From: Miod Vallat <miod@online.fr>
Subject: Re: upd(4): add more sensors (load, power..)
To: Walter Alejandro Iglesias <wai@roquesor.com>
Cc: Landry Breuil <landry@openbsd.org>, stu@spacehopper.org, tech@openbsd.org
Date: Thu, 21 Nov 2024 17:07:11 +0000

> After applying this diff this happened:
> 
>   $ sysctl hw.sensors
>   sysctl: sensors dev 0: Cannot allocate memory

You need to at least do `make includes' in usr/src, then rebuild and
reinstall sysctl and sensorsd.