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(svn r18705) -Update: the known bugs document about the PulseAudio issue based on mgmuscari's solution/workaround

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rubidium 2010-01-03 21:57:21 +00:00
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known-bugs.txt
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@ -135,11 +135,28 @@ Extreme CPU usage/hangs when using SDL and PulseAudio [FS#3294]
OpenTTD can be extremely slow/use a lot of CPU when the sound is
played via SDL and then through PulseAudio's ALSA wrapper. Under the
same configuration OpenTTD, or rather SDL, might hang when exiting
the game. This setup seems to be the default configuration for
Ubuntu 9.04 and later. For Ubuntu this issue can be solved by
installing the 'libsdl1.2debian-pulseaudio' package from Ubuntu's
Universe repository. For other distributions a similar package needs
to be installed.
the game. This problem is seen most in Ubuntu 9.04 and higher.
This is because recent versions of the PulseAudio sound server are
configured to use timer-based audio scheduling rather than
interrupt-based audio scheduling. Configuring PulseAudio to force
use of interrupt-based scheduling may resolve sound problems for
some users. Under recent versions of Ubuntu Linux (9.04 and higher)
this can be accomplished by changing the following line in the
/etc/pulsa/default.pa file:
load-module module-udev-detect
to
load-module module-udev-detect tsched=0
Note that PulseAudio must be restarted for changes to take effect.
Older versions of PulseAudio may use the module-hal-detect module
instead. Adding tsched=0 to the end of that line will have a similar
effect.
Another possible solution is selecting the "pulse" backend of SDL
by either using "SDL_AUDIODRIVER=pulse openttd" at the command
prompt or installing the 'libsdl1.2debian-pulseaudio' package from
Ubuntu's Universe repository. For other distributions a similar
package needs to be installed.
OpenTTD not properly resizing with SDL on X [FS#3305]
Under some X window managers OpenTTD's window does not properly