The new DRM Panic handler is crucial for systems built without VT/FBCON support where such kernel messages are difficult to view. While the initial implementation supports SimpleDRM, MGAG200, IMX and AST drivers, future updates are planned to further expand this functionality.
Users can test this feature on compatible platforms by triggering a kernel crash with echo c > /proc/sysrq-trigger. Red Hat engineer Javier Martinez Canillas shared an image on Mastodon showing the error message on the BeaglePlay single-board computer.
Source: Ferra
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