On Fri, Apr 23, 2010 at 09:41:06AM +0200, Andrea Cometa wrote: > Greg KH ha scritto: >> On Wed, Apr 14, 2010 at 08:24:06PM +0200, Andrea Cometa wrote: >> >>> Greg KH ha scritto: >>> >>>> On Wed, Apr 14, 2010 at 07:27:00PM +0200, Andrea Cometa wrote: >>>> >>>>> [...] >>>>> >>>> Great, now what happens when you open the connection and try to send >>>> data through it? Can you provide the kernel debug log for when tha >>>> happens? >>>> >>>> >>>>> about flow control, i've tried it on and also off, but nothing happens >>>>> this kind of devices (i've bought two different brands) seem to be deaf! >>>>> :( >>>>> >>>> Ok, thanks for checking about flow control, but I don't see any >>>> userspace open happening in the kernel log yet. >>>> >>>> thanks, >>>> >>>> greg k-h >>>> >>>> >>>> >>> here the kern.log when i send data trough ttyUSB0 >>> >> >> I see data going to the device, one byte at a time, so perhaps something >> is wrong on the hardware side? >> >> I really don't know what else to suggest, sorry. >> >> good luck, >> >> greg k-h >> >> >> > The same thing happens with different brands of Prolific devices! This is sounding like a hardware problem on the device you have plugged into the usb-serial device. Are you sure that works? > I have now ordered a FTDI device to see if anything changes! (hope) I hope so too :) thanks, greg k-h -- 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
