Had the same problem on a fresh install of Ubuntu 12.04.3.
Two audio cards with snd-hda-intel:
$ lspci -v | grep -A6 Audio
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High
Definition Audio Controller (rev 04)
Subsystem: Gigabyte Technology Co., Ltd Device a002
Flags: bus master, fast devsel, latency 0, IRQ 46
Memory at f3210000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd-hda-intel
--
01:00.1 Audio device: NVIDIA Corporation GK107 HDMI Audio Controller (rev a1)
Subsystem: ZOTAC International (MCO) Ltd. Device 1258
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at f3080000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd-hda-intel
Both are found by ALSA:
$ cat /proc/asound/cards
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xf3210000 irq 46
1 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xf3080000 irq 17
But pulseaudio does not start:
$ sudo killall pulseaudio
pulseaudio: no process found
It complains about zeroconf:
$ pulseaudio
E: [pulseaudio] module.c: Failed to open module "module-zeroconf-discover":
file not found
E: [pulseaudio] main.c: Module load failed.
E: [pulseaudio] main.c: Failed to initialize daemon.
Installing "pulseaudio-module-zeroconf" solves the problem:
$ sudo apt-get install pulseaudio-module-zeroconf
...
$ pulseaudio
E: [pulseaudio] module-tunnel.c: Failed to create sink.
E: [pulseaudio] module.c: Failed to load module "module-tunnel-sink" (argument:
"server=[anonymized-ip]:4713 sink=alsa_output.pci-0000_01_00.1.hdmi-stereo
format=s16le channels=2 rate=44100
sink_name=tunnel.anonymized.local.alsa_output.pci-0000_01_00.1.hdmi-stereo
channel_map=front-left,front-right"): initialization failed.
W: [pulseaudio] module-tunnel.c: Stream died.
W: [pulseaudio] module-tunnel.c: Stream died.
E: [pulseaudio] module-tunnel.c: Failed to create source.
E: [pulseaudio] module.c: Failed to load module "module-tunnel-source"
(argument: "server=[anonymized-ipv6]:4713
source=alsa_input.pci-0000_00_1b.0.analog-stereo format=s16le channels=2
rate=44100
source_name=tunnel.anonymized.local.alsa_input.pci-0000_00_1b.0.analog-stereo
channel_map=front-left,front-right"): initialization failed.
E: [pulseaudio] module-tunnel.c: Connection failed: Connection refused
E: [pulseaudio] module-tunnel.c: Connection failed: Connection refused
It complains about not being able to connect to some server on our local
network, but at least it starts now and allows me to configure both
internal sound cards via the sound settings.
I think pulseaudio is wrong about refusing to start when the zeroconf
module is not present. It should just skip the zeroconf step and use the
local devices that are there anyway. Let me know if I should try to
remove the module again and get some more verbose output from
pulseaudio.
** Changed in: pulseaudio (Ubuntu)
Status: Expired => Confirmed
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https://bugs.launchpad.net/bugs/978248
Title:
No soundcards detected by pulseaudio, but visible from ALSA
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