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[Bug 978604] Re: Banshee/Rhythmbox regularly stop playing audio when left on in the background

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: "Andrea Lazzarotto \(Lazza\)" <andrea.lazzarotto@xxxxxxxxx>
Date: Sun, 06 Sep 2015 12:45:31 -0000
Reply-to: Bug 978604 <978604@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
I was encountering this bug after enabling the ReplayGain plug-in. I
disabled it and the problem seems to be solved.

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https://bugs.launchpad.net/bugs/978604

Title:
  Banshee/Rhythmbox regularly stop playing audio when left on in the
  background

Status in pulseaudio package in Ubuntu:
  Confirmed
Status in pulseaudio source package in Precise:
  Confirmed

Bug description:
  If Banshee or Rhythmbox is left playing in the background they will
  randomly stop playing in the latest builds of Ubuntu 12.04. Starting a
  new piece of music usually fixes the problem. If left to its own
  devices, the music will start playing again at some random time, at
  some random position. This problem exists on both my desktop machine
  (custom built Intel machine) and my laptop (Macbook 5,1). It has been
  happening for several months now.

  I became frustrated enough to load up pulseaudio in debugging mode.
  The log shows that when the music player just finishes playing one
  piece, and tries to start the next piece, you see something like this:

  -------------------------------
  ( 335.399|  34.388) D: [alsa-sink] sink-input.c: Requesting rewind due to corking
  ( 335.400|   0.001) D: [alsa-sink] alsa-sink.c: Requested to rewind 65536 bytes.
  ( 335.400|   0.000) D: [alsa-sink] alsa-sink.c: Limited to 14820 bytes.
  ( 335.400|   0.000) D: [alsa-sink] alsa-sink.c: before: 3705
  ( 335.400|   0.000) D: [alsa-sink] alsa-sink.c: after: 3705
  ( 335.400|   0.000) D: [alsa-sink] alsa-sink.c: Rewound 14820 bytes.
  ( 335.400|   0.000) D: [alsa-sink] sink.c: Processing rewind...
  ( 335.400|   0.000) D: [alsa-sink] sink.c: latency = 1643
  ( 335.400|   0.000) D: [alsa-sink] sink-input.c: Have to rewind 14820 bytes on render memblockq.
  ( 335.400|   0.000) D: [alsa-sink] sink-input.c: Have to rewind 14820 bytes on implementor.
  ( 335.400|   0.000) D: [alsa-sink] source.c: Processing rewind...
  ( 335.400|   0.000) D: [pulseaudio] module-suspend-on-idle.c: Sink alsa_output.pci-0000_00_1b.0.analog-stereo becomes idle, timeout in 5 seconds.
  ( 335.402|   0.001) D: [alsa-sink] alsa-sink.c: hwbuf_unused=0
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=15502
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c: Requested volume: 0:  34% 1:  34%
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c:            in dB: 0: -28.11 dB 1: -28.11 dB
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c: Got hardware volume: 0:  34% 1:  34%
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c:               in dB: 0: -28.00 dB 1: -28.00 dB
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c: Calculated software volume: 0: 100% 1: 100% (accurate-enough=yes)
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c:                      in dB: 0: -0.11 dB 1: -0.11 dB
  ( 335.402|   0.000) D: [alsa-sink] sink.c: Volume not changing
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c: Requested to rewind 65536 bytes.
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c: Limited to 15300 bytes.
  ( 335.402|   0.000) D: [pulseaudio] module-suspend-on-idle.c: Sink alsa_output.pci-0000_00_1b.0.analog-stereo becomes idle, timeout in 5 seconds.
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c: before: 3825
