On Sat, 1 Sep 2012, Marek Floriańczyk wrote: > > It's possible that data is getting lost, but it's pretty unlikely. The > > only way to get more detailed debugging information is to use a USB bus > > analyzer. > > HI, > > You mean hardware device that is connected into the usb bus something like > this: http://www.fte.com/products/FTS4USB.aspx Yes, that or something like it. For example: http://www.totalphase.com/products/beagle_usb480 > Or do you mean some software that I can use on linux, if so could you please > recommend any, all I can find is for windows :( No, not software. No Linux software will be able to display any more information than usbmon. > > You could do more testing. For example, run the same program but > > comment out the parts that talk to the device on bus 3. Or plug the > > devices into each other's ports, or swap the serial numbers in the > > program. > > I can send commands separately to each device, and then there is no problem. > Changing serial numbers won't work, application has class usb-manager that > during start creates objects MyUsb and each object is given device id vendor > id and serial number, to connect to CKOZ gateway. You could change the order of which device you send the command to first. 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
