<7>[  581.327615] ohci_irq: fullspeed or lowspeed device disconnect
<6>[  581.327792] usb 8-1: USB disconnect, device number 2
<7>[  581.327953] ehci_irq: highspeed device connect
<3>[  581.331142] init: disable bluetooth...
<3>[  581.335442] init: creat client socket error!!!
<7>[  581.340073] ehci_irq: highspeed device disconnect
<7>[  581.474470] ehci_irq: highspeed device disconnect
<7>[  587.238593] ehci_irq: highspeed device connect
<7>[  587.250070] ehci_irq: highspeed device disconnect
<7>[  587.373366] ehci_irq: highspeed device connect
<7>[  587.610100] ehci_irq: highspeed device disconnect
<7>[  587.610147] ohci_irq: fullspeed or lowspeed device connect
<6>[  588.030105] usb 8-1: new full-speed USB device number 3 using sunxi-ohci
<6>[  588.256141] usb 8-1: New USB device found, idVendor=0a12, idProduct=0001
<6>[  588.256170] usb 8-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
<6>[  588.256191] usb 8-1: Product: CSR8510 A10
<3>[  588.560232] init: find usb bt device...
<3>[  588.564641] init: creat client socket error!!!