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#1 2020-02-20 15:03:10

danielhanke
Member
Registered: 2017-02-04
Posts: 3

[SOLVED]Audio Sink is constantly getting replaced?, causing audio gaps

Hi,

playing audio on my system works in general.
my system has 2 sound cards, one on-board (Realtek ALC892, still preferred, want to use the optical output) and hdmi via nvidia graphics card.

using the later everything is fine, except thats not the way i can plugin my speakers.

the other, preferred on-board card is causing gaps, same time the sink-number does increase. the following snipped shows sink #91, was starting at #2.

dhanke@nathan ~ $ uptime                            
 15:51:58 up 43 min...
dhanke@nathan ~ $ pactl list sinks short                                                                                                                                                                                      
1	combined	module-combine-sink.c	s16le 2ch 44100Hz	SUSPENDED
91	alsa_output.pci-0000_00_1b.0.iec958-stereo	module-alsa-card.c	s16le 2ch 44100Hz	RUNNING

booting any recent linux livecd (to make sure i did not mess up the configs) shows the exact same behavior.
booting windows does not, so the on-board card itself seems to be fine.

any idea?

here the details:

$ uname -a
Linux nathan 5.5.4-arch1-1 #1 SMP PREEMPT Sat, 15 Feb 2020 00:36:29 +0000 x86_64 GNU/Linux

$ pactl info                  
Server String: /run/user/1000/pulse/native
Library Protocol Version: 33
Server Protocol Version: 33
Is Local: yes
Client Index: 2618
Tile Size: 65472
User Name: dhanke
Host Name: nathan
Server Name: pulseaudio
Server Version: 13.0
Default Sample Specification: s16le 2ch 44100Hz
Default Channel Map: front-left,front-right
Default Sink: alsa_output.pci-0000_00_1b.0.iec958-stereo
Default Source: alsa_output.pci-0000_00_1b.0.iec958-stereo.monitor
Cookie: 6a22:158d
$ hwinfo --sound            
35: PCI 1b.0: 0403 Audio device                                 
  [Created at pci.386]
  Unique ID: u1Nb.UOOQj_+RZIF
  SysFS ID: /devices/pci0000:00/0000:00:1b.0
  SysFS BusID: 0000:00:1b.0
  Hardware Class: sound
  Model: "Intel C610/X99 series chipset HD Audio Controller"
  Vendor: pci 0x8086 "Intel Corporation"
  Device: pci 0x8d20 "C610/X99 series chipset HD Audio Controller"
  SubVendor: pci 0x1462 "Micro-Star International Co., Ltd. [MSI]"
  SubDevice: pci 0xd885 
  Revision: 0x05
  Driver: "snd_hda_intel"
  Driver Modules: "snd_hda_intel"
  Memory Range: 0xfb430000-0xfb433fff (rw,non-prefetchable)
  IRQ: 59 (3791 events)
  Module Alias: "pci:v00008086d00008D20sv00001462sd0000D885bc04sc03i00"
  Driver Info #0:
    Driver Status: snd_hda_intel is active
    Driver Activation Cmd: "modprobe snd_hda_intel"
  Config Status: cfg=new, avail=yes, need=no, active=unknown

