audio_playback crashed with signal 5 in g_object_unref()

[Walter_Wittel]

Binary package hint: hwtest

Description: Ubuntu intrepid (development branch)
Release: 8.10

Actually I have no sound at all. Originally could not install Ubuntu 8.4 at all on my new mini Notebook HP2133. Only 8.10 made my display available. But still have NO SOUND with all applications...

ProblemType: Crash
Architecture: amd64
Date: Sun Jun 29 02:33:07 2008
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/share/hwtest/scripts/audio_playback
InterpreterPath: /usr/bin/python2.5
Package: hwtest 0.1-0ubuntu10
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/hwtest/scripts/audio_playback /usr/share/hwtest/data/audio_playback.wav
ProcCwd: /home/walter
ProcEnviron:
 PATH=/usr/share/hwtest/scripts:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
 LANG=en_CA.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 2.6.26-2-generic x86_64
UserGroups:

[ibizatunes (ibizatunes)]

Hello, i can confirm this bug, in ubuntu 8.10 - full patched
I just had it when running hardware test wizard, and banshee was running in the background (not playing sound though)
I have the audigy 2 sound card x64 bit, kernel 2.6.26.5-generic
I have attached my crash report