Public bug reported:
Any sound or music has a strange stuttering about every 5-10 seconds.
Not the usual buffer underrun noise but the volume changes for a moment.
When I run pavucontrol and go to the "Output Devices" tab I can see how
the "Port" dropbox switches to "Analog Headphones" for a moment every
few seconds and then back to "Analog Output". The volume sliders also
move for a moment whenever it happens.
I tried Unity, KDE (phonon gstreamer as well as VLC) and XFCE, killing
all the processes I could find and also tried Banshee, Amarok and
Audacious. It's always the same. Every few seconds Pulseaudio will
change the "Port" for just a moment and also change volume.
If I manually change to "Analog Heaphones" I cannot hear sound and it
switches back to "Analog Output" after a while. I do not have anything
plugged into the headphones jack.
pacmd list-sinks says this at the end:
ports:
analog-output: Analog Output (priority 9900, available: unknown)
analog-output-headphones: Analog Headphones (priority 9000,
available: no)
active port: <analog-output>
Which suggests PA knows that only one port is available so I'm puzzled
what causes this constant port and volume change.
Needless to say I cannot use PA with this - if there's any workaround
(can I force-disable that headphones port somehow?) I'd be really
thankful.
For now I had to completely removed PA from Ubuntu and am playing
directly through Alsa, using alsamixer for volume control. Of course it
means I don't have per-application volume nor does the normal mixer work
so I hope this can be fixed soon.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: pulseaudio 1:1.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC892 Analog [ALC892 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: elias 8620 F.... pulseaudio
/dev/snd/controlC0: elias 8620 F.... pulseaudio
/dev/snd/pcmC0D0p: elias 8620 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xfa400000 irq 61'
Mixer name : 'Realtek ALC892'
Components : 'HDA:10ec0892,10438410,00100302'
Controls : 35
Simple ctrls : 20
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xfa080000 irq 17'
Mixer name : 'Nvidia GPU 16 HDMI/DP'
Components : 'HDA:10de0016,10de0101,00100100'
Controls : 16
Simple ctrls : 4
Date: Fri Oct 14 22:54:47 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: pulseaudio
UpgradeStatus: Upgraded to oneiric on 2011-10-13 (1 days ago)
dmi.bios.date: 03/10/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1503
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8P67
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1503:bd03/10/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8P67:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric
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https://bugs.launchpad.net/bugs/874631
Title:
sound stutters every few seconds
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