Here is the backtrace. Valgrind segfaulted but gdb worked.

2006/10/22, Sebastien Bacher <email address hidden>:
> Thanks for your bug. Could you get a backtrace of the issue as described
> on https://wiki.ubuntu.com/DebuggingProgramCrash?
>
> ** Changed in: sound-juicer (Ubuntu)
>      Assignee: (unassigned) => Ubuntu Desktop Bugs
>        Status: Unconfirmed => Needs Info
>
> --
> crashes when ripping cd
> https://launchpad.net/bugs/67621
>


-- 
The theory of groups is a branch of mathematics in which one does
something to something and then compares the results with the result
of doing the same thing to something else, or something else to the
same thing.
                                         James Newman


GNU gdb 6.4.90-debian
Copyright (C) 2006 Free Software Foundation, Inc.
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This GDB was configured as "i486-linux-gnu"...Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".

(gdb) sound-juicer
Undefined command: "sound-juicer".  Try "help".
(gdb) help
List of classes of commands:

aliases -- Aliases of other commands
breakpoints -- Making program stop at certain points
data -- Examining data
files -- Specifying and examining files
internals -- Maintenance commands
obscure -- Obscure features
running -- Running the program
stack -- Examining the stack
status -- Status inquiries
support -- Support facilities
tracepoints -- Tracing of program execution without stopping the program
user-defined -- User-defined commands

Type "help" followed by a class name for a list of commands in that class.
Type "help" followed by command name for full documentation.
Command name abbreviations are allowed if unambiguous.
(gdb) handle SIG33 pass nostop noprint
Signal        Stop	Print	Pass to program	Description
SIG33         No	No	Yes		Real-time event 33
(gdb) set pagination 0
(gdb) ;7~run
Starting program: /usr/bin/sound-juicer 
[Thread debugging using libthread_db enabled]
[New Thread -1226835552 (LWP 8955)]
GTK Accessibility Module initialized
Bonobo accessibility support initialized
[New Thread -1260909664 (LWP 8965)]
[New Thread -1269302368 (LWP 8966)]
[New Thread -1277695072 (LWP 8967)]
[Thread -1260909664 (LWP 8965) exited]
[Thread -1269302368 (LWP 8966) exited]
[Thread -1277695072 (LWP 8967) exited]
[New Thread -1260909664 (LWP 8971)]
[New Thread -1277695072 (LWP 8972)]
[New Thread -1269302368 (LWP 8973)]
[New Thread -1287648352 (LWP 8974)]
[New Thread -1296041056 (LWP 8975)]
[New Thread -1304433760 (LWP 8976)]
[New Thread -1312826464 (LWP 8977)]
[New Thread -1321219168 (LWP 8978)]
[New Thread -1329611872 (LWP 8979)]
[Thread -1260909664 (LWP 8971) exited]
[Thread -1277695072 (LWP 8972) exited]
[Thread -1269302368 (LWP 8973) exited]
[Thread -1287648352 (LWP 8974) exited]
[Thread -1296041056 (LWP 8975) exited]
[Thread -1304433760 (LWP 8976) exited]
[Thread -1312826464 (LWP 8977) exited]
[Thread -1321219168 (LWP 8978) exited]
[Thread -1329611872 (LWP 8979) exited]
[New Thread -1304433760 (LWP 8981)]
[New Thread -1269302368 (LWP 8983)]
[New Thread -1287648352 (LWP 8984)]
[New Thread -1312826464 (LWP 8985)]
[New Thread -1277695072 (LWP 8986)]
[New Thread -1296041056 (LWP 8987)]
[Thread -1269302368 (LWP 8983) exited]
[Thread -1296041056 (LWP 8987) exited]
[Thread -1287648352 (LWP 8984) exited]
[Thread -1312826464 (LWP 8985) exited]
[Thread -1277695072 (LWP 8986) exited]
[Thread -1304433760 (LWP 8981) exited]
[New Thread -1287648352 (LWP 8993)]
[New Thread -1312826464 (LWP 8996)]
[New Thread -1277695072 (LWP 9000)]
[New Thread -1296041056 (LWP 9001)]
[New Thread -1265181792 (LWP 9002)]
[Thread -1265181792 (LWP 9002) exited]
[Thread -1296041056 (LWP 9001) exited]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1226835552 (LWP 8955)]
0xb7f49867 in gm_audio_profile_get_extension () from /usr/lib/libgnome-media-profiles.so.0
(gdb) backtrace
#0  0xb7f49867 in gm_audio_profile_get_extension () from /usr/lib/libgnome-media-profiles.so.0
#1  0xb7218b29 in g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0
#2  0xb720b79b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#3  0xb721bb93 in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#4  0xb721d0b7 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#5  0xb721d279 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#6  0xb79e6093 in gtk_button_clicked () from /usr/lib/libgtk-x11-2.0.so.0
#7  0xb79e7cde in gtk_button_set_alignment () from /usr/lib/libgtk-x11-2.0.so.0
#8  0xb7218b29 in g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0
#9  0xb7209fb9 in g_value_set_boxed () from /usr/lib/libgobject-2.0.so.0
#10 0xb720b79b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#11 0xb721c02a in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#12 0xb721d0b7 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#13 0xb721d279 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#14 0xb79e6123 in gtk_button_released () from /usr/lib/libgtk-x11-2.0.so.0
#15 0xb79e6181 in gtk_button_released () from /usr/lib/libgtk-x11-2.0.so.0
#16 0xb7ab5b00 in _gtk_marshal_BOOLEAN__BOXED () from /usr/lib/libgtk-x11-2.0.so.0
#17 0xb7209fb9 in g_value_set_boxed () from /usr/lib/libgobject-2.0.so.0
#18 0xb720b79b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#19 0xb721c1e3 in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#20 0xb721ce7f in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#21 0xb721d279 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#22 0xb7bc95f8 in gtk_widget_get_default_style () from /usr/lib/libgtk-x11-2.0.so.0
#23 0xb7aaeef3 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#24 0xb7ab00f7 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#25 0xb79397ea in _gdk_events_init () from /usr/lib/libgdk-x11-2.0.so.0
#26 0xb717a802 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#27 0xb717d7df in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#28 0xb717db89 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#29 0xb7ab0574 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#30 0x08055d59 in main (argc=140040528, argv=0xbf9637b4) at sj-main.c:1545
(gdb) info registers
eax            0x0	0
ecx            0x858d930	140040496
edx            0x858d950	140040528
ebx            0x858dc78	140041336
esp            0xbf96253c	0xbf96253c
ebp            0xbf962618	0xbf962618
esi            0x8573ee0	139935456
edi            0x85604b0	139855024
eip            0xb7f49867	0xb7f49867 <gm_audio_profile_get_extension+7>
eflags         0x210246	[ PF ZF IF RF ID ]
cs             0x73	115
ss             0x7b	123
ds             0x7b	123
es             0x7b	123
fs             0x0	0
gs             0x33	51
(gdb) thread apply all backtrace

