Now being tracked in:
https://errors.ubuntu.com/problem/81f2b8597aa91cc904dafb7f0ea2b38a8755f27d

** Description changed:

+ https://errors.ubuntu.com/problem/81f2b8597aa91cc904dafb7f0ea2b38a8755f27d
+ 
+ ---
+ 
  I am using Nvidia 960 GTX HDMI and Onkyo TX-NR708. Problems occurs when
  I turn off the monitors and receiver and then turn them up again.
  Receiver display says it has no signal. Using Ubuntu Gnome 17.04.
  
  ProblemType: Crash
  DistroRelease: Ubuntu 17.04
  Package: pulseaudio 1:10.0-1ubuntu2
  ProcVersionSignature: Ubuntu 4.10.0-14.16-generic 4.10.3
  Uname: Linux 4.10.0-14-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.4-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC2:  jaroslav   2085 F.... pulseaudio
-  /dev/snd/controlC1:  jaroslav   2085 F.... pulseaudio
-  /dev/snd/controlC0:  jaroslav   2085 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC2:  jaroslav   2085 F.... pulseaudio
+  /dev/snd/controlC1:  jaroslav   2085 F.... pulseaudio
+  /dev/snd/controlC0:  jaroslav   2085 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Tue Apr  4 17:43:54 2017
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/pulseaudio
  InstallationDate: Installed on 2017-01-14 (79 days ago)
  InstallationMedia: Ubuntu-GNOME 16.10 "Yakkety Yak" - Release amd64 
(20161012.1)
  ProcCmdline: /usr/bin/pulseaudio --start --log-target=syslog
  Signal: 11
  SourcePackage: pulseaudio
  StacktraceTop:
-  pa_hashmap_get () from 
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
-  pa_proplist_gets () from 
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
-  ?? () from /usr/lib/pulse-10.0/modules/module-zeroconf-publish.so
-  ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
-  pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
+  pa_hashmap_get () from 
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
+  pa_proplist_gets () from 
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
+  ?? () from /usr/lib/pulse-10.0/modules/module-zeroconf-publish.so
+  ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
+  pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
  Title: pulseaudio crashed with SIGSEGV in pa_hashmap_get()
  UpgradeStatus: Upgraded to zesty on 2017-03-03 (31 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 04/12/2016
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P3.40
  dmi.board.name: Z87 Extreme4
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrP3.40:bd04/12/2016:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ87Extreme4:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.
  modified.conffile..etc.pulse.daemon.conf: [modified]
  mtime.conffile..etc.pulse.daemon.conf: 2017-04-04T01:35:13.779746

** Information type changed from Private to Public

** Summary changed:

- pulseaudio crashed with SIGSEGV in pa_hashmap_get()
+ pulseaudio crashed with SIGSEGV in pa_hashmap_get() from pa_proplist_gets() 
from publish_service() from once_callback() from dispatch_defer()

** Changed in: pulseaudio (Ubuntu)
   Importance: Medium => High

-- 
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https://bugs.launchpad.net/bugs/1679744

Title:
  pulseaudio crashed with SIGSEGV in pa_hashmap_get() from
  pa_proplist_gets() from publish_service() from once_callback() from
  dispatch_defer()

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