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Subject: Re: Issues with FreeBSD 15-CURRENT on the ThunderX1
From: Andrew Turner <andrew@fubar.geek.nz>
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> On 18 Feb 2025, at 16:43, Shawn Webb <shawn.webb@hardenedbsd.org> =
wrote:
>=20
> Hey all,
>=20
> It appears that probing PCI devices might be busted on FreeBSD
> 15-CURRENT snapshot
> =
FreeBSD-15.0-CURRENT-arm64-aarch64-20250213-6156da866e7d-275409-memstick.
>=20
> I have two ThunderX1 servers, both with PCI-connected Intel NICs. They
> used to work on FreeBSD/HardenedBSD. I noticed in the boot-up dmesg
> output that the kernel couldn't successfully probe the PCI devices.
> I've attached /var/run/dmesg.boot and the output of `pciconf -lv`.
>=20
> I don't know what exactly is broken, but I suspect the PCI probing
> errors are at least symptomatic of the underlying problem.
>=20
> I also tried HardenedBSD 15-CURRENT, and experienced the same issue.

It looks like the driver is missing ACPI support [1]. You can force FDT =
by setting =E2=80=9Ckern.cfg.order=3Dfdt=E2=80=9D in loader.

Andrew

[1] =
https://cgit.freebsd.org/src/tree/sys/dev/vnic/thunder_bgx.c?id=3Dc76c2a19=
ae3763d17aa6a60a5831ed24cbc16e83#n1122=