On Wed, Sep 10, 2014 at 06:45:32PM +0400, Matwey V. Kornilov wrote: > 2014-09-10 17:52 GMT+04:00 Felipe Balbi <ba...@ti.com>: > > Hi, > > > > On Wed, Sep 10, 2014 at 11:06:05AM +0400, Matwey V. Kornilov wrote: > >> 2014-09-09 22:20 GMT+04:00 Felipe Balbi <ba...@ti.com>: > >> > oh, so it's not really a BBB. I have never seen an EMBEST RevB3. Do you > >> > have access to that board's accessory and/or a real BBB to check ? > >> > >> They claim it is just A5A. So, I've booted into Angstrom with kernel > >> 3.8.6 (which is preinstalled on eMMC), and USB works perfectly. > >> I can read my files on usb-drive, I can grab frames from my webcam and so > >> on. > >> Thereby, the issue is somewhere in my kernel (or config). > > However, could you provide me some hints how to debug it?
you probably need a USB sniffer. usbmon (Documentation/usb/usbmon.txt) will help to some extent, but some details can only be seen with a hw sniffer. -- balbi
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