ok. I followed your suggestion and now reporting again:<br>
<br>
1. first run:<br>
<br>
~$ MALLOC_CHECK_=2 gdb totem<br>
(gdb) set pagination 0<br>
(gdb) run<br>
Starting program: /usr/bin/totem<br>
[Thread debugging using libthread_db enabled]<br>
[New Thread 46912582368064 (LWP 9086)]<br>
[New Thread 1082132832 (LWP 9089)]<br>
[New Thread 1090525536 (LWP 9090)]<br>
[New Thread 1098918240 (LWP 9091)]<br>
[New Thread 1107310944 (LWP 9092)]<br>
[New Thread 1115703648 (LWP 9093)]<br>
[New Thread 1124096352 (LWP 9094)]<br>
[New Thread 1132489056 (LWP 9095)]<br>
[New Thread 1140881760 (LWP 9096)]<br>
[New Thread 1149274464 (LWP 9097)]<br>
[Thread 1149274464 (LWP 9097) exited]<br>
<br>
start playing:<br>
[New Thread 1149540704 (LWP 9098)]<br>
[New Thread 1149806944 (LWP 9099)]<br>
[New Thread 1150073184 (LWP 9100)]<br>
[New Thread 1149274464 (LWP 9101)]<br>
- since Preferences->Display->Show visual effect blah~ unchecked()<br>
- playing with no errors.<br>
<br>
suddenly Preferences->Display->Show visual effect blah~ checking()<br>
- oh no~~ the errors were not occurred. god!<br>
<br>
ok tryed to try it again. but suddenly the newly forked(? or started)thread<br>
stopped.(because probably I had already checked on the play-repeat option)<br>
<br>
[New Thread 1149274464 (LWP 9104)]<br>
<br>
Program received signal SIGSEGV, Segmentation fault.<br>
[Switching to Thread 1132489056 (LWP 9095)]<br>
0x00002aaab2933737 in zoom_filter_c () from /usr/lib/xine/plugins/1.0.1/post/xineplug_post_goom.so<br>
<br>
yes, that's the very error with goom effect.<br>
<br>
<pre class="wiki">(gdb) 'bt' shows just meanless(?) lists of backtrace.</pre>
..<br>
#14634 0x0000000000000000 in ?? ()<br>
..<br>
killing gdb (or my term forcefully)<br>
<br>
as the show visual effect option checked already.<br>
after stared & playing the same or different music may make no error.<br>
but while playing again it stopped again with following message:<br>
<br>
[New Thread 1149274464 (LWP 9141)]<br>
<br>
Program received signal SIGSEGV, Segmentation fault.<br>
[Switching to Thread 1132489056 (LWP 9135)]<br>
0x00002aaab245f737 in zoom_filter_c () from /usr/lib/xine/plugins/1.0.1/post/xineplug_post_goom.so<br>
<br>
the same error, isn't it?<br>
now with '(gdb) thread apply all bt full 10' I got another message which may help you tracking the errors:<br>
<br>
as the page scroll up area was limited I couldn't get so many message.<br>
but tried also:<br>
..<br>
(gdb) thread apply all bt full 10Thread 8 (Thread 1132489056 (LWP 9135)):<br>
#0 0x00002aaab245f737 in zoom_filter_c () from /usr/lib/xine/plugins/1.0.1/post/xineplug_post_goom.so<br>
No symbol table info available.<br>
#1 0x00002aaab245eca3 in zoomFilterFastRGB () from /usr/lib/xine/plugins/1.0.1/post/xineplug_post_goom.so<br>
No symbol table info available.<br>
#2 0x00002aaab2461efa in goom_update () from /usr/lib/xine/plugins/1.0.1/post/xineplug_post_goom.so<br>
No symbol table info available.<br>
#3 0x00002aaab245c7dd in ?? () from /usr/lib/xine/plugins/1.0.1/post/xineplug_post_goom.so<br>
No symbol table info available.<br>
#4 0x00002aaab76a32fc in mad_timer_set () from /usr/lib/xine/plugins/1.0.1/xineplug_decode_mad.so<br>
No symbol table info available.<br>
#5 0x00002aaaabc245a2 in _x_waveformatex_le2me () from /usr/lib/libxine.so.1<br>
No symbol table info available.<br>
#6 0x00002aaaaf06db1c in start_thread () from /lib/libpthread.so.0<br>
No symbol table info available.<br>
#7 0x00002aaaaf3d8273 in clone () from /lib/libc.so.6<br>
No symbol table info available.<br>
..<br>
<br>
Thread 8 (Thread 1132489056 (LWP 9135)):<br>
#0 0x00002aaab245f737 in zoom_filter_c () from /usr/lib/xine/plugins/1.0.1/post/xineplug_post_goom.so<br>
No symbol table info available.<br>
#1 0x00002aaab245eca3 in zoomFilterFastRGB () from /usr/lib/xine/plugins/1.0.1/post/xineplug_post_goom.so<br>
No symbol table info available.<br>
#2 0x00002aaab2461efa in goom_update () from /usr/lib/xine/plugins/1.0.1/post/xineplug_post_goom.so<br>
