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Instant Wake reason EHC1 EHC2 XHC only plugged into usb 3.0 ports


meltman
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Hello,

I'm having a bit of trouble figuring out how to correct this issue. 

When devices are plugged into usb 2.0 ports, sleep works correctly. When the same devices are plugged into usb 3.0 ports, the computer "instant wakes" after falling asleep.

 

I have the following:

Motherboard: SuperMicro c7z97-oce (Z97 Express chipset)

CPU: i5-4570S
Ram: 16gb ddr3 

Video Card: Nvidia 950

 

 

Attached are some relevant files to help figure out the issue. 

 

Appreciate any leads!

Send me Casey’s iMac.zip

CLOVER.zip

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Before your zip I played with some bios settings, now I'm down to:
Wake Reason: XHC

(this was by adding FixUSB_1000)

 

I applied the clover update and placed the Clover folder - the display now does not wake up (which I had resolved by using darkwake=0)

 

In pmset -g log I see:
DarkWake from normal Sleep [ CDNP ] due to XHC/: Using AC

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