56: PCI 200.1: 0403 Audio device
  [Created at pci.386]
  Unique ID: 2Oa+._ZepxrPen05
  Parent ID: 3hqH.OWr8JB2wtc3
  SysFS ID: /devices/pci0000:00/0000:00:03.0/0000:02:00.1
  SysFS BusID: 0000:02:00.1
  Hardware Class: sound
  Model: "nVidia GM204 High Definition Audio Controller"
  Vendor: pci 0x10de "nVidia Corporation"
  Device: pci 0x0fbb "GM204 High Definition Audio Controller"
  SubVendor: pci 0x1458 "Gigabyte Technology Co., Ltd"
  SubDevice: pci 0x3670 
  Revision: 0xa1
  Driver: "snd_hda_intel"
  Driver Modules: "snd_hda_intel"
  Memory Range: 0xfb080000-0xfb083fff (rw,non-prefetchable)
  IRQ: 60 (503 events)
  Module Alias: "pci:v000010DEd00000FBBsv00001458sd00003670bc04sc03i00"
  Driver Info #0:
    Driver Status: snd_hda_intel is active
    Driver Activation Cmd: "modprobe snd_hda_intel"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #53 (PCI bridge)
dhanke@nathan ~ $ pactl list cards   
Card #0
	Name: alsa_card.pci-0000_02_00.1
	Driver: module-alsa-card.c
	Owner Module: 6
	Properties:
		alsa.card = "1"
		alsa.card_name = "HDA NVidia"
		alsa.long_card_name = "HDA NVidia at 0xfb080000 irq 60"
		alsa.driver_name = "snd_hda_intel"
		device.bus_path = "pci-0000:02:00.1"
		sysfs.path = "/devices/pci0000:00/0000:00:03.0/0000:02:00.1/sound/card1"
		device.bus = "pci"
		device.vendor.id = "10de"
		device.vendor.name = "NVIDIA Corporation"
		device.product.id = "0fbb"
		device.product.name = "GM204 High Definition Audio Controller"
		device.string = "1"
		device.description = "GM204 High Definition Audio Controller"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-pci"
	Profiles:
		output:hdmi-stereo: Digital Stereo (HDMI) Output (sinks: 1, sources: 0, priority: 5900, available: yes)
		output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output (sinks: 1, sources: 0, priority: 5700, available: no)
		output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) Output (sinks: 1, sources: 0, priority: 600, available: no)
		output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) Output (sinks: 1, sources: 0, priority: 600, available: no)
		output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) Output (sinks: 1, sources: 0, priority: 5700, available: no)
		output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) Output (sinks: 1, sources: 0, priority: 600, available: no)
		output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) Output (sinks: 1, sources: 0, priority: 600, available: no)
		output:hdmi-stereo-extra3: Digital Stereo (HDMI 4) Output (sinks: 1, sources: 0, priority: 5700, available: no)
		output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4) Output (sinks: 1, sources: 0, priority: 600, available: no)
		output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4) Output (sinks: 1, sources: 0, priority: 600, available: no)
		output:hdmi-stereo-extra4: Digital Stereo (HDMI 5) Output (sinks: 1, sources: 0, priority: 5700, available: no)
		output:hdmi-surround-extra4: Digital Surround 5.1 (HDMI 5) Output (sinks: 1, sources: 0, priority: 600, available: no)
		output:hdmi-surround71-extra4: Digital Surround 7.1 (HDMI 5) Output (sinks: 1, sources: 0, priority: 600, available: no)
		output:hdmi-stereo-extra5: Digital Stereo (HDMI 6) Output (sinks: 1, sources: 0, priority: 5700, available: no)
		output:hdmi-surround-extra5: Digital Surround 5.1 (HDMI 6) Output (sinks: 1, sources: 0, priority: 600, available: no)
		output:hdmi-surround71-extra5: Digital Surround 7.1 (HDMI 6) Output (sinks: 1, sources: 0, priority: 600, available: no)
		output:hdmi-stereo-extra6: Digital Stereo (HDMI 7) Output (sinks: 1, sources: 0, priority: 5700, available: no)
		output:hdmi-surround-extra6: Digital Surround 5.1 (HDMI 7) Output (sinks: 1, sources: 0, priority: 600, available: no)
		output:hdmi-surround71-extra6: Digital Surround 7.1 (HDMI 7) Output (sinks: 1, sources: 0, priority: 600, available: no)
		off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
	Active Profile: off
	Ports:
		hdmi-output-0: HDMI / DisplayPort (priority: 5900, latency offset: 0 usec, available)
			Properties:
				device.icon_name = "video-display"
				device.product.name = "LG ULTRAWIDE
"
			Part of profile(s): output:hdmi-stereo
		hdmi-output-1: HDMI / DisplayPort 2 (priority: 5800, latency offset: 0 usec, not available)
			Properties:
				device.icon_name = "video-display"
			Part of profile(s): output:hdmi-stereo-extra1, output:hdmi-surround-extra1, output:hdmi-surround71-extra1
		hdmi-output-2: HDMI / DisplayPort 3 (priority: 5700, latency offset: 0 usec, not available)
			Properties:
				device.icon_name = "video-display"
			Part of profile(s): output:hdmi-stereo-extra2, output:hdmi-surround-extra2, output:hdmi-surround71-extra2
		hdmi-output-3: HDMI / DisplayPort 4 (priority: 5600, latency offset: 0 usec, not available)
			Properties:
				device.icon_name = "video-display"
			Part of profile(s): output:hdmi-stereo-extra3, output:hdmi-surround-extra3, output:hdmi-surround71-extra3
		hdmi-output-4: HDMI / DisplayPort 5 (priority: 5500, latency offset: 0 usec, not available)
			Properties:
				device.icon_name = "video-display"
			Part of profile(s): output:hdmi-stereo-extra4, output:hdmi-surround-extra4, output:hdmi-surround71-extra4
		hdmi-output-5: HDMI / DisplayPort 6 (priority: 5400, latency offset: 0 usec, not available)
			Properties:
				device.icon_name = "video-display"
			Part of profile(s): output:hdmi-stereo-extra5, output:hdmi-surround-extra5, output:hdmi-surround71-extra5
		hdmi-output-6: HDMI / DisplayPort 7 (priority: 5300, latency offset: 0 usec, not available)
			Properties:
				device.icon_name = "video-display"
			Part of profile(s): output:hdmi-stereo-extra6, output:hdmi-surround-extra6, output:hdmi-surround71-extra6

