[tor-bugs] #30234 [Core Tor/Tor]: Get a stacktrace from tor processes launched by stem

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#30234: Get a stacktrace from tor processes launched by stem
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 Reporter:  teor                   |          Owner:  (none)
     Type:  defect                 |         Status:  assigned
 Priority:  Medium                 |      Milestone:  Tor: 0.2.9.x-final
Component:  Core Tor/Tor           |        Version:  Tor: 0.2.4.8-alpha
 Severity:  Normal                 |     Resolution:
 Keywords:  tor-ci-fail-sometimes  |  Actual Points:
Parent ID:  #29437                 |         Points:  0.5
 Reviewer:                         |        Sponsor:
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Comment (by teor):

 Replying to [comment:3 atagar]:
 > > Do stem's tests log all Tor output to a file?
 >
 > Do you mean tor's stdout? If so then nope, but we can add that if you'd
 find it useful. The only logging available via our tests is the '--log
 [runlevel]' argument which provides stem's logging information. In
 particular I use '--log trace' when troubleshooting difficult issues.

 We'll need Tor's logs, so we can see Tor's log messages and stacktraces. I
 don't mind if they go to a file, or to stdout, or stderr. We just need to
 be able to get them out of Travis :-)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30234#comment:4>
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