.
Thread 2 (process 7556):
#0  0xb7f0e430 in __kernel_vsyscall ()
#1  0xb7b48019 in ioctl () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7701bb0 in ?? () from /usr/lib/libasound.so.2
#3  0xb76f1834 in snd_pcm_writei () from /usr/lib/libasound.so.2
#4  0xb7809a2c in ?? () from /usr/lib/libfluidsynth.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 1 (process 7555):
#0  0xb7ae03cd in free () from /lib/tls/i686/cmov/libc.so.6
#1  0xb7d5d221 in g_free () from /usr/lib/libglib-1.2.so.0
#2  0x0805e553 in ?? ()
#3  0xb7e53b06 in gtk_marshal_NONE__NONE () from /usr/lib/libgtk-1.2.so.0
#4  0xb7e880a2 in ?? () from /usr/lib/libgtk-1.2.so.0
#5  0xb7e8a73f in ?? () from /usr/lib/libgtk-1.2.so.0
#6  0xb7e8ad5d in gtk_signal_emit () from /usr/lib/libgtk-1.2.so.0
#7  0xb7de0b93 in gtk_button_clicked () from /usr/lib/libgtk-1.2.so.0
#8  0xb7de1505 in ?? () from /usr/lib/libgtk-1.2.so.0
#9  0xb7e53b06 in gtk_marshal_NONE__NONE () from /usr/lib/libgtk-1.2.so.0
#10 0xb7e8a616 in ?? () from /usr/lib/libgtk-1.2.so.0
#11 0xb7e8ad5d in gtk_signal_emit () from /usr/lib/libgtk-1.2.so.0
#12 0xb7de0c83 in gtk_button_released () from /usr/lib/libgtk-1.2.so.0
#13 0xb7de1ab5 in ?? () from /usr/lib/libgtk-1.2.so.0
#14 0xb7e53754 in gtk_marshal_BOOL__POINTER () from /usr/lib/libgtk-1.2.so.0
#15 0xb7e8a68d in ?? () from /usr/lib/libgtk-1.2.so.0
#16 0xb7e8ad5d in gtk_signal_emit () from /usr/lib/libgtk-1.2.so.0
#17 0xb7ec6691 in gtk_widget_event () from /usr/lib/libgtk-1.2.so.0
#18 0xb7e518a2 in gtk_propagate_event () from /usr/lib/libgtk-1.2.so.0
#19 0xb7e528af in gtk_main_do_event () from /usr/lib/libgtk-1.2.so.0
#20 0xb7d8f95b in ?? () from /usr/lib/libgdk-1.2.so.0
#21 0xb7d5bbfd in ?? () from /usr/lib/libglib-1.2.so.0
#22 0xb7d5c45f in ?? () from /usr/lib/libglib-1.2.so.0
#23 0xb7d5c5df in g_main_run () from /usr/lib/libglib-1.2.so.0
#24 0xb7e52e0f in gtk_main () from /usr/lib/libgtk-1.2.so.0
#25 0x0805a63f in main ()