On Tue, 2018-05-22 at 23:00 +0800, Ed Greshko wrote:
> >> So, those processes may potentially keep copies of libraries that have 
> >> been updated
> >> and (guessing) clashes happen with new processes with new libraries.
> > Yes, I'm aware of that. However 'tracer' supposed to detect this,
> > either when called from the Shell or via the dnf plug-in. That's why
> > it's telling me to restart the session.
> 
> I seriously doubt that tracer will be able to detect that some processes may 
> survive
> a log-outt/log-in event.

Naturally not, but it should (and AFAIK does) detect libraries being
updated and recommend that processes using them be restarted.

> Do you run tracer again after logging in again?

I sometimes run it from a root console while the user session is logged
out, and make sure nothing out of date is still hanging around. This
doesn't appear to correlate with the problem, but I haven't been
systematic enough about it to be sure.

> >> Therefore, I don't logout/login after updates.  If anything, I reboot.  In 
> >> my case a
> >> reboot takes about 12 seconds so I'm  not bothered by it.
> > It's fast here too, but I usually have a VM running that I may not want
> > to forcibly reboot.
> >
> There is always something, isn't there?

Yes, Murphy had something to say about that ...

poc
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