Linked by Thom Holwerda on Mon 2nd Jul 2012 18:19 UTC, submitted by anonymous
BeOS & Derivatives Michael Lotz added code to generate QR-code for the KDL (Kernel Debug Land) ouput (which pops up when the kernel crashes). No more blurry photos with debug output, but a QR code which decodes to the clear-text KDL debug output. Here's one of the relevant commits, an example showing a QR code, and text from decoded sample QR code.
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by sorpigal on Tue 3rd Jul 2012 12:55 UTC in reply to "WTF IS THIS SHIT"
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It may seem a bit odd but it's not such a bad idea. The Linux kernel developers are presently considering patches that would print a QR code to the screen in case of a panic (and for just the same reasons).

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