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I have an old Core2 Duo running Ubuntu 20.04.
As it was sluggish with gnome, I installed the xfce environment (only xfce, not
xubuntu)
Yesterday, I was using minicom then I suspended my laptop.
When I restarted minicom reported it could not open ttyusb0
After a few checks, I noticed that my usb to serial adapter was now
ttyusb1. I did not try to replicate.
This is quite annoying if you intend to rely a lot on suspend.
This behavior used to be in Windows in the past, but I believe they use
the UUID to always assign the same port to a USB device, as under
Windows, wherever I plug my US?B device, it always identifies as the
same "COM" port (used not to be the case before).
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment suspend-resume
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After suspend, ttyusb0 is moved to ttyusb1
https://bugs.launchpad.net/bugs/1873648
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