Closing as expired, since there's not enough info to debug this.
Also, it appears this is crashing in some 'crossfade' plugin, but I'm
seeing no sign of that in the audacious source code, nor in audacious-
plugins. So maybe this bug is misfiled anyway.
** Changed in: audacious (Ubuntu)
Thanks for your bug report. Please try to obtain a backtrace
http://wiki.ubuntu.com/DebuggingProgramCrash and attach the file to the
bug report. This will greatly help us in tracking down your problem.
** Attachment removed: CoreDump.gz
http://launchpadlibrarian.net/18577899/CoreDump.gz
**
