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Video Decoding breaks after sleep/wake #8

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@frickingphil

Hi! First off, thank you so much for your well-written guide, it was awesome to be able to follow a guide and have the thing boot and install Big Sur on my first try.

I'm running Big Sur 11.1, and pretty much everything works as in the guide, the only bug I've noticed so far is unsurprisingly with sleep.

Sleeping (from the Apple Menu, at least) actually works fine for me and the machine stays asleep, however once it's woken up again, seemingly everything that relies on VideoToolbox breaks. YouTube in Safari, QuickTime Player, etc. all hang the moment they try to play a video.

This is fixed by a reboot, and it's not related to the display being powered down (as my hot corner for it doesn't trigger the bug).

Any ideas where to look? I can provide logs or anything else you need.

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