[ubuntu-mono] [Bug 1178272] Re: Without pulseaudio, banshee and rhythmbox report "jack server is not running or cannot be started" and do not play

[Rüdiger Kupper]

Hm, to my knowledge Lubuntu does not come with pulseaudio nor gstreamer. The standard install relies on audio applications that use plain ALSA. Try installing from a Lubuntu live CD.
It's certainly hard to choose which (meta-)package should pull in gstreamer1.0-alsa. But some package should include it, otherwise Lubuntu users will end up without it and have the problems described above. It's the link between ALSA and gstreamer, so it could come with one of the packages that deliver ALSA or gstreamer. There's probably no perfect answer here. It could just be included in the standard Lubuntu install, but the Lubuntu people opt for simplicity and use direct ALSA.

However, a typical scenario is as follows:
You install Lubuntu from a Live CD. You find a selection of slim audio software like audacious. However, you miss your rhythmbox/banshee/whatever. You install rhythmbox/banshee/whatever. It does not work, because there is no gstreamer. You google a bit and learn that the gstreamer plugins come with ubuntu-restricted-extras. You install it, but your rhythmbox/banshee/whatever still does not work, because there is no ALSA sink. You google a bit more but find no answer. You end up writing a bug report on launchpad ;-).

Anyway, it might even have helped if gstreamer printed a proper error
message (like "no sink found") instead of trying to use the jack sink,
which is probably the least likely to exist. I don't know where's the
best place of doing it, but somehow it should be guaranteed that there
is at least one sink present when gstreamer is installed.

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https://bugs.launchpad.net/bugs/1178272

Title:
  Without pulseaudio, banshee and rhythmbox report "jack server is not
  running or cannot be started" and do not play

Status in “banshee” package in Ubuntu:
  Invalid
Status in “gstreamer0.10” package in Ubuntu:
  Confirmed
Status in “rhythmbox” package in Ubuntu:
  Invalid

Bug description:
  Lubuntu Raring (13.04).
  The Lubuntu standard installation comes without jack, and without pulse, just plain alsa. Gstreamer applications (rhythmbox, banshee) used to work fine after installing "ubuntu-restricted-extras", which pulls in the usual gstreamer plugins.
  On my system, gstreamer applications stopped working. They report:
  > Cannot connect to server socket err = No such file or directory
  > Cannot connect to server request channel
  > jack server is not running or cannot be started
  Since there is no jack on this system, never was, and is not intended to be there, I cannot understand this message. The applications do not produce sound.

  This looks like gstreamer tries to start up jackd, regardless whether
  it is installed or not.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: libgstreamer0.10-0 0.10.36-1ubuntu2
  ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8
  Uname: Linux 3.8.0-19-generic i686
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: i386
  Date: Thu May  9 15:38:20 2013
  InstallationDate: Installed on 2013-02-12 (85 days ago)
  InstallationMedia: Lubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.1)
  MarkForUpload: True
  SourcePackage: gstreamer0.10
  UpgradeStatus: Upgraded to raring on 2013-04-25 (13 days ago)

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