Card #1
	Name: alsa_card.pci-0000_00_1b.0
	Driver: module-alsa-card.c
	Owner Module: 7
	Properties:
		alsa.card = "0"
		alsa.card_name = "HDA Intel PCH"
		alsa.long_card_name = "HDA Intel PCH at 0xfb430000 irq 59"
		alsa.driver_name = "snd_hda_intel"
		device.bus_path = "pci-0000:00:1b.0"
		sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card0"
		device.bus = "pci"
		device.vendor.id = "8086"
		device.vendor.name = "Intel Corporation"
		device.product.id = "8d20"
		device.product.name = "C610/X99 series chipset HD Audio Controller"
		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 (sinks: 0, sources: 1, priority: 65, available: no)
		output:analog-stereo: Analog Stereo Output (sinks: 1, sources: 0, priority: 6500, available: no)
		output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (sinks: 1, sources: 1, priority: 6565, available: no)
		output:analog-surround-21: Analog Surround 2.1 Output (sinks: 1, sources: 0, priority: 1300, available: no)
		output:analog-surround-21+input:analog-stereo: Analog Surround 2.1 Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 1365, available: no)
		output:analog-surround-40: Analog Surround 4.0 Output (sinks: 1, sources: 0, priority: 1200, available: no)
		output:analog-surround-40+input:analog-stereo: Analog Surround 4.0 Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 1265, available: no)
		output:analog-surround-41: Analog Surround 4.1 Output (sinks: 1, sources: 0, priority: 1300, available: no)
		output:analog-surround-41+input:analog-stereo: Analog Surround 4.1 Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 1365, available: no)
		output:analog-surround-50: Analog Surround 5.0 Output (sinks: 1, sources: 0, priority: 1200, available: no)
		output:analog-surround-50+input:analog-stereo: Analog Surround 5.0 Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 1265, available: no)
		output:analog-surround-51: Analog Surround 5.1 Output (sinks: 1, sources: 0, priority: 1300, available: no)
		output:analog-surround-51+input:analog-stereo: Analog Surround 5.1 Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 1365, available: no)
		output:iec958-stereo: Digital Stereo (IEC958) Output (sinks: 1, sources: 0, priority: 5500, available: yes)
		output:iec958-stereo+input:analog-stereo: Digital Stereo (IEC958) Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 5565, available: no)
		off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
	Active Profile: output:iec958-stereo
	Ports:
		analog-input-front-mic: Front Microphone (priority: 8500, latency offset: 0 usec, not available)
			Properties:
				device.icon_name = "audio-input-microphone"
			Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-surround-21+input:analog-stereo, output:analog-surround-40+input:analog-stereo, output:analog-surround-41+input:analog-stereo, output:analog-surround-50+input:analog-stereo, output:analog-surround-51+input:analog-stereo, output:iec958-stereo+input:analog-stereo
		analog-input-rear-mic: Rear Microphone (priority: 8200, latency offset: 0 usec, not available)
			Properties:
				device.icon_name = "audio-input-microphone"
			Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-surround-21+input:analog-stereo, output:analog-surround-40+input:analog-stereo, output:analog-surround-41+input:analog-stereo, output:analog-surround-50+input:analog-stereo, output:analog-surround-51+input:analog-stereo, output:iec958-stereo+input:analog-stereo
		analog-input-linein: Line In (priority: 8100, latency offset: 0 usec, not available)
			Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-surround-21+input:analog-stereo, output:analog-surround-40+input:analog-stereo, output:analog-surround-41+input:analog-stereo, output:analog-surround-50+input:analog-stereo, output:analog-surround-51+input:analog-stereo, output:iec958-stereo+input:analog-stereo
		analog-output-lineout: Line Out (priority: 9000, latency offset: 0 usec, not available)
			Part of profile(s): output:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-surround-21, output:analog-surround-21+input:analog-stereo, output:analog-surround-40, output:analog-surround-40+input:analog-stereo, output:analog-surround-41, output:analog-surround-41+input:analog-stereo, output:analog-surround-50, output:analog-surround-50+input:analog-stereo, output:analog-surround-51, output:analog-surround-51+input:analog-stereo
		analog-output-headphones: Headphones (priority: 9900, latency offset: 0 usec, not available)
			Properties:
				device.icon_name = "audio-headphones"
			Part of profile(s): output:analog-stereo, output:analog-stereo+input:analog-stereo
		iec958-stereo-output: Digital Output (S/PDIF) (priority: 0, latency offset: 20000 usec)
			Part of profile(s): output:iec958-stereo, output:iec958-stereo+input:analog-stereo
dhanke@nathan ~ $ pactl list sinks                                                                                                                                                                                             [ruby-2.5.3]
Sink #1
	State: SUSPENDED
	Name: combined
	Description: Simultaneous output to Built-in Audio Digital Stereo (IEC958)
	Driver: module-combine-sink.c
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Owner Module: 11
	Mute: no
	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
	Monitor Source: combined.monitor
	Latency: 0 usec, configured 0 usec
	Flags: DECIBEL_VOLUME LATENCY 
	Properties:
		device.class = "filter"
		device.description = "Simultaneous output to Built-in Audio Digital Stereo (IEC958)"
		device.icon_name = "audio-card"
	Formats:
		pcm

