Comment 0 for bug 1879462

kchsieh@kchsieh-Inspiron-3790:~$ lsb_release -rd
Description: Ubuntu 20.04 LTS
Release: 20.04
kchsieh@kchsieh-Inspiron-3790:~$

pulseaudio:
  Installed: 1:13.99.1-1ubuntu3.2
  Candidate: 1:13.99.1-1ubuntu3.2
  Version table:
 *** 1:13.99.1-1ubuntu3.2 500
        500 http://tw.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages
        100 /var/lib/dpkg/status
     1:13.99.1-1ubuntu3 500
        500 http://tw.archive.ubuntu.com/ubuntu focal/main amd64 Packages

Expect result:
module-alsa-card loads successfully, 'pacmd info' shows the recognized sink device.

Actual result:
'pacmd info' shows "Dummy Output", and failed to load module-alsa-card.
1 sink(s) available.
  * index: 0
 name: <auto_null>
 driver: <module-null-sink.c>
 flags: DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
 state: IDLE
 suspend cause: (none)
 priority: 1000
 volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
         balance 0.00
 base volume: 65536 / 100% / 0.00 dB
 volume steps: 65537
 muted: no
 current latency: 3.51 ms
 max request: 6 KiB
 max rewind: 6 KiB
 monitor source: 0
 sample spec: s16le 2ch 44100Hz
 channel map: front-left,front-right
              Stereo
 used by: 0
 linked by: 1
 configured latency: 40.00 ms; range is 0.50 .. 2000.00 ms
 module: 14
 properties:
  device.description = "Dummy Output"
  device.class = "abstract"
  device.icon_name = "audio-card"