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On Mon, Sep 3, 2012 at 3:03 PM, beyond.hack <beyond.hack@gmail.com> wrote:
> Hello experts,
>
> I am having beagleboard and beaglebone both and was installing opencv on
> ubuntu on beagleboard-XM.  Beaglebone has default Angstrom installed.
>
> Beaglebone problem:
> I tried to work on it after many a days, as soon as I connected beaglebone
> to my laptop today via usb port, it showed the booting steps and gave me the
> login prompt but I was not able to write anything and then the putty quit
> itself, from then onwards it hasn`t booted up!!!
>
> As soon as I insert the usb plug into the beaglebone, It blinks a led and
> then nothing!!
> nothing is displayed on "dmesg" except one time where it said something like
> no response for usb device..
> The beaglebone is booting up when I power it from power adapter but not able
> to see the serial output as the USB is not working... :(
>
>
> Beagleboard probem:
> while installing a few libraries into ubuntu in beagleboard-XM.  I was using
> a usb keyboard and ethernet .  All of a sudden message start appearing
> showing some kernel stuff and reporting error - 71 (dont know what it is)

error -71 sounds like the ehci erraturm..

Replace your currently running kernel with these uImage/zImage and modules

http://rcn-ee.homeip.net:81/testing/beagleboard/sprz319-erratum-2.1-3.2.24-x14/

and please retest..  (the patch for this isn't enabled by default as
it causes older Beagle (C4) to hardlock on bootup)..

Regards,