  ( 335.402|   0.000) D: [pulseaudio] core.c: Hmm, no streams around, trying to vacuum.
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c: after: 3825
  ( 335.402|   0.000) D: [alsa-sink] alsa-sink.c: Rewound 15300 bytes.
  ( 335.402|   0.000) D: [alsa-sink] sink.c: Processing rewind...
  ( 335.402|   0.000) D: [alsa-sink] sink.c: latency = 1402
  ( 335.402|   0.000) D: [alsa-sink] source.c: Processing rewind...
  ( 335.402|   0.000) I: [pulseaudio] sink-input.c: Freeing input 3 "'zero-project - 05 - Forest of the unicorns' by 'zero-project'"
  ( 335.402|   0.000) D: [pulseaudio] module-stream-restore.c: Not restoring device for stream sink-input-by-media-role:music, because already set to 'alsa_output.pci-0000_00_1b.0.analog-stereo'.
  ( 335.403|   0.000) D: [pulseaudio] module-intended-roles.c: Not setting device for stream Playback Stream, because already set.
  ( 335.403|   0.000) I: [pulseaudio] module-stream-restore.c: Restoring volume for sink input sink-input-by-media-role:music.
  ( 335.403|   0.000) I: [pulseaudio] module-stream-restore.c: Restoring mute state for sink input sink-input-by-media-role:music.
  ( 335.403|   0.000) D: [pulseaudio] module-suspend-on-idle.c: Sink alsa_output.pci-0000_00_1b.0.analog-stereo becomes busy.
  ( 335.403|   0.000) I: [pulseaudio] resampler.c: Forcing resampler 'copy', because of fixed, identical sample rates.
  ( 335.403|   0.000) I: [pulseaudio] resampler.c: Using resampler 'copy'
  ( 335.403|   0.000) I: [pulseaudio] resampler.c: Using float32le as working format.
  ( 335.403|   0.000) D: [pulseaudio] memblockq.c: memblockq requested: maxlength=33554432, tlength=0, base=4, prebuf=0, minreq=1 maxrewind=0
  ( 335.403|   0.000) D: [pulseaudio] memblockq.c: memblockq sanitized: maxlength=33554432, tlength=33554432, base=4, prebuf=0, minreq=4 maxrewind=0
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c: Created input 4 "Playback Stream" on alsa_output.pci-0000_00_1b.0.analog-stereo with sample spec float32le 2ch 44100Hz and channel map front-left,front-right
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     media.name = "Playback Stream"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     application.name = "Banshee"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     native-protocol.peer = "UNIX socket client"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     native-protocol.version = "26"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     media.role = "music"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     application.process.id = "23258"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     application.process.user = "themadhatter"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     application.process.host = "themadhatter-desktop"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     application.process.binary = "mono"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     application.icon_name = "media-player-banshee"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     window.x11.display = ":0"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     application.language = "en_US.UTF-8"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     application.process.machine_id = "8128ee9200ba7ce4b9230dbf00000001"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     application.process.session_id = "8128ee9200ba7ce4b9230dbf00000001-1334106345.520104-1231006243"
  ( 335.403|   0.000) I: [pulseaudio] sink-input.c:     module-stream-restore.id = "sink-input-by-media-role:music"
  ( 335.403|   0.000) I: [pulseaudio] protocol-native.c: Requested tlength=200.00 ms, minreq=10.00 ms
