On 11/24/2008 07:05 PM, Robb Topolski wrote:
>
> - commenting out everything in /usr/share/alsa/pulse.conf:
>     amixer responds fast
>
> (The description of this file is, "PulseAudio alsa plugin configuration
> file to set the pulseaudio plugin as default output for applications
> using alsa when pulseaudio is running." However, pulseaudio is not
> running, wasn't running, so why does Aschuring's commenting out of lines
> change anything?  /usr/share/alsa/pulse.conf calls its config from
> /usr/share/alsa/pulse-alsa.conf which appears to set pulse as the
> default sound device.  Aschuring's tests at the single-user root prompt
> create a similar situation to what all these users are reporting where
> when the user session is ended, X and pulse are no longer running, and
> the alsa configuration is to use pulse.)
>
> - removing dns in /etc/nsswitch.conf or adding localhost to ipv6 ::1 in 
> /etc/hosts
>        amixer responds fast
>
> (This addresses the networking delay, but not whether alsa should be
> looking for pulse at all when the server is not running. Removing dns
> from nsswitch.conf is not desirable.)
>

If the alsa-lib conffile that libasound2-plugins provides contains the 
trigger (i.e., redefining pcm.default so that pulse pcm+ctl routing is 
used preferentially), then everyone should be able to reproduce this 
symptom in single-user mode by passing the card index explicitly to 
amixer/alsactl.  Can you verify that is the case?

-- 
MASTER storing ALSA mixer element values during shutdown hangs 
nondeterministically if non-loopback network interfaces are still up
https://bugs.launchpad.net/bugs/274995
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