Bug#856487: pulseaudio: SIGSEGV upon streaming to bluetooth headset

linus.luessing at c0d3.blue linus.luessing at c0d3.blue
Wed Mar 1 14:45:31 UTC 2017


Package: pulseaudio
Version: 10.0-1
Severity: important

Hi,

I updated pulseaudio from 9.0-5 to 10.0-1 two days ago and since then
I'm having segfaults for it when using bluetooth.

Using the local sound card works fine, also connecting the headset with
the bluetooth stick still works.

However once I actually start streaming audio to the headset, pulseaudio
crashes immediately, always.

Devices involved:
* Machine: Odroid U3 (an ARMv7 device)
* Headset: Plantronics Backbeat Pro
* Stick: Sena Parani-UD100-G03 Bluetooth Adapter

The coredump seems to contain a broken stack, unfortunately :( :

#####
sudo coredumpctl dump --output /tmp/core
           PID: 15991 (pulseaudio)
           UID: 1001 (odroid)
           GID: 1001 (odroid)
        Signal: 11 (SEGV)
     Timestamp: Wed 2017-03-01 08:00:18 CET (7h ago)
  Command Line: pulseaudio -D
    Executable: /usr/bin/pulseaudio
 Control Group: /system.slice/tigervncserver.service
          Unit: tigervncserver.service
         Slice: system.slice
       Boot ID: ac412473aa4a4c6bb9a7784048ee138c
    Machine ID: 5716166b59b3477b83939474094b846e
      Hostname: otheros
       Storage: /var/lib/systemd/coredump/core.pulseaudio.1001.ac412473aa4a4c6bb9a7784048ee138c.15991.1488351618000000000000.lz4
       Message: Process 15991 (pulseaudio) of user 1001 dumped core.
                
                Stack trace of thread 17605:
                #0  0x00000000b0e0b962 n/a (libsbc.so.1)
More than one entry matches, ignoring rest.
#####

Storage part can be found here:
http://metameute.de/~tux/bugreport/pulseaudio/core.pulseaudio.1001.ac412473aa4a4c6bb9a7784048ee138c.15991.1488351618000000000000.lz4

Or the coredump created via the "coredumpctl dump --output" above:
http://metameute.de/~tux/bugreport/pulseaudio/pulseaudio.core.xz

Regards, Linus

#####
odroid(1001)$ cat ~/.config/pulse/default.pa
.include /etc/pulse/default.pa

load-module module-native-protocol-unix socket=/tmp/my-pulse-socket-name
load-module module-native-protocol-tcp auth-ip-acl=127.0.0.1 auth-anonymous=1
#####


-- Package-specific info:
File '/etc/default/pulseaudio' does not exist


-- System Information:
Debian Release: 9.0
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: armhf (armv7l)

Kernel: Linux 4.2.3-00234-g11acd64 (SMP w/4 CPU cores; PREEMPT)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages pulseaudio depends on:
ii  adduser                      3.115
ii  libasound2                   1.1.3-5
ii  libasound2-plugins           1.1.1-1
ii  libc6                        2.24-9
ii  libcap2                      1:2.25-1
ii  libdbus-1-3                  1.10.16-1
ii  libgcc1                      1:6.3.0-8
ii  libice6                      2:1.0.9-2
ii  libltdl7                     2.4.6-2
ii  liborc-0.4-0                 1:0.4.26-2
ii  libpulse0                    10.0-1
ii  libsm6                       2:1.2.2-1+b1
ii  libsndfile1                  1.0.27-1+b1
ii  libsoxr0                     0.1.2-2
ii  libspeexdsp1                 1.2~rc1.2-1+b2
ii  libstdc++6                   6.3.0-8
ii  libsystemd0                  232-18
ii  libtdb1                      1.3.11-2
ii  libudev1                     232-18
ii  libwebrtc-audio-processing1  0.3-1
ii  libx11-6                     2:1.6.4-3
ii  libx11-xcb1                  2:1.6.4-3
ii  libxcb1                      1.12-1
ii  libxtst6                     2:1.2.3-1
ii  lsb-base                     9.20161125
ii  pulseaudio-utils             10.0-1

Versions of packages pulseaudio recommends:
ii  rtkit  0.11-4

Versions of packages pulseaudio suggests:
pn  paman        <none>
pn  paprefs      <none>
ii  pavucontrol  3.0-3+b2
pn  pavumeter    <none>
ii  udev         232-18