No symbol table info available.<br>
#3 0x00002aaab245c7dd in ?? () from /usr/lib/xine/plugins/1.0.1/post/xineplug_post_goom.so<br>
No symbol table info available.<br>
#4 0x00002aaab76a32fc in mad_timer_set () from /usr/lib/xine/plugins/1.0.1/xineplug_decode_mad.so<br>
No symbol table info available.<br>
#5 0x00002aaaabc245a2 in _x_waveformatex_le2me () from /usr/lib/libxine.so.1<br>
No symbol table info available.<br>
#6 0x00002aaaaf06db1c in start_thread () from /lib/libpthread.so.0<br>
No symbol table info available.<br>
#7 0x00002aaaaf3d8273 in clone () from /lib/libc.so.6<br>
No symbol table info available.<br>
#8 0x0000000000000000 in ?? ()<br>
No symbol table info available.<br>
#9 0x0000000000000000 in ?? ()<br>
No symbol table info available.<br>
(More stack frames follow...)<br>
<br>
Thread 5 (Thread 1107310944 (LWP 9132)):<br>
#0 0x00002aaaaf3ceef0 in poll () from /lib/libc.so.6<br>
No symbol table info available.<br>
#1 0x00002aaab41d3b56 in ?? () from /usr/lib/xine/plugins/1.0.1/xineplug_ao_out_alsa.so<br>
No symbol table info available.<br>
#2 0x00002aaaaf06db1c in start_thread () from /lib/libpthread.so.0<br>
No symbol table info available.<br>
#3 0x00002aaaaf3d8273 in clone () from /lib/libc.so.6<br>
No symbol table info available.<br>
<br>
Thread 4 (Thread 1098918240 (LWP 9131)):<br>
#0 0x00002aaaaf072dd5 in __nanosleep_nocancel () from /lib/libpthread.so.0<br>
No symbol table info available.<br>
#1 0x00002aaaabc41e9d in xine_usec_sleep () from /usr/lib/libxine.so.1<br>
No symbol table info available.<br>
#2 0x00002aaaabc276d4 in xine_get_next_video_frame () from /usr/lib/libxine.so.1<br>
No symbol table info available.<br>
#3 0x00002aaaaf06db1c in start_thread () from /lib/libpthread.so.0<br>
No symbol table info available.<br>
#4 0x00002aaaaf3d8273 in clone () from /lib/libc.so.6<br>
No symbol table info available.<br>
<br>
Thread 3 (Thread 1090525536 (LWP 9130)):<br>
#0 0x00002aaaaf06fd2f in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0<br>
No symbol table info available.<br>
#1 0x00002aaaabc199b3 in xine_open () from /usr/lib/libxine.so.1<br>
No symbol table info available.<br>
#2 0x00002aaaaf06db1c in start_thread () from /lib/libpthread.so.0<br>
No symbol table info available.<br>
#3 0x00002aaaaf3d8273 in clone () from /lib/libc.so.6<br>
No symbol table info available.<br>
#4 0x0000000000000000 in ?? ()<br>
No symbol table info available.<br>
<br>
Thread 2 (Thread 1082132832 (LWP 9129)):<br>
#0 0x00002aaaaf3ceef0 in poll () from /lib/libc.so.6<br>
No symbol table info available.<br>
#1 0x00002aaaaf1a7453 in g_main_context_check () from /usr/lib/libglib-2.0.so.0<br>
No symbol table info available.<br>
#2 0x00002aaaaf1a78ba in g_main_loop_run () from /usr/lib/libglib-2.0.so.0<br>
No symbol table info available.<br>
#3 0x00002aaaae869690 in link_thread_io_context () from /usr/lib/libORBit-2.so.0<br>
No symbol table info available.<br>
#4 0x00002aaaaf1c08cb in g_static_private_free () from /usr/lib/libglib-2.0.so.0<br>
No symbol table info available.<br>
#5 0x00002aaaaf06db1c in start_thread () from /lib/libpthread.so.0<br>
No symbol table info available.<br>
#6 0x00002aaaaf3d8273 in clone () from /lib/libc.so.6<br>
<br>
!!!!! finally could this be the most important clue to solve it? !!!!!<br>
Thread 1 (Thread 46912582368064 (LWP 9126)):<br>
#0 0x00002aaaaf3ceef0 in poll () from /lib/libc.so.6<br>
No symbol table info available.<br>
#1 0x00002aaaaf1a7453 in g_main_context_check () from /usr/lib/libglib-2.0.so.0<br>
No symbol table info available.<br>
#2 0x00002aaaaf1a78ba in g_main_loop_run () from /usr/lib/libglib-2.0.so.0<br>
No symbol table info available.<br>
#3 0x00002aaaacb55b80 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0<br>
No symbol table info available.<br>
#4 0x000000000041cebe in main (argc=0, argv=0x7fffffd0b780) at totem.c:3621<br>
totem = Variable "totem" is not available.<br>
#0 0x00002aaab245f737 in zoom_filter_c () from /usr/lib/xine/plugins/1.0.1/post/xineplug_post_goom.so<br>