Sound lockup if gdm pulseaudio enabled

[Craig White]

On Wed, 2010-03-03 at 16:34 +1030, Tim wrote:
> On Tue, 2010-03-02 at 10:32 +0000, Neil Bird wrote:
> > Essentially, the issue is that, with gdm audio enabled, any normal
> > user's app. will hang when trying to generate sound.  This made my
> > login nearly impossible as I have a couple of applets that 'tone' when
> > logging in, and this seemed (via the gnome panel?) to near-enough hang
> > my entire session.
> 
> I've rarely heard my computer do the login/ready noises, only ever
> during some graphical dual-logins when the second one of them would go
> through the switch user re-login seqence.  Other than that, GDM always
> ran silent.
> 
> To be honest, I prefer it that way, and I disable the login/window
> noises in Gnome.  In the past, pre-pulseaudio era, I'd found them to
> wedge the sound system, so nothing could make any noises.  At some stage
> something would try to make use of the sound system, fail, and never
> recover.  And I dislike essentially useless noises.
> 
> But, when trying out Ubuntu (with pulseaudio) on the same hardware, its
> GDM was quite capable of making its audio blingy noises, as well as the
> desktop once you're logged in, and the sound system would work fine.
> 
> There must be some differences in how who's allowed to make sound is
> determined between the two systems.
----
pulseaudio runs as the logged in user

gdm does not

Craig


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