[Pkg-alsa-devel] Bug#477991: libasound2: very high CPU usage

[Peter De Wachter]

Package: libasound2
Version: 1.0.16-1
Severity: important

With libasound2 1.0.16 many music players (e.g. mpg123-alsa, mpg321,
ogg123) take a huge amount of CPU to play music.

Playing a short song with mpg321, I get results like:
real 2m32.276s
user 0m25.310s
sys  0m47.259s

With libasound 1.0.15, it looks much more reasonable:
real 2m32.188s
user 0m2.212s
sys  0m0.108s

If there's anything I can do to help debug this, please ask.

-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.24-1-amd64 (SMP w/1 CPU core)
Locale: LANG=nl_BE.UTF-8, LC_CTYPE=nl_BE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages libasound2 depends on:
ii  libc6                         2.7-10     GNU C Library: Shared libraries

libasound2 recommends no packages.

-- no debconf information