Capricious USB connection

arne anka openmoko at ginguppin.de
Wed Jul 30 10:25:04 CEST 2008


>   kernel: hub 1-0:1.0: unable to enumerate USB device on port 5
>   kernel: usb 4-1: new full speed USB device using uhci_hcd and address 9
>   kernel: usb 4-1: new low speed USB device using uhci_hcd and address 10
>   kernel: usb 4-1: new low speed USB device using uhci_hcd and address 11
>   kernel: usb 4-1: device not accepting address 11, error -71
>   kernel: usb 4-1: new low speed USB device using uhci_hcd and address 12
>   kernel: usb 4-1: device not accepting address 12, error -71
>   kernel: hub 4-0:1.0: unable to enumerate USB device on port 1


i've seen messages like that a long time ago on usb2.0 chips made by via,  
i think.
there where several boot options (for the host, of course), to handle that  
kind of error, but after all on an acer aspire i had to set usb back to  
1.1, else the usb wouldn't work at all.




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