Yes, I had forgotten about that. Could definitely be the issue. The daemon modemmanager can compete for the serial port.
First check to see if you're running it. I think this will also tell you which port it's monitoring. *ps aux|grep modem* Then to remove: *sudo apt purge modemmanager* On Thu, Dec 16, 2021 at 6:43 PM vince <[email protected]> wrote: > Please don't blindly reinstall weewx thinking it can fix what looks like > an os or physical connectivity issue..... > > Your original post saying "*Yesterday, I saw one of those routine update > messages on my desktop and elected to accept them*" got me thinking... > > Can you describe your setup a bit more ? > > - What kind of hardware are you on ? Something with a DB9 has to be > pretty ancient these days. > - Did you see a bunch of updates available and just say 'go ahead > update everything' ? > - Are you sure you're on 18.04 ? What does your /etc/os-release say ? > - Did you add anything else to your ubuntu before it stopped working ? > - Did you take a reboot after your (big?) update/upgrade ? > - Did you move the box or Vantage console ? Might something be loose > ? DB9 connectors are easy to get part-way connected. > > Tom - wasn't there some package a long time ago in ubuntu that you found > affected whether serial ports worked ? Some package that blocked the > /dev(ice) from functioning ? It's been a long time but I seem to remember > there was some package that messed things up. > > -- > You received this message because you are subscribed to the Google Groups > "weewx-user" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/weewx-user/3fd72451-19fc-498e-a07f-fc86310aa2b7n%40googlegroups.com > <https://groups.google.com/d/msgid/weewx-user/3fd72451-19fc-498e-a07f-fc86310aa2b7n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/CAPq0zEAM2zbnJ6mPdntLwpwfpwHxF7oOv1-oNxZip7V4%3D1yv%2Bw%40mail.gmail.com.
