On breezy :  
ii  xmms                   1.2.10+cvs20050209-2ub Versatile X audio player that looks like Winamp 
ii  xmms-arts              0.7.1-4                aRts Output plugin for xmms 
ii  xmms-flac              1.1.2-1ubuntu1         Free Lossless Audio Codec - XMMS input plugin 
ii  xmms-jack              0.14-3ubuntu4          xmms output plugin to the jack audio server 
ii  xmms-jackasyn          0.1-2                  JACK Output plugin for xmms 
ii  xmms-mad               0.8-1                  mp3 input plugin for xmms based on libmad 
ii  xmms-modplug           2.05-8build1           ModPlug plugin for XMMS 
ii  xmms-mp4               2.0.0clean-0ubuntu1    a mp4/aac audio player for xmms 
ii  xmms-musepack          1.2-RC1-0ubuntu1       Musepack Plugin for Beep-Media-Player 
ii  xmms-osd-plugin        2.2.14-1.2             XMMS plugin using xosd 
ii  xmms-sid               0.7.4+0.8.0beta14-1bui Input plugin for XMMS that plays SID (C64) tunes 
ii  xmms-singit            0.1.28-2               Display and edit lyrics with XMMS 
ii  xmms-skins             0.5-1                  Skins for XMMS 
ii  xmms-status-plugin     1.0.0-2                Status panel applet for XMMS 
ii  xmms-volnorm           0.8.1-3                XMMS plugin that gives all songs the same volume level 
un  xmms-vorbis            <néant>               (aucune description n'est disponible) 
ii  xmms-xf86audio         0.4.2-1                XF86Audio multimedia-key support for XMMS 
un  xmmsarts               <néant>               (aucune description n'est disponible) 
 
removing then reinstalling the xmms-flac plugin does not correct the problem. 
 
$ gdb xmms 
GNU gdb 6.3-debian 
Copyright 2004 Free Software Foundation, Inc. 
GDB is free software, covered by the GNU General Public License, and you are 
welcome to change it and/or distribute copies of it under certain conditions. 
Type "show copying" to see the conditions. 
There is absolutely no warranty for GDB.  Type "show warranty" for details. 
This GDB was configured as "i486-linux-gnu"...(no debugging symbols found) 
Using host libthread_db library "/lib/tls/libthread_db.so.1". 
 
(gdb) run 
Starting program: /usr/bin/xmms 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
[Thread debugging using libthread_db enabled] 
[New Thread -1213610304 (LWP 11370)] 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
[New Thread -1215898704 (LWP 11373)] 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
---Type <return> to continue, or q <return> to quit--- 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
---Type <return> to continue, or q <return> to quit--- 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
(no debugging symbols found) 
Message: device: default 
Message: fmt 5, channels: 2 
*** glibc detected *** double free or corruption (out): 0xb6cd2738 *** 
 
Program received signal SIGABRT, Aborted. 
[Switching to Thread -1213610304 (LWP 11370)] 
0xb7bca62b in raise () from /lib/tls/libc.so.6 
(gdb) where 
#0  0xb7bca62b in raise () from /lib/tls/libc.so.6 
#1  0xb7bcbd3f in abort () from /lib/tls/libc.so.6 
#2  0xb7bfd2ad in __fsetlocking () from /lib/tls/libc.so.6 
#3  0xb7c034e6 in malloc_trim () from /lib/tls/libc.so.6 
#4  0xb7c0387d in free () from /lib/tls/libc.so.6 
#5  0xb7e19d53 in g_free () from /usr/lib/libglib-1.2.so.0 
#6  0xb6cc79a7 in set_track_info () from /usr/lib/xmms/Input/libxmms-flac.so 
#7  0xb6cd2465 in ?? () from /usr/lib/xmms/Input/libxmms-flac.so 
#8  0xb6cd1872 in ?? () from /usr/lib/xmms/Input/libxmms-flac.so 
#9  0xb6cd41f4 in flac_cfg () from /usr/lib/xmms/Input/libxmms-flac.so 
#10 0x081f8288 in ?? () 
#11 0x082104b4 in ?? () 
#12 0xb6cd2465 in ?? () from /usr/lib/xmms/Input/libxmms-flac.so 
#13 0xb6daac7c in vorbis_cfg () from /usr/lib/xmms/Input/libvorbis.so 
#14 0x081f6004 in ?? () 
#15 0xb7ff5b30 in _dl_rtld_di_serinfo () from /lib/ld-linux.so.2 
#16 0x08065fe2 in init_plugins () 
#17 0x08083265 in main () 
(gdb) q 
The program is running.  Exit anyway? (y or n) y