On Wed, 10 Sep 2014, Felipe Balbi wrote: > Hi, > > On Wed, Sep 10, 2014 at 11:02:23PM +0400, Matwey V. Kornilov wrote: > > 2014-09-10 19:53 GMT+04:00 Felipe Balbi <balbi@xxxxxx>: > > > 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. > > > > Hi > > > > To this moment I've found the following. Angstrom 3.8 works as > > expected, 3.16 also works until it wants GET_DESCRIPTOR. > > > > 3.8: > > > > dcbdd1c0 1596835984 S Ci:1:000:0 s 80 06 0100 0000 0040 64 < > > dcbdd1c0 1596836075 C Ci:1:000:0 0 18 = 12010002 00000040 fe132341 00010102 0301 > > > > 3.16: > > > > dd063d00 3246071559 S Ci:2:000:0 s 80 06 0100 0000 0040 64 < > > dd063d00 3246071607 C Ci:2:000:0 -71 0 > > hmmm, protocol error. > > > I don't know why the ports enumeration is different, maybe this is due > > converting to dts. > > unlikely to be the case. If all else fails, git bisect might pinpoint the cause of the problem. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html