On 05/22/18 19:12, Patrick O'Callaghan wrote: > On Tue, 2018-05-22 at 15:16 +0800, Ed Greshko wrote: >> On 05/21/18 23:09, Patrick O'Callaghan wrote: >>> On Mon, 2018-05-21 at 10:06 +0930, Tim via users wrote: >>>> There are >>>> programs that just don't terminate every time when I log out. Various >>>> system/desktop daemons, sometimes web browsers. >>> Possibly unrelated, but I sometimes - not always - find that after >>> updating (using dnf with the tracer plugin) I'm advised to restart my >>> session, then on logging out and in I'm suddenly forced out again after >>> a short time, usually less than a minute. >> FWIW, if you investigate a little I think you'd find that for every user that logs-in >> for a GUI session there will be about 9+ processes that are left running and remain >> running. It seems these processes are then reused on subsequent logins by the same >> uid. I suppose this may be done to speed-up subsequent logins. >> >> 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. Do you run tracer again after logging in again? >> 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? -- Conjecture is just a conclusion based on incomplete information. It isn't a fact.
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