Hi Greg. Thanks for your support so far. I also contacted the support-personnel of the pc-in-a-box, and they too suggested upgrading the kernel. So, through yours and theirs inspiration, I did the following :: a) Upgraded from Ubuntu-14.04.2 to Ubuntu-14.04.3. b) Then (on 14.04.3), I upgraded to the latest 3.19 kernel, as per the steps at http://www.linuxandubuntu.com/home/linux-kernel-3-19-has-reached-to-end-with-last-release-kernel-3-19-8-install-upgrade-kernel-3-19-8-in-ubuntu-linux-mint The above caused the usb-serial-communication to start working perfectly. I guess step a) *could* be skipped, but I have a bit of time-constraint, so will stick to the two-step formula :P Thanks again to everyone for the help !!! Thanks and Regards, Ajay On Mon, Aug 29, 2016 at 6:38 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Mon, Aug 29, 2016 at 06:26:30PM +0530, Ajay Garg wrote: >> Thanks Felipe and Greg for the replies. >> >> There is no one forcing us to use this kernel. >> Would http://releases.ubuntu.com/16.04.1/ubuntu-16.04.1-desktop-i386.iso.torrent?_ga=1.67231377.145502248.1467027188 >> be good enough to install? > > I have no idea, sorry, I don't use that distro :) > > greg k-h -- Regards, Ajay -- 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