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[Bug 1445861] Re: Subwoofer drops out when playback ends

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: Raymond <1445861@xxxxxxxxxxxxxxxxxx>
Date: Mon, 20 Apr 2015 16:11:22 -0000
Reply-to: Bug 1445861 <1445861@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
51.446|   2.302) D: [pulseaudio] module-suspend-on-idle.c: Sink alsa_output.pci-0000_00_1b.0.analog-stereo becomes idle, timeout in 5 seconds.
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] sink-input.c: Have to rewind 15840 bytes on render memblockq.
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] sink-input.c: Have to rewind 31680 bytes on implementor.
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c: hwbuf_unused=0
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c: setting avail_min=15502
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] sink.c: Requesting rewind due to started move
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c: Requested volume: 0:  55% 1:  55%
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c:            in dB: 0: -15,75 dB 1: -15,75 dB
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c: Got hardware volume: 0:  55% 1:  55%
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c:               in dB: 0: -15,60 dB 1: -15,60 dB
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c: Calculated software volume: 0:  99% 1:  99% (accurate-enough=yes)
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c:                      in dB: 0: -0,15 dB 1: -0,15 dB
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] sink.c: Volume not changing
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c: Requested to rewind 65536 bytes.
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c: Limited to 15428 bytes.
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c: before: 3857
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c: after: 3857
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c: Rewound 15428 bytes.
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] sink.c: Processing rewind...
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] sink.c: latency = 1937
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] source.c: Processing rewind...
(  51.446|   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.
(  51.446|   0.000) D: [pulseaudio] module-rescue-streams.c: No sink inputs to move away.
(  51.446|   0.000) D: [pulseaudio] module-rescue-streams.c: No source outputs to move away.
(  51.446|   0.000) D: [pulseaudio] core-subscribe.c: Dropped redundant event due to remove event.
(  51.446|   0.000) D: [alsa-sink-ALC1150 Analog] alsa-sink.c: Thread shutting down
(  51.447|   0.000) I: [pulseaudio] sink.c: Freeing sink 3 "alsa_output.pci-0000_00_1b.0.analog-stereo"
(  51.447|   0.000) I: [pulseaudio] source.c: Freeing source 4 "alsa_output.pci-0000_00_1b.0.analog-stereo.monitor"
(  51.447|   0.000) D: [pulseaudio] module-rescue-streams.c: No source outputs to move away.
(  51.447|   0.000) D: [alsa-source-ALC1150 Analog] alsa-source.c: Thread shutting down
(  51.447|   0.000) I: [pulseaudio] source.c: Freeing source 5 "alsa_input.pci-0000_00_1b.0.analog-stereo"
(  51.448|   0.001) D: [pulseaudio] reserve-wrap.c: Successfully acquired reservation lock on device 'Audio0'
(  51.449|   0.000) D: [pulseaudio] reserve-wrap.c: Successfully create reservation lock monitor for device 'Audio0'
(  51.449|   0.000) D: [pulseaudio] alsa-util.c: Trying surround51:0 with SND_PCM_NO_AUTO_FORMAT ...
(  51.449|   0.000) D: [pulseaudio] alsa-util.c: Managed to open surround51:0
(  51.449|   0.000) I: [pulseaudio] alsa-util.c: Trying to disable ALSA period wakeups, using timers only
(  51.449|   0.000) D: [pulseaudio] alsa-util.c: Maximum hw buffer size is 123 ms
(  51.449|   0.000) I: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_buffer_size_near() failed: Invalid argument
(  51.449|   0.000) I: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_period_size_near() failed: Invalid argument
(  51.449|   0.000) I: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_buffer_size_near() failed: Invalid argument
(  51.480|   0.030) D: [pulseaudio] alsa-util.c: Set only period size (to 88200 samples).
(  51.480|   0.000) I: [pulseaudio] alsa-util.c: ALSA period wakeups disabled
(  51.480|   0.000) I: [pulseaudio] alsa-sink.c: Successfully opened device surround51:0.


strange that 


51.449|   0.000) I: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_buffer_size_near() failed: Invalid argument
(  51.449|   0.000) I: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_period_size_near() failed: Invalid argument
(  51.449|   0.000) I: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_buffer_size_near() failed: Invalid argument

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https://bugs.launchpad.net/bugs/1445861

Title:
  Subwoofer drops out when playback ends

Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  When audio is played in a 5.1 configuration then there is no sound coming from the Subwoofer channel by default.
  Functionality of the Subwoofer channel can be temporarily restored by switching the audio profile from 5.1 to stereo and back to 5.1 again.

  Changing the line in  /etc/pulse/daemon.conf
  from
  ;  enable-lfe-remixing = no
  to
  enable-lfe-remixing = yes

  Fixes this issue permanently with my current hardware configuration.

  
  ubuntu-bug wrongly identified the Nvidia HDMI port as the symptomatic card. The actual  playback device is the build in Intel HDA ALC1150 audio chipset.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.16.0-34.47-generic 3.16.7-ckt8
  Uname: Linux 3.16.0-34-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.7-0ubuntu8.4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  ulty       2968 F.... pulseaudio
   /dev/snd/controlC1:  ulty       2968 F.... pulseaudio
   /dev/snd/pcmC0D0p:   ulty       2968 F...m pulseaudio
   /dev/snd/controlC0:  ulty       2968 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Sun Apr 19 06:48:18 2015
  InstallationDate: Installed on 2014-10-18 (182 days ago)
  InstallationMedia: Kubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:NVidia successful
  Symptom_Card: GK104 HDMI Audio Controller - HDA NVidia
  Symptom_Jack: Digital Out, HDMI
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Only some of outputs are working
  Title: [All Series, Nvidia GPU 40 HDMI/DP, Digital Out, HDMI] Playback problem
  UpgradeStatus: Upgraded to utopic on 2014-10-25 (175 days ago)
  dmi.bios.date: 02/06/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1401
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: X99-A
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev 1.xx
  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.:bvr1401:bd02/06/2015:svnASUS:pnAllSeries:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnX99-A:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: All Series
  dmi.product.version: System Version
  dmi.sys.vendor: ASUS

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References

[Bug 1445861] [NEW] Subwoofer drops out when playback ends
From: UltyX, 2015-04-19