Public bug reported:
Binary package hint: pulseaudio
Pulseaudio is making my machine to suffer with low performance on
gaming.
When I run Fofix the video jerks every time pulse loads buffer. If I
increase the buffer size, the jerking becomes more sparse. If I decrease
the buffer size, the jerking becomes more frequent.
SDL games have the same issue (when using pulseaudio).
The new snes9x-gtk (1.52) with Pulseaudio output has this problem too.
If I turn-off pulseaudio and use ALSA output everything works pretty
well.
My machine is a Phenom II X4 processor with 2gb DDR3 1333 and a ECS
a785gm-m mobo. My videocard is a 8600gt card. Fofix game runs pretty
smooth on Windows.
Package: pulseaudio
Version: 1:0.9.19-0ubuntu4
Package: libsdl1.2debian-pulseaudio
Version: 1.2.13-4ubuntu4
ProblemType: Bug
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: marcelo 2065 F.... kmix
marcelo 4698 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xf9ff4000 irq 16'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,10192120,00100202'
Controls : 33
Simple ctrls : 19
Date: Fri Jan 15 22:23:16 2010
DistroRelease: Ubuntu 9.10
NonfreeKernelModules: nvidia
Package: pulseaudio 1:0.9.19-0ubuntu4
ProcEnviron:
LANGUAGE=pt_BR:pt:en
LANG=pt_BR.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-17.54-generic
SourcePackage: pulseaudio
Uname: Linux 2.6.31-17-generic x86_64
XsessionErrors: (polkit-gnome-authentication-agent-1:2072): GLib-CRITICAL **:
g_once_init_leave: assertion `initialization_value != 0' failed
mtime.conffile..etc.pulse.daemon.conf: 2009-11-18T20:32:08.477087
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug
--
Pulseaudio makes video have poor performance on gaming (proportional to buffer
size)
https://bugs.launchpad.net/bugs/508205
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