pavucontrol crashed with SIGSEGV in pa_atomic_load()

[Jo-Erlend Schinstad]

It crashes when I switch to the Recording-tab.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: pavucontrol 1.0-1
ProcVersionSignature: Ubuntu 3.10.0-6.17-generic 3.10.3
Uname: Linux 3.10.0-6-generic x86_64
ApportVersion: 2.12-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Sun Aug 4 21:23:07 2013
ExecutablePath: /usr/bin/pavucontrol
InstallationDate: Installed on 2013-06-26 (38 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130618)
MarkForUpload: True
ProcCmdline: pavucontrol
ProcEnviron:
 LANGUAGE=nb_NO:nb:no_NO:no:nn_NO:nn:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=nb_NO.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f0d2de71da7 <pa_memblock_unref+23>: mov (%rdi),%eax
 PC (0x7f0d2de71da7) ok
 source "(%rdi)" (0x7f0d13fff000) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: pavucontrol
StacktraceTop:
 pa_memblock_unref () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
 pa_pstream_unref () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
 ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
 ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: pavucontrol crashed with SIGSEGV in pa_memblock_unref()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 pa_atomic_load (a=0x7f0d13fff000) at ./pulsecore/atomic.h:57
 pa_memblock_unref (b=0x7f0d13fff000) at pulsecore/memblock.c:597
 pstream_free (p=0xe866d0) at pulsecore/pstream.c:317
 pa_pstream_unref (p=0xe866d0) at pulsecore/pstream.c:967
 do_pstream_read_write (p=0xe866d0) at pulsecore/pstream.c:204

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.