Magic SysRq ships mostly disabled on Arch. Here's how to enable REISUB so you can reboot cleanly out of a freeze instead of murdering your machine with the power button.
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The F1–F12 keys on my Aula F108Pro stopped behaving properly on Linux. I dug through my Arch journal and ended up reverse-engineering the logs to understand HID descriptors, hid-apple, XKB, Wayland, X11, and the whole mess behind those keys.
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