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[Guru Prasad <guru2411@xxxxxxxxxxx>]

This bug exists in Ubuntu 14.04.

I created ~/.asoundrc and attempted to override pcm.!default which was
not honoured by ALSA due to /usr/share/alsa/alsa.conf.d/pulse.conf
running after /usr/share/alsa/alsa.conf. This caused pulse to override
my defaults.

An easy fix so far seems to be including ~/.asoundrc in
/usr/share/alsa/alsa.conf.d/pulse.conf.

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https://bugs.launchpad.net/bugs/295832

Title:
  Alsa does not honor pcm.!default because of /usr/share/alsa/pulse.conf

Status in pulseaudio package in Ubuntu:
  Fix Released
Status in pulseaudio source package in Intrepid:
  Fix Released

Bug description:
  SRU information follows:

  Impact statement: Users of Ubuntu 8.10 find that their
  /etc/asound.conf and ~/.asoundrc are ignored due to missing entries in
  /usr/share/alsa/pulse.conf. This symptom affects all users with the
  pulseaudio package installed *and* the daemon (regardless of system-
  wide or per-user session instance) running.

  Bug resolution: The missing lines [referencing /etc/asound.conf and
  ~/.asoundrc] are added to /usr/share/alsa/pulse.conf. The change to
  the errors line mimics libasound2's /usr/share/alsa/alsa.conf [to not
  throw an error upon a missing ~/.asoundrc]. With these changes, users
  of default Ubuntu 8.10 will have their /etc/asound.conf and
  ~/.asoundrc, if extant, honoured with higher priority than the
  configuration shipped by pulseaudio, thereby restoring expected alsa-
  lib runtime conf behaviour (for native ALSA applications) prior to
  intrepid. If either /etc/asound.conf or ~/.asoundrc is missing, the
  current intrepid behaviour of pulseaudio overriding {pcm,ctl}.default
  is retained. This change is shown via Loggerhead here:
  http://bazaar.launchpad.net/~crimsun/pulseaudio/ubuntu/revision/38?remember=36&compare_revid=36.

  SRU patch:
  http://launchpadlibrarian.net/21333323/pulseaudio_0.9.10-2ubuntu9.3.debdiff

  Instructions to reproduce the symptom: Create an ~/.asoundrc with the
  following contents only:

  # --- begin ---
  pcm.!default {
     type plug
     slave hw:5,0
  }

  ctl.!default {
     type hw
     card 5
  }
  # --- end ---

  After a fresh GNOME session login, open Applications> Accessories> Terminal, and use `speaker-test -Ddefault -c2' to verify that:
  1) the speaker-test output continues to play (until interrupt, ctrl+c) through the PulseAudio-configured default device;
  2) no errors are generated by alsa-lib.

  These two symptoms verify that ~/.asoundrc is ignored.

  Regression potential: Users who have a misconfigured /etc/asound.conf
  or ~/.asoundrc will notice that native ALSA apps refuse to start and
  throw alsa-lib error(s), which can be resolved by removing the
  offending conffile.

  Original description follows:

  Binary package hint: pulseaudio

  Even if I define a pcm.!default section in ~/.asoundrc, /usr/share
  /pulse-alsa.conf overrides this definition, so the default alsa output
  is always pulseaudio.

  If I comment the pcm.!default and ctl.!default in /usr/share/alsa
  /pulse-alsa.conf everything behaves as normal.

  Using Intrepid amd64.

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