[Gnash-commit] [bug #42416] deadlock on exit

[Sandro Santilli]

URL:
  <http://savannah.gnu.org/bugs/?42416>

                 Summary: deadlock on exit
                 Project: Gnash - The GNU Flash player
            Submitted by: strk
            Submitted on: Sat 24 May 2014 03:37:46 PM CEST
                Category: None
                Severity: 5 - Blocker
                 Release: None
                  Status: None
                 Privacy: Public
             Assigned to: bjacques
             Open/Closed: Open
         Discussion Lock: Any

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Details:

Got the process stuck on exit.
Attaching it with gdb gave this stacktrace:

(gdb) bt
#0  0x00007fdd68f891f8 in pthread_join (threadid=140588372457216,
    thread_return=0x0) at pthread_join.c:92
#1  0x00007fdd654f8cb6 in SDL_WaitThread ()
   from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#2  0x00007fdd654f107a in SDL_AudioQuit ()
   from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#3  0x00007fdd654eff95 in SDL_QuitSubSystem ()
   from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#4  0x00007fdd6b2e7b83 in gnash::sound::SDL_sound_handler::~SDL_sound_handler
    (this=0x7fdd6dcc7310, __in_chrg=<optimized out>)
    at /usr/src/gnash/gnash-head/libsound/sdl/sound_handler_sdl.cpp:131
#5  0x00007fdd6b2e7bc9 in gnash::sound::SDL_sound_handler::~SDL_sound_handler
    (this=0x7fdd6dcc7310, __in_chrg=<optimized out>)
    at /usr/src/gnash/gnash-head/libsound/sdl/sound_handler_sdl.cpp:133
#6  0x00007fdd6c525019 in
std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release
(this=0x7fdd6dd00fb0)
    at /usr/include/c++/4.8/bits/shared_ptr_base.h:144
#7  0x00007fdd6c540aef in ~__shared_count (this=0x7fffa7e47110,
    __in_chrg=<optimized out>)
    at /usr/include/c++/4.8/bits/shared_ptr_base.h:553
#8  ~__shared_ptr (this=0x7fffa7e47108, __in_chrg=<optimized out>)
    at /usr/include/c++/4.8/bits/shared_ptr_base.h:810
#9  ~shared_ptr (this=0x7fffa7e47108, __in_chrg=<optimized out>)


Assigning to bjacques as he recently removed barriers and mutexes. This is
with Gnash 0.8.11dev (master-22144-6cb7f6f)





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