Thank you for reporting this bug to Ubuntu. Ubuntu 10.10 (maverick) reached end-of-life on April 10, 2012. And Ubuntu 11.04 (natty) reached end-of-life on October 28, 2012.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/747940 Title: High cpu usage after unplugging Digitech RP250 effect processor Status in pulseaudio package in Ubuntu: Incomplete Bug description: Binary package hint: pulseaudio I normally use jack server when I plug in my effect processor. Nothing strange happens during the session and closing jack server doesn't do any problems. The strange thing is that pulseaudio jumps to 96% cpu usage to one of my cores. Here is the output for the digitech processor part of aplay -l command: card 2: RP250 [DigiTech RP250], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ProblemType: Bug DistroRelease: Ubuntu 10.10 Package: pulseaudio 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu21.1 ProcVersionSignature: Ubuntu 2.6.35-28.49-generic 2.6.35.11 Uname: Linux 2.6.35-28-generic x86_64 NonfreeKernelModules: fglrx wl AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: atoulan 2385 F.... pulseaudio /dev/snd/pcmC0D0p: atoulan 2385 F...m pulseaudio Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xfbf00000 irq 47' Mixer name : 'IDT 92HD81B1X5' Components : 'HDA:111d7605,10280447,00100105' Controls : 14 Simple ctrls : 9 Card1.Amixer.info: Card hw:1 'Generic'/'HD-Audio Generic at 0xfbe40000 irq 48' Mixer name : 'ATI R6xx HDMI' Components : 'HDA:1002aa01,00aa0100,00100200' Controls : 4 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Date: Sat Apr 2 03:31:41 2011 InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429) ProcEnviron: PATH=(custom, no user) LANG=en_US.utf8 SHELL=/bin/bash SourcePackage: pulseaudio dmi.bios.date: 07/26/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A07 dmi.board.name: 03C6YH dmi.board.vendor: Dell Inc. dmi.board.version: A07 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A07 dmi.modalias: dmi:bvnDellInc.:bvrA07:bd07/26/2010:svnDellInc.:pnInspironN5010:pvrA07:rvnDellInc.:rn03C6YH:rvrA07:cvnDellInc.:ct8:cvrA07: dmi.product.name: Inspiron N5010 dmi.product.version: A07 dmi.sys.vendor: Dell Inc. mtime.conffile..etc.pulse.default.pa: 2011-03-12T22:01:43.199583 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/747940/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp