[tor-bugs] #20979 [Applications/Tor Browser Sandbox]: runtime/cgo: pthread_create failed: Resource temporarily unavailable

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#20979: runtime/cgo: pthread_create failed: Resource temporarily unavailable
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     Reporter:  vladimiroff                      |      Owner:  yawning
         Type:  defect                           |     Status:  new
     Priority:  Medium                           |  Milestone:
    Component:  Applications/Tor Browser         |    Version:
  Sandbox                                        |   Keywords:
     Severity:  Normal                           |  pthread_create failed
Actual Points:                                   |  Parent ID:
       Points:                                   |   Reviewer:
      Sponsor:                                   |
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 It happens on Fedora 25 x86-64 (4.8.13-300.fc25.x86_64)
 Go: 1.7.4
 bubblewrap: 0.1.4-5
 libseccomp: 2.3.1-1
 libseccomp-devel: 2.3.1-1
 libseccomp-static: 2.3.1-1

 Once compiled the sanboxed-tor-browser starts and open dialog for choosing
 channel and locale. No matter what is being chosen, it crashes with
 `runtime/cgo: pthread_create failed: Resource temporarily unavailable`,
 right after checking for available downloads. (see attached dump).

 Also, once crashed it doesn't clean up `/run/user/1000/sandboxed-tor-
 browser`
 and it has to be removed manually in order to be started again.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20979>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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