indicator-sound-service crashed with SIGABRT in raise()

[miked]

win7 wubi amd64 11.04 install upgraded to Oneiric Ocelot. 11.10 beta 1/2 now.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: indicator-sound 0.7.7.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
Date: Sat Sep 24 22:40:49 2011
ExecutablePath: /usr/lib/indicator-sound/indicator-sound-service
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcCmdline: /usr/lib/indicator-sound/indicator-sound-service
ProcCwd: /
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANG=en_US.UTF-8
Signal: 6
SourcePackage: indicator-sound
StacktraceTop:
 raise () from /lib/x86_64-linux-gnu/libc.so.6
 abort () from /lib/x86_64-linux-gnu/libc.so.6
 pa_cvolume_set () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
 ?? ()
 dbusmenu_menuitem_handle_event () from /usr/lib/libdbusmenu-glib.so.4
Title: indicator-sound-service crashed with SIGABRT in raise()
UpgradeStatus: Upgraded to oneiric on 2011-09-12 (16 days ago)
UserGroups: admin

[Apport retracing service (apport)]

StacktraceTop:
 poll_func (ufds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>, userdata=<optimized out>) at pulse/thread-mainloop.c:63
 poll_func (ufds=0x1e45200, nfds=31740416, timeout=0, userdata=0x7fff93c8eb10) at pulse/thread-mainloop.c:59
 ?? ()