Thread 22 (Thread -1277695072 (LWP 9000)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb71f2a8c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb71ff113 in ?? () from /usr/lib/libgthread-2.0.so.0
#3  0x0862e818 in ?? ()
#4  0x080acf48 in ?? ()
#5  0xb3d7e3b8 in ?? ()
#6  0xb7f431d8 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#7  0xb7f431d8 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#8  0x0853c158 in ?? ()
#9  0xb3d7e3f8 in ?? ()
#10 0xb7189def in g_queue_peek_tail_link () from /usr/lib/libglib-2.0.so.0
#11 0xb715dad1 in g_async_queue_sort () from /usr/lib/libglib-2.0.so.0
#12 0xb7199ee3 in g_thread_pool_push () from /usr/lib/libglib-2.0.so.0
#13 0xb719838f in g_thread_create_full () from /usr/lib/libglib-2.0.so.0
#14 0xb71ef504 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#15 0xb6fce51e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 21 (Thread -1312826464 (LWP 8996)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb71f2a8c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb71ff113 in ?? () from /usr/lib/libgthread-2.0.so.0
#3  0x0862e818 in ?? ()
#4  0x080acf48 in ?? ()
#5  0xb1bfd3b8 in ?? ()
#6  0xb71ff265 in ?? () from /usr/lib/libgthread-2.0.so.0
#7  0x0862e818 in ?? ()
#8  0x00000000 in ?? ()

Thread 20 (Thread -1287648352 (LWP 8993)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb71f2816 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7f06b38 in gst_system_clock_async_thread (clock=0x840fac0) at gstsystemclock.c:257
#3  0xb719838f in g_thread_create_full () from /usr/lib/libglib-2.0.so.0
#4  0xb71ef504 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb6fce51e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread -1226835552 (LWP 8955)):
#0  0xb7f49867 in gm_audio_profile_get_extension () from /usr/lib/libgnome-media-profiles.so.0
#1  0xb7218b29 in g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0
#2  0xb720b79b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#3  0xb721bb93 in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#4  0xb721d0b7 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#5  0xb721d279 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#6  0xb79e6093 in gtk_button_clicked () from /usr/lib/libgtk-x11-2.0.so.0
#7  0xb79e7cde in gtk_button_set_alignment () from /usr/lib/libgtk-x11-2.0.so.0
#8  0xb7218b29 in g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0
#9  0xb7209fb9 in g_value_set_boxed () from /usr/lib/libgobject-2.0.so.0
#10 0xb720b79b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#11 0xb721c02a in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#12 0xb721d0b7 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#13 0xb721d279 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#14 0xb79e6123 in gtk_button_released () from /usr/lib/libgtk-x11-2.0.so.0
#15 0xb79e6181 in gtk_button_released () from /usr/lib/libgtk-x11-2.0.so.0
#16 0xb7ab5b00 in _gtk_marshal_BOOLEAN__BOXED () from /usr/lib/libgtk-x11-2.0.so.0
#17 0xb7209fb9 in g_value_set_boxed () from /usr/lib/libgobject-2.0.so.0
#18 0xb720b79b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#19 0xb721c1e3 in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#20 0xb721ce7f in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#21 0xb721d279 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#22 0xb7bc95f8 in gtk_widget_get_default_style () from /usr/lib/libgtk-x11-2.0.so.0
#23 0xb7aaeef3 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#24 0xb7ab00f7 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#25 0xb79397ea in _gdk_events_init () from /usr/lib/libgdk-x11-2.0.so.0
#26 0xb717a802 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#27 0xb717d7df in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#28 0xb717db89 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#29 0xb7ab0574 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#30 0x08055d59 in main (argc=140040528, argv=0xbf9637b4) at sj-main.c:1545
(gdb) quit
The program is running.  Exit anyway? (y or n)