14.3 panics: supervisor write data, page not present

Reply: Eugene Grosbein : "Re: 14.3 panics: supervisor write data, page not present"
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From: J.R. Oldroyd <fbsd_at_opal.com>
Date: Thu, 28 Aug 2025 18:49:01 UTC

Upgraded server from 14.2 to 14.3-p2 last weekend.

Since then panics and reboots every couple of nights.

System was rock-solid stable on 14.2 and many earlier kernels too.

Upgrade was routine upgrade using freebsd-update.  No hardware changes.

Dumps:
[1] 2025/08/26
    https://opal.com/~jr/freebsd/14.3-panics/20250826053638-panic.txt

[2] 2025/08/28
    https://opal.com/~jr/freebsd/14.3-panics/20250828032438-panic.txt

In both cases, curthread() in /usr/src/sys/amd64/include/pcpu_aux.h
seems to be where things go wrong.

	-jr