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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RE: Comment by diegocg
by Delgarde on Tue 3rd Jul 2012 02:15 UTC in reply to "Comment by diegocg"
Delgarde
Member since:
2008-08-19

A good candidate for http://wtfqrcodes.com/


Not really... this is less of a WTF, and more of a "why hasn't someone thought of that before".

It's exactly the same old behaviour - dumping debug info to the screen on a crash - but it does so in a way that a reliable digital copy can be made (instead of a hand-written transcript, or a blurry photo of the screen). Brilliant.

Reply Parent Score: 5