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You are here: MacNN Forums > Software - Troubleshooting and Discussion > macOS > "Family specific matching fails" in dmesg

"Family specific matching fails" in dmesg
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Tomchu
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Join Date: Sep 2005
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Sep 30, 2006, 02:20 PM
 
For the last little while I've noticed that I get a whole hell of a lot of this in my dmesg log:

Code:
... Matching service count = 0 Matching service count = 0 UHCI Root Hub Simulation: family specific matching fails Apple Internal Keyboard / Trackpad: family specific matching fails UHCI Root Hub Simulation: family specific matching fails UHCI Root Hub Simulation: family specific matching fails IR Receiver: family specific matching fails UHCI Root Hub Simulation: family specific matching fails IOUSBWirelessControllerDevice: family specific matching fails EHCI Root Hub Simulation: family specific matching fails Built-in iSight: family specific matching fails Matching service count = 16 ...
Plugging in more USB devices, like say a mouse or card reader, spawns more of this kind of thing. My USB devices seem to work fine, but I never do recall seeing this when I first got my MacBook Pro.

Could it perhaps be a 3rd-party kernel extension? I've got one or two installed for some esoteric USB devices I use at work.
     
   
 
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