Date: Sun, 6 Oct 2024 14:35:15 +0200 From: Stefan Hegnauer <stefan.hegnauer@gmx.ch> To: freebsd-stable@freebsd.org Subject: APU1 bricked on stable/14 - solved Message-ID: <feaff803-ae93-4e9b-a8e6-1498d7b07b69@gmx.ch>
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I have a few pc-engines APU1 appliances running in headless mode under Nanobsd. Maintenance is by means of=C2=A0 direct COM port connection. After a recent update a few weeks back I was not able to connect by COM port anymore - console output and input went away after booting and before single- or multi-user mode would start. Even re-flashing the SDcard with a fresh image did not help. After some longish trials and errors it turned out that both - commit 74b9fc7a 'amd64 GENERIC: Switch uart hints from "isa" to "acpi"' as well as - commit 4ba4cfaf 'acpi: Narrow workaround for broken interrupt settings on x86' broke things for me. Restoring hints and setting hw.acpi.override_isa_irq_polarity=3D1 in /boot/loader.conf.local restored working order. I agree that APU1 is EOL, however I would have expected an entry to UPDATING for such a POLA violation. Note that pc-engines APU2 models are not affected as the BIOS ACPI tables contain correct UART descriptions. - Stefan
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