  ( 335.403|   0.000) D: [pulseaudio] protocol-native.c: Adjust latency mode enabled, configuring sink latency to half of overall latency.
  ( 335.403|   0.000) D: [pulseaudio] memblockq.c: memblockq requested: maxlength=4194304, tlength=38808, base=8, prebuf=0, minreq=3528 maxrewind=0
  ( 335.403|   0.000) D: [pulseaudio] memblockq.c: memblockq sanitized: maxlength=4194304, tlength=38808, base=8, prebuf=0, minreq=3528 maxrewind=0
  ( 335.403|   0.000) I: [pulseaudio] protocol-native.c: Final latency 200.00 ms = 90.00 ms + 2*10.00 ms + 90.00 ms
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: Latency set to 90.00ms
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: hwbuf_unused=49660
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=15503
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: Requesting rewind due to latency change.
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: Requested volume: 0:  34% 1:  34%
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c:            in dB: 0: -28.11 dB 1: -28.11 dB
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: Got hardware volume: 0:  34% 1:  34%
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c:               in dB: 0: -28.00 dB 1: -28.00 dB
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: Calculated software volume: 0: 100% 1: 100% (accurate-enough=yes)
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c:                      in dB: 0: -0.11 dB 1: -0.11 dB
  ( 335.403|   0.000) D: [alsa-sink] sink.c: Volume not changing
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: Requested to rewind 65536 bytes.
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: Limited to 65120 bytes.
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: before: 16280
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: after: 16280
  ( 335.403|   0.000) D: [alsa-sink] alsa-sink.c: Rewound 65120 bytes.
  ( 335.403|   0.000) D: [alsa-sink] sink.c: Processing rewind...
  ( 335.403|   0.000) D: [alsa-sink] sink.c: latency = 897
  ( 335.404|   0.000) D: [alsa-sink] sink-input.c: Have to rewind 65120 bytes on render memblockq.
  ( 335.404|   0.000) D: [alsa-sink] source.c: Processing rewind...
  ( 335.405|   0.001) W: [alsa-sink] ratelimit.c: 173 events suppressed
  ( 335.405|   0.000) W: [alsa-sink] protocol-native.c: Failed to push data into queue
  ( 335.405|   0.000) D: [alsa-sink] protocol-native.c: Requesting rewind due to end of underrun.
  ( 335.405|   0.000) D: [alsa-sink] protocol-native.c: Requesting rewind due to end of underrun.
  ( 335.405|   0.000) D: [alsa-sink] sink-input.c: Requesting rewind due to uncorking
  ( 335.405|   0.000) D: [alsa-sink] alsa-sink.c: Requested to rewind 65536 bytes.
  ( 335.405|   0.000) D: [pulseaudio] module-suspend-on-idle.c: Sink alsa_output.pci-0000_00_1b.0.analog-stereo becomes busy.
  ( 335.405|   0.000) D: [alsa-sink] alsa-sink.c: Limited to 15300 bytes.
  ( 335.405|   0.000) D: [alsa-sink] alsa-sink.c: before: 3825
  ( 335.405|   0.000) D: [alsa-sink] alsa-sink.c: after: 3825
  ( 335.405|   0.000) D: [alsa-sink] alsa-sink.c: Rewound 15300 bytes.
  ( 335.405|   0.000) D: [alsa-sink] sink.c: Processing rewind...
  ( 335.405|   0.000) D: [alsa-sink] sink.c: latency = 795
  ( 335.405|   0.000) D: [alsa-sink] source.c: Processing rewind...
  ( 335.407|   0.001) W: [alsa-sink] protocol-native.c: Failed to push data into queue
  ( 335.408|   0.001) W: [alsa-sink] protocol-native.c: Failed to push data into queue
  ( 335.409|   0.000) W: [alsa-sink] protocol-native.c: Failed to push data into queue
  ( 335.409|   0.000) W: [alsa-sink] protocol-native.c: Failed to push data into queue
  --------------------------------------------------

