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weird messages related to usb devices during boot


ktzyeah
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hi all,

I was doing some experiments related to power management (xcpm), I don't know why but this messages suddendly appeared spamming during boot (clover) and I don't know how to fix it:
 

18/11/14 14:30:28,000 kernel[0]: XHCI Root Hub SS Simulation: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: EHCI Root Hub Simulation: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: EHCI Root Hub Simulation: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: XHCI Root Hub USB 2.0 Simulation: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: HubDevice: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: HubDevice: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: USB2.0 Hub: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: HiFimeDIY DAC: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: USB Storage: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: USB Device: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: USB Keyboard: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: Controller: family specific matching fails
18/11/14 14:30:28,000 kernel[0]: Matching service count = 7

18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists
18/11/14 13:30:02,000 kernel[0]: USB Keyboard: match category IODefaultMatchCategory exists

and so on with every usb device plugged in my pc.
the devices are fully working though but i don't really like to have this error messages... anybody knows how to fix this?

 

full log: http://pastebin.com/96NpiynJ

 

thanks.

 

f

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