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[Hauke Wintjen <hwintjen@xxxxxxxxxxxxxxxxxxx>]

Reported as suggested :
https://gitlab.freedesktop.org/pulseaudio/pulseaudio/issues/604

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https://bugs.launchpad.net/bugs/1806860

Title:
  Pulseaudio module-jack-source unable to connect to jackd2

Status in jackd2 package in Ubuntu:
  Incomplete
Status in pulseaudio package in Ubuntu:
  Incomplete

Bug description:
  When installing jackd2 in ubuntu 18.04, i am unable to load the
  module-jack-source.

  Syslog gives me:

  Dec  5 11:49:45 nvidion pulseaudio[7905]: JACK error >attempt to connect to server failed<
  Dec  5 11:49:45 nvidion pulseaudio[7905]: jack_client_open() failed.
  Dec  5 11:49:45 nvidion pulseaudio[7905]: Failed to load module "module-jack-source" (argument: ""): initialization failed.
  Dec  5 11:49:45 nvidion pulseaudio[7905]: JACK error >connect(2) call to /dev/shm/jack-1000/default/jack_0 failed (err=Datei oder Verzeichnis nicht gefunden)<
  Dec  5 11:49:50 nvidion pulseaudio[7905]: message repeated 5 times: [ JACK error >connect(2) call to /dev/shm/jack-1000/default/jack_0 failed (err=Datei oder Verzeichnis nicht gefunden)<]
  Dec  5 11:49:51 nvidio

  So the path to the shared memory location is not as expected.

  When jackd2 is running i have:

  hcw@nvidion:$ cd /dev/shm/
  hcw@nvidion:/dev/shm$ ls
  jack-1000-0          jack_sem.1000_default_1000_0_system  jack_sem.1000_default_jack_rack  jack_sem.1000_jack_default_1000_0_system
  jack-1000-1          jack_sem.1000_default_freewheel      jack_sem.1000_default_qjackctl   jack-shm-registry
  jack_default_1000_0  jack_sem.1000_default_jack_mixer     jack_sem.1000_default_system

  
  So it seems module-jack-source / sink are guessing the wrong shared memory paths to the jackd2 server..

  Versions:
  jackd2                         1.9.12~dfsg-2 
  pulseaudio-module-jack         1:11.1-1ubuntu7.1
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  CurrentDesktop: GNOME
  DistroRelease: Ubuntu 18.04
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  Package: pulseaudio 1:11.1-1ubuntu7.1
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 4.15.0-39.42-lowlatency 4.15.18
  Tags:  bionic
  Uname: Linux 4.15.0-39-lowlatency x86_64
  UpgradeStatus: Upgraded to bionic on 2018-08-16 (111 days ago)
  UserGroups: adm audio dialout disk docker kvm libvirt mythtv tracing video wireshark
  _MarkForUpload: True
  dmi.bios.date: 12/05/2017
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.2.1
  dmi.board.name: 042NDD
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.2.1:bd12/05/2017:svnDellInc.:pnInspiron7566:pvr:rvnDellInc.:rn042NDD:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.family: Inspiron
  dmi.product.name: Inspiron 7566
  dmi.sys.vendor: Dell Inc.
  modified.conffile..etc.pulse.daemon.conf: [modified]
  modified.conffile..etc.pulse.default.pa: [modified]
  mtime.conffile..etc.pulse.daemon.conf: 2018-12-04T10:32:39.961952
  mtime.conffile..etc.pulse.default.pa: 2018-12-03T11:18:37.948772

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