-- Configuration Files:
/etc/pulse/default.pa changed:
.fail
load-module module-device-restore
load-module module-stream-restore
load-module module-card-restore
load-module module-augment-properties
load-module module-switch-on-port-available
.ifexists module-udev-detect.so
load-module module-udev-detect
.else
load-module module-detect
.endif
.ifexists module-jackdbus-detect.so
.nofail
load-module module-jackdbus-detect channels=2
.fail
.endif
.ifexists module-bluetooth-policy.so
load-module module-bluetooth-policy
.endif
.ifexists module-bluetooth-discover.so
load-module module-bluetooth-discover
.endif
.ifexists module-esound-protocol-unix.so
load-module module-esound-protocol-unix
.endif
load-module module-native-protocol-unix
load-module module-native-protocol-tcp auth-anonymous=true
.ifexists module-gconf.so
.nofail
load-module module-gconf
.fail
.endif
load-module module-default-device-restore
load-module module-rescue-streams
load-module module-always-sink
load-module module-intended-roles
load-module module-suspend-on-idle
.ifexists module-console-kit.so
load-module module-console-kit
.endif
.ifexists module-systemd-login.so
load-module module-systemd-login
.endif
load-module module-position-event-sounds
load-module module-role-cork
load-module module-filter-heuristics
load-module module-filter-apply


-- no debconf information
-------------- next part --------------
# This file is part of PulseAudio.
#
# PulseAudio is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.

## Configuration file for PulseAudio clients. See pulse-client.conf(5) for
## more information. Default values are commented out.  Use either ; or # for
## commenting.

; default-sink =
; default-source =
; default-server =
; default-dbus-server =

; autospawn = yes
; daemon-binary = /usr/bin/pulseaudio
; extra-arguments = --log-target=syslog

; cookie-file =

; enable-shm = yes
; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB

; auto-connect-localhost = no
; auto-connect-display = no
-------------- next part --------------
# This file is part of PulseAudio.
#
# PulseAudio is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.

## Configuration file for the PulseAudio daemon. See pulse-daemon.conf(5) for
## more information. Default values are commented out.  Use either ; or # for
## commenting.

; daemonize = no
; fail = yes
; allow-module-loading = yes
; allow-exit = yes
; use-pid-file = yes
; system-instance = no
; local-server-type = user
; enable-shm = yes
; enable-memfd = yes
; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB
; lock-memory = no
; cpu-limit = no

; high-priority = yes
; nice-level = -11

; realtime-scheduling = yes
; realtime-priority = 5

; exit-idle-time = 20
; scache-idle-time = 20

; dl-search-path = (depends on architecture)

; load-default-script-file = yes
; default-script-file = /etc/pulse/default.pa

; log-target = auto
; log-level = notice
; log-meta = no
; log-time = no
; log-backtrace = 0

; resample-method = speex-float-1
; enable-remixing = yes
; enable-lfe-remixing = no
; lfe-crossover-freq = 0

; flat-volumes = yes

; rlimit-fsize = -1
; rlimit-data = -1
; rlimit-stack = -1
; rlimit-core = -1
; rlimit-as = -1
; rlimit-rss = -1
; rlimit-nproc = -1
; rlimit-nofile = 256
; rlimit-memlock = -1
; rlimit-locks = -1
; rlimit-sigpending = -1
; rlimit-msgqueue = -1
; rlimit-nice = 31
; rlimit-rtprio = 9
; rlimit-rttime = 200000

; default-sample-format = s16le
; default-sample-rate = 44100
; alternate-sample-rate = 48000
; default-sample-channels = 2
; default-channel-map = front-left,front-right

; default-fragments = 4
; default-fragment-size-msec = 25

; enable-deferred-volume = yes
; deferred-volume-safety-margin-usec = 8000
; deferred-volume-extra-delay-usec = 0
-------------- next part --------------
#!/usr/bin/pulseaudio -nF
#
# This file is part of PulseAudio.
#
# PulseAudio is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.

