(gdb) bt
#0  0x0f283fe8 in __lll_lock_wait () from /lib/powerpc-linux-gnu/libpthread.so.0
#1  0x0f27d6a0 in pthread_mutex_lock () from /lib/powerpc-linux-gnu/libpthread.so.0
#2  0x0f8007fc in pthread_mutex_lock () from /lib/powerpc-linux-gnu/libc.so.6
#3  0x0ffa4550 in SDL_mutexP () from /usr/lib/libSDL-1.2.so.0
#4  0x11388b44 in SdlMutexManager::lockMutex (this=0x1229b788, mutex=0x1236dae0) at ../git/backends/mutex/sdl/sdl-mutex.cpp:36
#5  0x11368860 in ModularBackend::lockMutex (this=0x12292008, mutex=0x1236dae0) at ../git/backends/modular-backend.cpp:213
#6  0x11516580 in Common::StackLock::lock (this=0xbff43cb0) at ../git/common/mutex.cpp:68
#7  0x115164a0 in Common::StackLock::StackLock (this=0xbff43cb0, mutex=..., mutexName=0x0) at ../git/common/mutex.cpp:57
#8  0x11472e6c in Audio::MixerImpl::stopHandle (this=0x1238a848, handle=...) at ../git/audio/mixer.cpp:322
#9  0x114a2154 in MidiDriver_ADLIB::close (this=0x1243a048) at ../git/audio/softsynth/adlib.cpp:936
#10 0x1030efb0 in AGOS::MidiPlayer::~MidiPlayer (this=0x12439c68, __in_chrg=<optimized out>) at ../git/engines/agos/midi.cpp:65
#11 0x1030f088 in AGOS::MidiPlayer::~MidiPlayer (this=0x12439c68, __in_chrg=<optimized out>) at ../git/engines/agos/midi.cpp:70
#12 0x102e5ec8 in AGOS::AGOSEngine::~AGOSEngine (this=0x1243f7a0, __in_chrg=<optimized out>) at ../git/engines/agos/agos.cpp:955
#13 0x102d7b9c in AGOS::AGOSEngine_Elvira1::~AGOSEngine_Elvira1 (this=0x1243f7a0, __in_chrg=<optimized out>)
    at ../git/engines/agos/agos.h:1559
#14 0x102d7c44 in AGOS::AGOSEngine_Elvira2::~AGOSEngine_Elvira2 (this=0x1243f7a0, __in_chrg=<optimized out>)
    at ../git/engines/agos/agos.h:1640
#15 0x102d7cec in AGOS::AGOSEngine_Waxworks::~AGOSEngine_Waxworks (this=0x1243f7a0, __in_chrg=<optimized out>)
    at ../git/engines/agos/agos.h:1735
#16 0x102d7d40 in AGOS::AGOSEngine_Waxworks::~AGOSEngine_Waxworks (this=0x1243f7a0, __in_chrg=<optimized out>)
    at ../git/engines/agos/agos.h:1735
#17 0x100094b8 in runGame (plugin=0x12432810, system=..., edebuglevels=...) at ../git/base/main.cpp:216
#18 0x1000a250 in scummvm_main (argc=1, argv=0xbff44df4) at ../git/base/main.cpp:423
#19 0x10007e2c in main (argc=1, argv=0xbff44df4) at ../git/backends/platform/sdl/posix/posix-main.cpp:45