Re: SD card timeouts on older Raspberry Pi 4 models on 14.1-BETA

Looks like a crude approximation to a bisect of pre-built
kernels can be done via:

https://artifact.ci.freebsd.org/snapshot/stable-14/?C=M&O=D

I looked in the oldest:

9deb9bca9c470002688390bccf88ae147a25176f/ - 2023-Sep-07 05:16

and then grabbed the kernel:

https://artifact.ci.freebsd.org/snapshot/stable-14/9deb9bca9c470002688390bccf88ae147a25176f/arm64/aarch64/kernel.txz

I then expanded it and substituted it as the
/boot/kernel on the 14.1-BETA1 microsd card.

The result booted just fine:

# uname -apKU
FreeBSD generic 14.0-ALPHA4 FreeBSD 14.0-ALPHA4 aarch64 1400097 #0 9deb9bc: Thu Sep  7 04:46:28 UTC 2023     root@FreeBSD-stable-14-aarch64-build.jail.ci.FreeBSD.org:/usr/obj/usr/src/arm64.aarch64/sys/GENERIC arm64 aarch64 1400097 1401000

(I'd not done enough to have good debug information.)

Other problems could be hit during a partitioning
search for examples of working vs failing the
specific way in question. And many commits do not
have unique artifact builds for arm64.aarch64 . But
for finding a ball-park range for when failure
started, this technique likely would prove useful.

===
Mark Millard
marklmi at yahoo.com