audio_playback crashed with signal 5 in g_object_unref()

[laughtear]

Binary package hint: hwtest

have no idea

ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/share/hwtest/scripts/audio_playback
InterpreterPath: /usr/bin/python2.5
Package: hwtest 0.1-0ubuntu10
PackageArchitecture: all
ProcAttrCurrent: unconfined
ProcCmdline: /usr/bin/python /usr/share/hwtest/scripts/audio_playback /usr/share/hwtest/data/audio_playback.wav
ProcEnviron:
 PATH=/usr/share/hwtest/scripts:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
 LANG=tr_TR.UTF-8
 SHELL=/bin/bash
Signal: 5
SourcePackage: hwtest
StacktraceTop:
 ?? () from /usr/lib/libgthread-2.0.so.0
 ?? () from /usr/lib/gstreamer-0.10/libgstalsa.so
 g_object_unref () from /usr/lib/libgobject-2.0.so.0
 ?? () from /usr/lib/libgstbase-0.10.so.0
 gst_pad_send_event ()
Title: audio_playback crashed with signal 5 in g_object_unref()
Uname: Linux 2.6.27-2-generic x86_64
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