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USB Error :: AppleUSBCDC: start - initDevice failed


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MacBook-Pro kernel[0]: 0 0 AppleUSBCDC: start - initDevice failed

MacBook-Pro kernel[0]: USBF: 475.408 AppleUSBEHCI[0xffffff800c809000]::Found a transaction which hasn't moved in 5 seconds on bus 0x1a, timing out! (Addr: 3, EP: 0)


and it is repetatively occurring in console.


My USB hub details are :


USB High-Speed Bus:


Host Controller Location: Built-in USB

Host Controller Driver: AppleUSBEHCI

PCI Device ID: 0x1c2d

PCI Revision ID: 0x0005

PCI Vendor ID: 0x8086

Bus Number: 0x1a




Product ID: 0x0024

Vendor ID: 0x8087 (Intel Corporation)

Version: 0.00

Speed: Up to 480 Mb/sec

Location ID: 0x1a100000 / 2

Current Available (mA): 500

Current Required (mA): 0


HP TrueVision HD



Product ID: 0xe258

Vendor ID: 0x064e (Suyin Corporation)

Version: 4.00

Serial Number: HF1016-A821-OV01-VH-R04.00.00

Speed: Up to 480 Mb/sec

Manufacturer: SuYin


Location ID: 0x1a120000 / 3

Current Available (mA): 500

Current Required (mA): 500


Vendor-Specific Device:


Product ID: 0x0018

Vendor ID: 0x138a

Version: 0.78

Serial Number: d8ff936f5267

Speed: Up to 12 Mb/sec

Location ID: 0x1a110000 / 4

Current Available (mA): 500

Current Required (mA): Unknown (Device has not been configured)


may be this is the reason that usb is not working ? :wallbash:


Anybody any idea how to solve this error? :|

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