have 2 moments and don't know how decide it:
1.
Code:
Dec 12 02:28:10 localhost kernel[0]: USBF: 0.660 AppleUSBEHCI[0xbc96000]::UIMInitialize - could not get chip to halt within 100 ms
Dec 12 02:28:10 localhost kernel[0]: USBF: 0.661 AppleUSBEHCI[0xbc96000]::UIMInitialize - Error occurred (0xe00002c9)
Dec 12 02:28:10 localhost kernel[0]: USBF: 0.764 AppleUSBEHCI[0xbc96000]::UIMFinalize - could not get chip to halt within 100 ms
Dec 12 02:28:10 localhost kernel[0]: USBF: 0.811 EHCI controller unable to take control from BIOS
Dec 12 02:28:10 localhost kernel[0]: USBF: 0.811 AppleUSBEHCI[0xb954000]: unable to obtain ownership: 0xe00002be
Dec 12 02:28:10 localhost kernel[0]: USBF: 0.811 AppleUSBEHCI[0xb954000]::UIMInitialize - Error occurred (0xe00002be)
some usb ports doesn't work.
2. quicktime always has crash.