[tbb-bugs] #28709 [Applications/Tor Browser]: Enable Fuzzyfox

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#28709: Enable Fuzzyfox
-------------------------------------------------+-------------------------
 Reporter:  tom                                  |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  reopened
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  TorBrowserTeam201910R,               |  Actual Points:  0.1
  GeorgKoppen201910                              |
Parent ID:  #28707                               |         Points:  0.1
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by sysrqb):

 I think the reason shutting down hangs is because Fuzzyfox doesn't stop
 dispatching an event for itself, so it continues (effectively) looping.

 I don't know why the browser window isn't rendered, yet.

 {{{
 0x00007f1443d6b670 in __GI___nanosleep
 (requested_time=requested_time at entry=0x7ffcc25d0320,
 remaining=remaining at entry=0x0) at
 ../sysdeps/unix/sysv/linux/nanosleep.c:28
 28      ../sysdeps/unix/sysv/linux/nanosleep.c: No such file or directory.
 (gdb) bt
 #0  0x00007f1443d6b670 in __GI___nanosleep
 (requested_time=requested_time at entry=0x7ffcc25d0320,
 remaining=remaining at entry=0x0) at
 ../sysdeps/unix/sysv/linux/nanosleep.c:28
 #1  0x00007f1443d9e894 in usleep (useconds=<optimized out>) at
 ../sysdeps/posix/usleep.c:32
 #2  0x00007f143da7b572 in mozilla::Fuzzyfox::Run (this=0x7f1437c09780) at
 /var/tmp/build/firefox-
 81d2d351b4c9/toolkit/components/fuzzyfox/Fuzzyfox.cpp:215
 #3  0x00007f143adbfdc6 in nsThread::ProcessNextEvent (this=0x7f1438814040,
 aMayWait=<optimized out>, aResult=0x7ffcc25d0447) at /var/tmp/build
 /firefox-81d2d351b4c9/xpcom/threads/nsThread.cpp:1175
 #4  0x00007f143adbe68e in NS_ProcessPendingEvents (aThread=0x7f1438814040,
 aTimeout=4294967295) at /var/tmp/build/firefox-
 81d2d351b4c9/xpcom/threads/nsThreadUtils.cpp:434
 #5  0x00007f143add8050 in mozilla::ShutdownXPCOM (aServMgr=0x7f143882f168)
 at /var/tmp/build/firefox-81d2d351b4c9/xpcom/build/XPCOMInit.cpp:625
 #6  0x00007f143dbddb52 in ScopedXPCOMStartup::~ScopedXPCOMStartup
 (this=0x7f1443ae7580) at /var/tmp/build/firefox-
 81d2d351b4c9/toolkit/xre/nsAppRunner.cpp:1249
 #7  0x00007f143dbe4305 in
 mozilla::DefaultDelete<ScopedXPCOMStartup>::operator()
 (aPtr=0x7f1443ae7580, this=<optimized out>)
     at /var/tmp/build/firefox-81d2d351b4c9/obj-x86_64-pc-linux-
 gnu/dist/include/mozilla/UniquePtr.h:486
 #8  mozilla::UniquePtr<ScopedXPCOMStartup,
 mozilla::DefaultDelete<ScopedXPCOMStartup> >::reset (this=<optimized out>,
 aPtr=0x0)
     at /var/tmp/build/firefox-81d2d351b4c9/obj-x86_64-pc-linux-
 gnu/dist/include/mozilla/UniquePtr.h:323
 #9  mozilla::UniquePtr<ScopedXPCOMStartup,
 mozilla::DefaultDelete<ScopedXPCOMStartup> >::operator=(decltype(nullptr))
 (this=<optimized out>)
     at /var/tmp/build/firefox-81d2d351b4c9/obj-x86_64-pc-linux-
 gnu/dist/include/mozilla/UniquePtr.h:296
 #10 XREMain::XRE_main (this=0x7ffcc25d05b0, argc=<optimized out>,
 argv=<optimized out>, aConfig=...) at /var/tmp/build/firefox-
 81d2d351b4c9/toolkit/xre/nsAppRunner.cpp:4972
 #11 0x00007f143dbe4775 in XRE_main (argc=0, argv=0x0, aConfig=...) at
 /var/tmp/build/firefox-81d2d351b4c9/toolkit/xre/nsAppRunner.cpp:5026
 #12 0x000055cdb79fc050 in do_main (argc=0, argv=<optimized out>,
 envp=<optimized out>) at /var/tmp/build/firefox-
 81d2d351b4c9/browser/app/nsBrowserApp.cpp:217
 #13 main (argc=<optimized out>, argv=<optimized out>, envp=0x7ffcc25d1868)
 at /var/tmp/build/firefox-81d2d351b4c9/browser/app/nsBrowserApp.cpp:296
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28709#comment:9>
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