Comment 153 for bug 198453

Revision history for this message
Thiago Bellini (bellini666) wrote : Re: [Bug 198453] Re: Default ALSA device must use PulseAudio, otherwise ALSA applications may fail

now it`s possible to use Flash 10
it`s officialy released! You can download the .deb in the download site
using it, there is no more reason to install "libflashsupport" and firefox
stops crashing

On Tue, Oct 28, 2008 at 6:28 PM, Pablo Estigarribia <email address hidden>wrote:

> Actually I removed pulseaudio from my laptop and removed from my family
> desktop to get working everything. Sound it's ok and firefox does not
> crashes anymore.
> But I want to test the newest version with most of the problems fixed and I
> want to test it in hardy, so I'm waiting here.
>
> Br,
> Pablo.
>
> --
> Default ALSA device must use PulseAudio, otherwise ALSA applications may
> fail
> https://bugs.launchpad.net/bugs/198453
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in PulseAudio sound server: Confirmed
> Status in "alsa-lib" source package in Ubuntu: Fix Released
> Status in "alsa-plugins" source package in Ubuntu: Fix Released
> Status in "pulseaudio" source package in Ubuntu: Fix Released
> Status in alsa-lib in Ubuntu Hardy: Incomplete
> Status in alsa-plugins in Ubuntu Hardy: Incomplete
> Status in pulseaudio in Ubuntu Hardy: Invalid
>
> Bug description:
> Steps to reproduce:
>
> Run both of these at the same time:
> gst-launch-0.10 audiotestsrc ! pulsesink
> gst-launch-0.10 audiotestsrc ! alsasink
>
> If your default sound device does not support hardware mixing, the second
> command will fail. ALSA cannot use the device while PulseAudio is using it,
> and this affects a lot of applications.
>
> Note that if you run the commands the other way around, alsalib will use
> dmix, and then so will pulseaudio, so there is not as much of a problem this
> way around (except for the fact that dmix and PA are doing the same job, and
> you can not control the ALSA-using apps' volumes and routing with PA.)
>
>
> Resolution:
>
> Follow http://pulseaudio.org/wiki/PerfectSetup#ALSAApplications
> i.e. install /etc/asound.conf with:
>
> pcm.pulse {
> type pulse
> }
> ctl.pulse {
> type pulse
> }
> pcm.!default {
> type pulse
> }
> ctl.!default {
> type pulse
> }
>
> Then, install the package "libasound2-plugins", as it contains the required
> "pcm_pulse" and "ctl_pulse" plugins.
>
> Note, too, that there are some applications that fail with ALSA->Pulse:
>
> SDL* seems to hang with neverball, but that is fixed by installing the
> PulseAudio backend for SDL (libsdl1.2debian-pulseaudio), which will replace
> the default ALSA backend.
> WINE has its own issues with regards to device selection, which I don't
> know a remedy for.
> Skype* also has its own problems, but these aren't fixable by us and should
> not block us, though should be given some consideraton.
>
> * SDL applications (using libsdl1.2-alsa backend), Skype and possibly other
> misbehaving applications work properly with later versions of libasound2 &
> libasound2-plugins from Debian unstable.
>

--
Thiago Bellini Ribeiro
Programador PHP
www.linuxparatodos.com.br
<email address hidden>
Ribeirão Preto - SP