rhythmbox crashed with SIGSEGV in rb_encoder_encode()

[Masahumi]

Binary package hint: rhythmbox

Description: Ubuntu lucid (development branch)
Release: 10.04
rhythmbox:
  インストールされているバージョン: 0.12.7git20100325-0ubuntu1
  候補: 0.12.7git20100325-0ubuntu1
  バージョンテーブル:
 *** 0.12.7git20100325-0ubuntu1 0
        500 http://jp.archive.ubuntu.com/ubuntu/ lucid/main Packages
        100 /var/lib/dpkg/status

I was encoding from audio CD to ogg files.
Then rhythmbox said "Are you over write?" and I clicked "No"
Suddenly, rhythmbox freezed and crashed.

ProblemType: Crash
Architecture: i386
CheckboxSubmission: de7aeb9ca384ecacb6908ed91dcae509
CheckboxSystem: 98f3e9129a9c70ad4b6e34acd7f715de
Date: Sat Mar 27 12:02:17 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/bin/rhythmbox
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
Package: rhythmbox 0.12.7git20100325-0ubuntu1
ProcCmdline: rhythmbox /home/username/.gvfs/cdda\ が\ sr0\ にマウントしました
ProcEnviron:
 LANG=ja_JP.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
SegvAnalysis:
 Segfault happened at: 0x1c7fda: mov 0x4(%eax),%ecx
 PC (0x001c7fda) ok
 source "0x4(%eax)" (0xaaaaaaae) not located in a known VMA region (needed readable region)!
 destination "%ecx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: rhythmbox
StacktraceTop:
 ?? () from /usr/lib/librhythmbox-core.so.0
 rb_encoder_encode () from /usr/lib/librhythmbox-core.so.0
 ?? () from /usr/lib/librhythmbox-core.so.0
 ?? () from /usr/lib/librhythmbox-core.so.0
 rb_marshal_VOID__UINT64 ()
Title: rhythmbox crashed with SIGSEGV in rb_encoder_encode()
Uname: Linux 2.6.32-17-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (polkit-gnome-authentication-agent-1:1124): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (rhythmbox:3833): Rhythmbox-WARNING **: Could not open device /dev/radio0
 (tomboy:4055): GLib-CRITICAL **: g_source_remove: assertion `tag > 0' failed

[Apport retracing service (apport)]

StacktraceTop:
 rb_encoder_gst_encode (encoder=0xacaec58, entry=0xaa9a100,
 rb_encoder_encode (encoder=0xacaec58, entry=0xaa9a100,
 do_transfer (manager=<value optimized out>)
 completed_cb (encoder=0xaab4058, dest_size=1,
 rb_marshal_VOID__UINT64 (closure=0xa9e0c00,