Public bug reported:
Binary package hint: pulseaudio
After a while of desktop usage pulseaudio CPU usage goes to 100%.
The sound still works OK.
running strace -p on pulseaudio gives
ppoll([{fd=4, events=POLLIN}, {fd=9, events=POLLIN}, {fd=29, events=POLLIN},
{fd=28, events=POLLIN}, {fd=26, events=POLLIN}, {fd=7, events=POLLIN}, {fd=20,
events=POLLIN}, {fd=25, events=POLLIN}, {fd=24, events=POLLIN}, {fd=23,
events=POLLIN}, {fd=22, events=POLLIN|POLLERR|POLLHUP}, {fd=22, events=0},
{fd=16, events=POLLIN}, {fd=19, events=POLLIN}, {fd=15,
events=POLLIN|POLLERR|POLLHUP}, {fd=15, events=0}, {fd=14, events=POLLIN},
{fd=13, events=POLLIN}, {fd=6, events=POLLIN}], 19, NULL, NULL, 8) = 1
([{fd=20, revents=POLLERR}])
read(20, 0x7fffc42bf0f0, 72) = -1 ENODEV (No such device)
over and over again.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: pulseaudio 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu14
ProcVersionSignature: Ubuntu 2.6.32-24.43-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 1: tm [Audiophile USB (tm)], device 1: USB Audio [USB Audio #1]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC1D0p: cay 1764 F...m pulseaudio
Card1.Amixer.info:
Card hw:1 'tm'/'M-Audio Audiophile USB (tm) at usb-0000:00:1d.1-2, full speed'
Mixer name : 'USB Mixer'
Components : 'USB0763:2003'
Controls : 0
Simple ctrls : 0
Card1.Amixer.values:
Date: Sat Sep 25 12:47:44 2010
ExecutablePath: /usr/bin/pulseaudio
PciMultimedia:
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: pulseaudio
dmi.bios.date: 01/08/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0609
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5Q3
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.:bvr0609:bd01/08/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5Q3: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 lucid
--
pulseaudio hogs 100% CPU
https://bugs.launchpad.net/bugs/647390
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