On Sun, Apr 05, 2020 at 06:06:43AM -0700, Chris Rhodin wrote: > Hi All, > > I have a rack mount server running a fresh install of Debian buster. On > this system a serial port can only receive data and not transmit. This is > true for both the built in serial port and USB to serial adapters. I'm > testing this with a loop back cable and the command "minicom > --baudrate=9600 --device=/dev/ttyXX". I also have a laptop and desktop > running Debian and on these systems the serial adapters and cables work > fine with that command. > > Has anyone seen this happen before? > > I can see how the built in port might have an issue but why do the USB > ports do the same thing? Permissions? (they would have to be a bit funny, write but not read, but hey, it'd be possible). Cheers -- t
Attachment:
signature.asc
Description: Digital signature