Editor’s note: Microphone audio for the first 3 minutes of this talk was lost and filtered ambient sound had to be used as a replacement. Sorry for the inconvenience.
GPUs (and their stack) nowadays are too complex as any other systems and subject to errors and bugs. On top of that, along with the device getting stuck, all the stack need to propagate the error correctly so it can recover and move along.
In this talk, I’ll present what happens after a DRM device resets in Linux, the challenges in the way to recover from resets, how to report what caused the reset in the first place and some proposals to improve the situation.
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