# This startup script is used only if PulseAudio is started per-user
# (i.e. not in system mode)

.fail

### Automatically restore the volume of streams and devices
load-module module-device-restore
load-module module-stream-restore
load-module module-card-restore

### Automatically augment property information from .desktop files
### stored in /usr/share/application
load-module module-augment-properties

### Should be after module-*-restore but before module-*-detect
load-module module-switch-on-port-available

### Load audio drivers statically
### (it's probably better to not load these drivers manually, but instead
### use module-udev-detect -- see below -- for doing this automatically)
#load-module module-alsa-sink
#load-module module-alsa-source device=hw:1,0
#load-module module-oss device="/dev/dsp" sink_name=output source_name=input
#load-module module-oss-mmap device="/dev/dsp" sink_name=output source_name=input
#load-module module-null-sink
#load-module module-pipe-sink

### Automatically load driver modules depending on the hardware available
.ifexists module-udev-detect.so
load-module module-udev-detect
.else
### Use the static hardware detection module (for systems that lack udev support)
load-module module-detect
.endif

### Automatically connect sink and source if JACK server is present
.ifexists module-jackdbus-detect.so
.nofail
load-module module-jackdbus-detect channels=2
.fail
.endif

### Automatically load driver modules for Bluetooth hardware
.ifexists module-bluetooth-policy.so
load-module module-bluetooth-policy
.endif

.ifexists module-bluetooth-discover.so
load-module module-bluetooth-discover
.endif

### Load several protocols
.ifexists module-esound-protocol-unix.so
load-module module-esound-protocol-unix
.endif
load-module module-native-protocol-unix

### Network access (may be configured with paprefs, so leave this commented
### here if you plan to use paprefs)
#load-module module-esound-protocol-tcp
#load-module module-native-protocol-tcp
load-module module-native-protocol-tcp auth-anonymous=true
#load-module module-zeroconf-publish

### Load the RTP receiver module (also configured via paprefs, see above)
#load-module module-rtp-recv

### Load the RTP sender module (also configured via paprefs, see above)
#load-module module-null-sink sink_name=rtp format=s16be channels=2 rate=44100 sink_properties="device.description='RTP Multicast Sink'"
#load-module module-rtp-send source=rtp.monitor

### Load additional modules from GConf settings. This can be configured with the paprefs tool.
### Please keep in mind that the modules configured by paprefs might conflict with manually
### loaded modules.
.ifexists module-gconf.so
.nofail
load-module module-gconf
.fail
.endif

### Automatically restore the default sink/source when changed by the user
### during runtime
### NOTE: This should be loaded as early as possible so that subsequent modules
### that look up the default sink/source get the right value
load-module module-default-device-restore

### Automatically move streams to the default sink if the sink they are
### connected to dies, similar for sources
load-module module-rescue-streams

### Make sure we always have a sink around, even if it is a null sink.
load-module module-always-sink

### Honour intended role device property
load-module module-intended-roles

### Automatically suspend sinks/sources that become idle for too long
load-module module-suspend-on-idle

### If autoexit on idle is enabled we want to make sure we only quit
### when no local session needs us anymore.
.ifexists module-console-kit.so
load-module module-console-kit
.endif
.ifexists module-systemd-login.so
load-module module-systemd-login
.endif

### Enable positioned event sounds
load-module module-position-event-sounds

### Cork music/video streams when a phone stream is active
load-module module-role-cork

### Modules to allow autoloading of filters (such as echo cancellation)
### on demand. module-filter-heuristics tries to determine what filters
### make sense, and module-filter-apply does the heavy-lifting of
### loading modules and rerouting streams.
load-module module-filter-heuristics
load-module module-filter-apply

### Make some devices default
#set-default-sink output
#set-default-source input
-------------- next part --------------
#!/usr/bin/pulseaudio -nF
#
# This file is part of PulseAudio.
#
# PulseAudio is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.

# This startup script is used only if PulseAudio is started in system
# mode.

### Automatically load driver modules depending on the hardware available
.ifexists module-udev-detect.so
load-module module-udev-detect
.else
### Use the static hardware detection module (for systems that lack udev/hal support)
load-module module-detect
.endif

### Load several protocols
.ifexists module-esound-protocol-unix.so
load-module module-esound-protocol-unix
.endif
load-module module-native-protocol-unix

### Automatically restore the volume of streams and devices
load-module module-stream-restore
load-module module-device-restore

### Automatically restore the default sink/source when changed by the user
### during runtime
### NOTE: This should be loaded as early as possible so that subsequent modules
### that look up the default sink/source get the right value
load-module module-default-device-restore

### Automatically move streams to the default sink if the sink they are
### connected to dies, similar for sources
load-module module-rescue-streams

### Make sure we always have a sink around, even if it is a null sink.
load-module module-always-sink

### Automatically suspend sinks/sources that become idle for too long
load-module module-suspend-on-idle

### Enable positioned event sounds
load-module module-position-event-sounds


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