From nobody Sat Mar 09 20:12:45 2024
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Subject: Re: Boot failure, amd64 (HP EliteBook 650 G10)
To: Graham Perrin <grahamperrin@gmail.com>,
 FreeBSD-CURRENT <freebsd-current@freebsd.org>
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From: Philipp Ost <pj@smo.de>
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Hi Graham,

On 3/9/24 10:52, Graham Perrin wrote:
> <https://codeberg.org/grahamperrin/freebsd-src/issues/8>
> 
> amd64.
> 
> AFAICT the EliteBook 650 G10 was introduced around May 2023.
> 
> Does anything in the three photographs tally with a report in Bugzilla?
> 
> Any overlap with 
> <https://lists.freebsd.org/archives/freebsd-current/2024-March/005697.html> for AMD Ryzen 7 CPU (Lenovo ThinkPad P16s Gen2 (AMD; Type 21K9))?

I would try booting with uart{0,1} disabled at the loader prompt. I 
stumbled upon that by chance, here: 
https://forums.freebsd.org/threads/debugging-the-boot-process.60224/ 
(the forum thread is from 2017, so the issue seems to be somewhat 
persistent ;-)).

Best of luck
Philipp