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by bombcar 20 days ago
Us old people have the idea of peripherals as input (keyboard, mouse) or output (monitor, printer) - but they've all been input/output for two decades or more; and Thunderbolt and friends are much more like an Ethernet network (reliability of Wake on LAN, anyone?) than they are simple point-to-point connections.

Meaning - anything could be the device preventing what you expect to happen, even if it looks like it should be impossible and have nothing to do with it.

1 comments

HDMI CEC is the bane of my (home theater) existence.

Which device just woke every other device up at 4am?

Which device just shut everything down while I was in the middle of a movie?

And are they the same device?

A Raspberry Pi can help debug and fix HDMI CEC flakiness, with the right cable - https://johnlian.net/posts/hdmi-cec/
CEC and eARC piss me off to no end - it was all working perfectly for over a year and now the receiver refuses to cooperate (or maybe it's the TV, who knows) and you have to cycle things by hand like a meanderthal.