[pulseaudio-discuss] [alsa-devel] Asynchronous notification in ALSA - I/O Plugin - Pulseaudio

Lennart Poettering mznyfn at 0pointer.de
Wed May 21 15:29:36 PDT 2008

On Wed, 21.05.08 12:47, Takashi Iwai (tiwai at suse.de) wrote:

> > > I have experimental patches to add async support to ioplug.  With a
> > > quick test using jack plugin, it seems working somehow.  Will post
> > > them alsa-devel now.
> > 
> > Thank you!  I tested these with Firefox + Flash 9 + Pulseaudio, and while
> > sound output works, quitting any Flash application will freeze firefox.
> It's a showstopper, then.  Could you figure out in which code does it
> freeze?  My change is just to add async call, so it sounds like that
> another hidden bug is hit by my change...

That freeze is an unfixable race condition that Flash has when
shutting down audio.

See the explanation down on http://pulseaudio.org/ticket/267


Lennart Poettering                        Red Hat, Inc.
lennart [at] poettering [dot] net         ICQ# 11060553
http://0pointer.net/lennart/           GnuPG 0x1A015CC4

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