I also had this problem, but I somehow solved it by downgrading gstreamer0.10-plugins-bad from version 0.10.11-2 to 0.10.10.3-1. Same issue is also making totem-gstreamer crash, which was also solved by the same solution.
pfalc...@paolo-1310:~$ dpkg -l gstreamer0.10-plugins-bad pidgin Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad) ||/ Name Version Description +++-==============-==============-============================================ ii gstreamer0.10- 0.10.10.3-1 GStreamer plugins from the "bad" set ii pidgin 2.5.5-1 graphical multi-protocol instant messaging c pfalc...@paolo-1310:~$ uname -a Linux paolo-1310 2.6.28-1-optimized-core2-mobile #1 SMP Wed Mar 18 13:11:58 PHT 2009 x86_64 GNU/Linux -- Paolo Alexis Falcone pfalc...@gmail.com -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org