What were you doing when the application crashed?
when i opening a mp3 file then this problem occured


Distribution: Fedora release 7 (Moonshine)
Gnome Release: 2.18.0 2007-03-23 (Red Hat, Inc)
BugBuddy Version: 2.18.0

System: Linux 2.6.21-1.3194.fc7 #1 SMP Wed May 23 22:35:01 EDT 2007 i686
X Vendor: The X.Org Foundation
X Vendor Release: 10300000
Selinux: Enforcing
Accessibility: Disabled
GTK+ Theme: Clearlooks
Icon Theme: Fedora

Memory status: size: 108552192 vsize: 108552192 resident: 27533312 share: 16281600 rss: 27533312 rss_rlim: 4294967295
CPU usage: start_time: 1188275920 rtime: 536 utime: 479 stime: 57 cutime:2 cstime: 0 timeout: 0 it_real_value: 0 frequency: 100

Backtrace was generated from '/usr/bin/rhythmbox'

(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1208669648 (LWP 2995)]
[New Thread -1287701616 (LWP 3057)]
[New Thread -1298191472 (LWP 3049)]
[New Thread -1308681328 (LWP 3038)]
[New Thread -1235252336 (LWP 3002)]
(no debugging symbols found)
0x00398402 in __kernel_vsyscall ()

+ Trace 158383

----------- .xsession-errors (13 sec old) ---------------------
SESSION_MANAGER=local/localhost.localdomain:/tmp/.ICE-unix/2748
** (gnome-session:2748): WARNING **: Host name lookup failure on localhost.
error getting update info:  Cannot open/read repomd.xml file for repository: fedora
** Message: don't know how to handle audio/mpeg, mpegversion=(int)1, layer=(int)3
** Message: Error: You do not have a decoder installed to handle this file. You might need to install the necessary plugins.
gstplaybasebin.c(2182): prepare_output (): /play
** Message: Missing plugin: gstreamer.net|0.10|totem|MPEG-1 Layer 3 (MP3) decoder|decoder-audio/mpeg, mpegversion=(int)1, layer=(int)3 (MPEG-1 Layer 3 (MP3) decoder)
** Message: Automatic missing codec installation not supported (helper script missing)
(rhythmbox:2995): libgnomevfs-CRITICAL **: gnome_vfs_close_cancellable: assertion `handle != NULL' failed
GThread-ERROR **: file gthread-posix.c: line 171 (): error 'Device or resource busy' during 'pthread_mutex_destroy ((pthread_mutex_t *) mutex)'
aborting...
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