Big Sur freezes within 30min of booting since 11.3.1 (and in 11.4)

Can't seen to find a thread that would talk about this - I had a fairly stable system with USBInject+UIAC combo for many months, but after upgrading 11.3.1 I can't sort out USB and power issues.

I'm still running the rig described in my profile, with recent addition of the Inateck KT4004 card.
I have a BCM94360CS2 card that worked just fine in the past few months.

Overall, the issues I had (and reasons I got KT4004) were random rare USB drops - USB ports (Bluetooth from CS2 card too) will...

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Author: rogue0n3