[Pkg-pulseaudio-devel] Bug#539364: pulseaudio: alsa plugin eats all cpu with snd-hda-intel

Gonzalo Bermúdez gonzalob at gonz0.com.ar
Fri Jul 31 05:23:32 UTC 2009


Package: pulseaudio
Version: 0.9.15-4.1
Severity: important

Applications that rely on ALSA and thus use the ALSA plugin for PulseAudio eat up 100% CPU time. Also, sound is choppy and stops working at some point i couldn't determine. Example of these apps are Ekiga, or packages that use sdl if libsdl-alsa is installed
However, native pulseaudio apps such as Rhythmbox or the same sdl apps with sdl-pulseaudio installed work perfectly.

I tried to obtain a console output for pulseaudio to attach here, but the file is huge and I didn't find anything I could identify as the source of the problem.

-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.30-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages pulseaudio depends on:
ii  adduser      3.110                       add and remove users and groups
ii  consolekit   0.3.0-3                     framework for defining and trackin
ii  libasound2   1.0.20-3                    shared library for ALSA applicatio
ii  libasyncns0  0.3-1                       Asyncronous name service query lib
ii  libc6        2.9-23                      GNU C Library: Shared libraries
ii  libcap2      1:2.16-5                    support for getting/setting POSIX.
ii  libdbus-1-3  1.2.16-2                    simple interprocess messaging syst
ii  libflac8     1.2.1-1.2                   Free Lossless Audio Codec - runtim
ii  libgdbm3     1.8.3-6                     GNU dbm database routines (runtime
ii  libhal1      0.5.12~git20090406.46dc48-2 Hardware Abstraction Layer - share
ii  libice6      2:1.0.5-1                   X11 Inter-Client Exchange library
ii  libltdl7     2.2.6a-4                    A system independent dlopen wrappe
ii  libogg0      1.1.3-5                     Ogg Bitstream Library
ii  liboil0.3    0.3.16-1                    Library of Optimized Inner Loops
ii  libpolkit-db 0.9-4                       library for accessing PolicyKit vi
ii  libpolkit2   0.9-4                       library for accessing PolicyKit
ii  libpulse0    0.9.15-4.1                  PulseAudio client libraries
ii  libsamplerat 0.1.7-2                     audio rate conversion library
ii  libsm6       2:1.1.0-2                   X11 Session Management library
ii  libsndfile1  1.0.20-1                    Library for reading/writing audio 
ii  libspeexdsp1 1.2~rc1-1                   The Speex extended runtime library
ii  libvorbis0a  1.2.0.dfsg-5                The Vorbis General Audio Compressi
ii  libvorbisenc 1.2.0.dfsg-5                The Vorbis General Audio Compressi
ii  libwrap0     7.6.q-18                    Wietse Venema's TCP wrappers libra
ii  libx11-6     2:1.2.2-1                   X11 client-side library
ii  libxtst6     2:1.0.3-1                   X11 Testing -- Resource extension 
ii  lsb-base     3.2-23                      Linux Standard Base 3.2 init scrip

Versions of packages pulseaudio recommends:
ii  gstreamer0.10-pulseaudio      0.10.15-2  GStreamer plugin for PulseAudio
ii  libasound2-plugins            1.0.20-1   ALSA library additional plugins
ii  pulseaudio-esound-compat      0.9.15-4.1 PulseAudio ESD compatibility layer
ii  pulseaudio-module-hal         0.9.15-4.1 HAL device detection module for Pu
ii  pulseaudio-module-x11         0.9.15-4.1 X11 module for PulseAudio sound se

Versions of packages pulseaudio suggests:
pn  paman                         <none>     (no description available)
pn  paprefs                       <none>     (no description available)
pn  pavucontrol                   <none>     (no description available)
pn  pavumeter                     <none>     (no description available)
ii  pulseaudio-utils              0.9.15-4.1 Command line tools for the PulseAu

-- no debconf information






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