Om 2008.8: usb: unable to enumerate USB device

Harald Koenig koenig at tat.physik.uni-tuebingen.de
Tue Aug 12 17:39:48 CEST 2008


On Aug 08, Steven ** wrote:

> Try a different version of uboot.  There were some versions that would
> kill USB approximately 50% of the time on boot.

which uboot so you recomment ?  
now I see the same problem with the decent 

      u-boot-gta02v5-1.3.1+gitr54+dc633f4be2527f844158aa5085c278b0c3039d3f-r0.bin

hub 4-0:1.0: port 2 disabled by hub (EMI?), re-enabling...
usb 4-2: USB disconnect, address 123
usb 4-2: new full speed USB device using uhci_hcd and address 124
usb 4-2: device descriptor read/64, error -71
usb 4-2: device descriptor read/64, error -71
usb 4-2: new low speed USB device using uhci_hcd and address 125
usb 4-2: device descriptor read/64, error -71
usb 4-2: device descriptor read/64, error -71
usb 4-2: new low speed USB device using uhci_hcd and address 126
usb 4-2: device not accepting address 126, error -71
usb 4-2: new low speed USB device using uhci_hcd and address 127
usb 4-2: device not accepting address 127, error -71
hub 4-0:1.0: unable to enumerate USB device on port 2


thanks for any hint,

Harald
-- 
"I hope to die                                      ___       _____
before I *have* to use Microsoft Word.",           0--,|    /OOOOOOO\
Donald E. Knuth, 02-Oct-2001 in Tuebingen.        <_/  /  /OOOOOOOOOOO\
                                                    \  \/OOOOOOOOOOOOOOO\
                                                      \ OOOOOOOOOOOOOOOOO|//
                                                       \/\/\/\/\/\/\/\/\/
Harald Koenig                                           //  /     \\  \
koenig at tat.physik.uni-tuebingen.de                     ^^^^^       ^^^^^




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