In my case, the issue was that the soundcard profile had been set to input only, instead of output+input, so only the dummy output was available.
I fixed this by changing the card profile:
pacmd set-card-profile alsa_card.pci-0000_00_1f.3 output:analog-stereo+input:analog-stereo
(Found from the directions here: https://wiki.archlinux.org/index.php/PulseAudio/Troubleshooting#Only_S/PDIF_output_available)
In my case, the sound card profile name was the same as the one used there, but yours may be different. To find the name, do
pacmd list-cards
Example output (after I changed the active profile):
1 card(s) available.
index: 0
name: <alsa_card.pci-0000_00_1f.3>
driver: <module-alsa-card.c>
owner module: 6
properties:
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0x2ffb018000 irq 144"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1f.3"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "9d71"
device.form_factor = "internal"
device.string = "0"
device.description = "Built-in Audio"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
profiles:
input:analog-stereo: Analog Stereo Input (priority 60, available: unknown)
output:analog-stereo: Analog Stereo Output (priority 6000, available: unknown)
output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (priority 6060, available: unknown)
output:hdmi-stereo: Digital Stereo (HDMI) Output (priority 5400, available: unknown)
output:hdmi-stereo+input:analog-stereo: Digital Stereo (HDMI) Output + Analog Stereo Input (priority 5460, available: unknown)
output:hdmi-surround: Digital Surround 5.1 (HDMI) Output (priority 300, available: unknown)
output:hdmi-surround+input:analog-stereo: Digital Surround 5.1 (HDMI) Output + Analog Stereo Input (priority 360, available: unknown)
output:hdmi-surround71: Digital Surround 7.1 (HDMI) Output (priority 300, available: unknown)
output:hdmi-surround71+input:analog-stereo: Digital Surround 7.1 (HDMI) Output + Analog Stereo Input (priority 360, available: unknown)
output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output (priority 5200, available: unknown)
output:hdmi-stereo-extra1+input:analog-stereo: Digital Stereo (HDMI 2) Output + Analog Stereo Input (priority 5260, available: unknown)
output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) Output (priority 100, available: unknown)
output:hdmi-surround-extra1+input:analog-stereo: Digital Surround 5.1 (HDMI 2) Output + Analog Stereo Input (priority 160, available: unknown)
output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) Output (priority 100, available: unknown)
output:hdmi-surround71-extra1+input:analog-stereo: Digital Surround 7.1 (HDMI 2) Output + Analog Stereo Input (priority 160, available: unknown)
output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) Output (priority 5200, available: unknown)
output:hdmi-stereo-extra2+input:analog-stereo: Digital Stereo (HDMI 3) Output + Analog Stereo Input (priority 5260, available: unknown)
output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) Output (priority 100, available: unknown)
output:hdmi-surround-extra2+input:analog-stereo: Digital Surround 5.1 (HDMI 3) Output + Analog Stereo Input (priority 160, available: unknown)
output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) Output (priority 100, available: unknown)
output:hdmi-surround71-extra2+input:analog-stereo: Digital Surround 7.1 (HDMI 3) Output + Analog Stereo Input (priority 160, available: unknown)
off: Off (priority 0, available: unknown)
active profile: <output:analog-stereo+input:analog-stereo>
sinks:
alsa_output.pci-0000_00_1f.3.analog-stereo/#1: Built-in Audio Analog Stereo
sources:
alsa_input.pci-0000_00_1f.3.analog-stereo/#0: Built-in Audio Analog Stereo
alsa_output.pci-0000_00_1f.3.analog-stereo.monitor/#2: Monitor of Built-in Audio Analog Stereo
Codec #0 … disabling it...phrase (enclose it in double quotes), and look how people solved similar problems (e.g. this). 2) Try playing withmodelandprobe_maskoptions for the module — see this and this./var/log/apt/history.logand try to figure whether you had your kernel package updated (you might have the older logs archived as/var/log/apt/history.log.N.gz— you may use thezlesscommand to view them; search for the substringkernel-imageto look for the mentions of the kernel package(s) there). If you indeed had your kernel image package updated before the breakage, consider filing a bug as this might well indicate a regression.dpkg -i /path/to/the/kernel-image-package.deb, with the package taken from the APT cache, which is/var/cache/apt/archives/. If it works, the problem is confirmed.rm -r ~/.config/pulse* && pulseaudio -kdoes the jobs in my case. Thanks you very much for the hint.