https://jslee.dev/tags/openbsd/Recent content in Openbsd onHugoenSun, 26 Apr 2026 23:27:00 +1000https://jslee.dev/posts/visualizing-openbsd-dmesg/Sun, 26 Apr 2026 23:27:00 +1000https://jslee.dev/posts/visualizing-openbsd-dmesg/<p>Someone recently sent me OpenBSD 7.9 <code>dmesg</code> output from a <a href="https://www.friendlyelec.com/index.php?route=product/product&amp;product_id=304">NanoPi Zero2</a>, which is a very compact and barebones arm64 machine based on the Rockchip RK3528 SoC.</p> <p>Feeling somewhat bored, I decided to try to visualize the hardware relationships in directed graph form. It worked rather less-terribly than I expected with my very limited Graphviz experience.</p> <p>For example, the below <code>dmesg</code> snippet shows how the first Ethernet interface is attached in my PCengines APU2:</p>