  When the music randomly starts playing again:
  --------------------------------------------------

  ( 469.282| 133.873) D: [alsa-sink] protocol-native.c: Requesting rewind due to rewrite.
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: Requested to rewind 65536 bytes.
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: Limited to 15620 bytes.
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: before: 3905
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: after: 3905
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: Rewound 15620 bytes.
  ( 469.283|   0.000) D: [alsa-sink] sink.c: Processing rewind...
  ( 469.283|   0.000) D: [alsa-sink] sink.c: latency = 1297
  ( 469.283|   0.000) D: [alsa-sink] sink-input.c: Have to rewind 15620 bytes on render memblockq.
  ( 469.283|   0.000) D: [alsa-sink] sink-input.c: Have to rewind 31240 bytes on implementor.
  ( 469.283|   0.000) D: [alsa-sink] source.c: Processing rewind...
  ( 469.283|   0.000) D: [alsa-sink] protocol-native.c: Underrun on 'Playback Stream', 0 bytes in queue.
  ( 469.283|   0.000) D: [alsa-sink] protocol-native.c: Requesting rewind due to rewrite.
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: Requested to rewind 65536 bytes.
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: Limited to 15620 bytes.
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: before: 3905
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: after: 3905
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: Rewound 15620 bytes.
  ( 469.283|   0.000) D: [alsa-sink] sink.c: Processing rewind...
  ( 469.283|   0.000) D: [alsa-sink] sink.c: latency = 1085
  ( 469.283|   0.000) D: [alsa-sink] sink-input.c: Have to rewind 15620 bytes on render memblockq.
  ( 469.283|   0.000) D: [alsa-sink] sink-input.c: Have to rewind 31240 bytes on implementor.
  ( 469.283|   0.000) D: [alsa-sink] source.c: Processing rewind...
  ( 469.283|   0.000) D: [alsa-sink] protocol-native.c: Requesting rewind due to rewrite.
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: Requested to rewind 65536 bytes.
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: Limited to 15460 bytes.
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: before: 3865
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: after: 3865
  ( 469.283|   0.000) D: [alsa-sink] alsa-sink.c: Rewound 15460 bytes.
  ( 469.283|   0.000) D: [alsa-sink] sink.c: Processing rewind...
  ( 469.284|   0.000) D: [alsa-sink] sink.c: latency = 1309
  ( 469.284|   0.000) D: [alsa-sink] sink-input.c: Have to rewind 15460 bytes on render memblockq.
  ( 469.284|   0.000) D: [alsa-sink] sink-input.c: Have to rewind 30920 bytes on implementor.
  ( 469.284|   0.000) D: [alsa-sink] source.c: Processing rewind...
  ( 469.284|   0.000) D: [alsa-sink] protocol-native.c: Requesting rewind due to rewrite.
  ( 469.284|   0.000) D: [alsa-sink] alsa-sink.c: Requested to rewind 65536 bytes.
  ( 469.284|   0.000) D: [alsa-sink] alsa-sink.c: Limited to 15620 bytes.
  ( 469.284|   0.000) D: [alsa-sink] alsa-sink.c: before: 3905
  ( 469.284|   0.000) D: [alsa-sink] alsa-sink.c: after: 3905
  ( 469.284|   0.000) D: [alsa-sink] alsa-sink.c: Rewound 15620 bytes.
  ( 469.284|   0.000) D: [alsa-sink] sink.c: Processing rewind...
  ( 469.284|   0.000) D: [alsa-sink] sink.c: latency = 1137
  ( 469.284|   0.000) D: [alsa-sink] sink-input.c: Have to rewind 15620 bytes on render memblockq.
  ( 469.284|   0.000) D: [alsa-sink] sink-input.c: Have to rewind 31240 bytes on implementor.
  ( 469.284|   0.000) D: [alsa-sink] source.c: Processing rewind...
  ( 469.284|   0.000) D: [alsa-sink] protocol-native.c: Requesting rewind due to rewrite.
  ( 469.284|   0.000) D: [alsa-sink] alsa-sink.c: Requested to rewind 65536 bytes.
  ( 469.284|   0.000) D: [alsa-sink] alsa-sink.c: Limited to 15620 bytes.
  ( 469.284|   0.000) D: [alsa-sink] alsa-sink.c: before: 3905
  ( 469.284|   0.000) D: [alsa-sink] alsa-sink.c: after: 3905
  ( 469.284|   0.000) D: [alsa-sink] alsa-sink.c: Rewound 15620 bytes.
  ( 469.284|   0.000) D: [alsa-sink] sink.c: Processing rewind...
  ( 469.284|   0.000) D: [alsa-sink] sink.c: latency = 976
  .... etc.
  Basically what looks like the same thing over and over again with slightly different numbers.
  ----------------------------------------------------

  Do please let me know what I can do to help. :). I have attached the
  full log below.

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