OT: Suspend/restore and USB devices

[Patrick O'Callaghan]

On Fri, 2016-04-01 at 19:35 +0100, Patrick O'Callaghan wrote:
> Thanks. I haven't tried it yet but it gave me some food for thought,
> and the plot now thickens. It turns out that when I run "sudo pm-
> suspend" from the command line, the issue does *not* arise, i.e. the
> BT
> mouse is restored even when using the extension cable. What I've been
> doing up to now (and didn't think to mention) is to use the Suspend
> menu option from KDE, but that appears to be different.
> 
> I think I need to post a question on the KDE list.

It turns out that the KDE Suspend menu action invokes systemd-
suspend.service and that the pm-* utilities are no longer installed by
default. This would account for the different behaviour.

I still don't understand why using the extension cable makes a
difference.

poc