July 4th, 2024

Linux's DRM Panic "Screen of Death" Sees Patches for QR Code Error Messages

Linux 6.10 introduces DRM Panic, a new panic screen akin to Windows' Blue Screen of Death, handling kernel errors and VT support. QR codes condense error messages for easier analysis, with a Rust-based "qr_code" panic screen patch by Jocelyn Falempe from Red Hat. This feature aims to improve error message handling in the Linux kernel.

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Linux's DRM Panic "Screen of Death" Sees Patches for QR Code Error Messages

Linux 6.10 introduces DRM Panic, a new panic screen similar to Windows' Blue Screen of Death, to handle kernel errors and disabled VT support. Patches now allow condensing lengthy error messages into QR codes for easier capture and analysis. Jocelyn Falempe of Red Hat posted patches for a "qr_code" panic screen written in Rust. The use of QR codes for kernel error messages has been discussed previously, with Windows and other systems also exploring this approach. The DRM Panic QR code handler is now under review, showcasing examples of QR code DRM Panic support in action. The reasoning behind using Rust for the QR code generator was to explore its functionality within the kernel. The new feature aims to enhance error message handling and reporting within the Linux kernel environment.

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