On Sun, Sep 29, 2019 at 5:43 PM Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx> wrote: > > > > On 29/09/2019 22:30, Robert Middleton wrote: > > On Sun, Sep 29, 2019 at 2:15 PM Sudip Mukherjee > > <sudip.mukherjee@xxxxxxxxxxxxxxx> wrote: > >> > >> Hi Robert, > >> > >> Sorry for the delay. I managed to test it today. My test file contained > >> 70 lines of "The quick brown fox jumps over the lazy dog". I used upto > >> 1200 Baudrate to send the text from the desktop using the Exar serial I > >> have and I did not notice any message loss on the receiving laptop. > >> Please let me know if you want me to test further. > >> > > > > Two questions: > > 1. What kernel version? If you didn't have a problem, I can try with > > the exact version that you have as well and see if I can reproduce on > > my side. > > v5.3.1 > > > 2. Did you test this via 'cat text-file.txt > /dev/ttySX' ? I'm > > assuming that you are, but just want to make sure. > > Yes. On the desktop which has the Exar hardware "cat fox.txt > > /dev/ttyS4" and on the laptop which is the receiver a terminal to read > from /dev/ttyUSB0. Thanks for checking; I still have the issue on my side, it is very weird. Would you mind if I send you a video off-list that shows what is happening on my end? I'm pretty much at a loss at this point. -Robert Middleton