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USB is still problematic on Linux. In particular the musb is completely unstable when "babble" is detected. You have to use the right kind of USB hub (or modify the cable) to keep power from backfeeding into the BBB. It seems your experience is different from mine.

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We've had the same experience on BBBs re: powering USB devices. Using a powered dlink hub helps to resolve it (of the 10+ brands we've tried).

Initially we did have some problems. Most of it was due to not being able to source enough current. We haven't seen any issues so far. Thanks for reminding me. I'll keep an eye out for that.

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