[tbb-bugs] #28195 [Applications/Tor Browser]: TB fails to restart updating 8.5a3

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#28195: TB fails to restart updating 8.5a3
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 Reporter:  traumschule               |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-regression            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Changes (by traumschule):

 * status:  needs_information => new


Comment:

 To recap our talk on IRC:

 > What do you mean with "looks like fixing this introduced an error"?
 It was my impression that the alpha shuts down faster, but i might be
 wrong. Was thinking of #28113 but it looks unrelated.

 > The previous alpha updates worked for you?
 Yes, it worked until now.

 > The issue is that 8.5a3 which is what is important here just fixes two
 moz sec bugs in the js engine on linux. so, i don't see how that can lead
 to your problems.
 > It seems the browser is killing itself because the shutdown takes too
 long which messes with the updates.
 Because tor takes 30 seconds to exit? Maybe this should go or the timeout
 needs to be raised.

 > Does it make a difference if you apply partial updates or full updates?
 The updates above were all incremental. Fished this from the log: Testing
 the upgrade from 8.5a1 it downloads 82mb, so incremental updates are only
 supported for the direct successor it seems. It worked well and also
 restarted as it should.
 So the answer to your question is yes, it does seem to make a difference.

 However when i retested the update from 8.5a1 -> 8.5a4 just now it just
 exited without restarting and without error. It just exits when it should
 restart instead. On the next start the update goes well, so this is minor.
 The last line in the terminal was
 > Oct 25 11:24:52.000 [notice] Catching signal TERM, exiting cleanly.

 On the way more issues showed up. I filed #28199 and #28200 for additional
 pleasure.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28195#comment:6>
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