But sysctl -a seems to say that IRQ 32
is in use for the uart. I've had no luck forcing it to use IRQ 16.

But... with debug.uart_force_poll = 1, it works!

So it does seem to be some kind of buggy IRQ handling issue, if I'm not
mistaken.

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