Sink #109
	State: RUNNING
	Name: alsa_output.pci-0000_00_1b.0.iec958-stereo
	Description: Built-in Audio Digital Stereo (IEC958)
	Driver: module-alsa-card.c
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Owner Module: 7
	Mute: no
	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
	Monitor Source: alsa_output.pci-0000_00_1b.0.iec958-stereo.monitor
	Latency: 31413 usec, configured 11610 usec
	Flags: HARDWARE HW_MUTE_CTRL DECIBEL_VOLUME LATENCY SET_FORMATS 
	Properties:
		alsa.resolution_bits = "16"
		device.api = "alsa"
		device.class = "sound"
		alsa.class = "generic"
		alsa.subclass = "generic-mix"
		alsa.name = "ALC892 Digital"
		alsa.id = "ALC892 Digital"
		alsa.subdevice = "0"
		alsa.subdevice_name = "subdevice #0"
		alsa.device = "1"
		alsa.card = "0"
		alsa.card_name = "HDA Intel PCH"
		alsa.long_card_name = "HDA Intel PCH at 0xfb430000 irq 59"
		alsa.driver_name = "snd_hda_intel"
		device.bus_path = "pci-0000:00:1b.0"
		sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card0"
		device.bus = "pci"
		device.vendor.id = "8086"
		device.vendor.name = "Intel Corporation"
		device.product.id = "8d20"
		device.product.name = "C610/X99 series chipset HD Audio Controller"
		device.form_factor = "internal"
		device.string = "iec958:0"
		device.buffering.buffer_size = "352800"
		device.buffering.fragment_size = "176400"
		device.access_mode = "mmap+timer"
		device.profile.name = "iec958-stereo"
		device.profile.description = "Digital Stereo (IEC958)"
		device.description = "Built-in Audio Digital Stereo (IEC958)"
		alsa.mixer_name = "Realtek ALC892"
		alsa.components = "HDA:10ec0892,1462d885,00100302"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-pci"
	Ports:
		iec958-stereo-output: Digital Output (S/PDIF) (priority: 0)
	Active Port: iec958-stereo-output
	Formats:
		ac3-iec61937, format.rate = "[ 32000, 44100, 48000, 88200, 96000, 192000 ]"
		mpeg-iec61937, format.rate = "[ 32000, 44100, 48000, 88200, 96000, 192000 ]"
		dts-iec61937, format.rate = "[ 32000, 44100, 48000, 88200, 96000, 192000 ]"
		pcm

while pasting the outputs, as you can see, sound was interrupted 18 times, the sink is now 109.

thank you

Last edited by danielhanke (2020-02-20 15:22:44)

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#2 2020-02-20 15:10:22

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 21,673

Re: [SOLVED]Audio Sink is constantly getting replaced?, causing audio gaps

Happens on buggy hardware that generates too many jack/port switching events. Can be workarounded by finding and removing or commenting the line 

load-module module-switch-on-port-available

in your /etc/pulse/default.pa to tell pulse to ignore these events.

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#3 2020-02-20 15:22:22

danielhanke
Member
Registered: 2017-02-04
Posts: 3

Re: [SOLVED]Audio Sink is constantly getting replaced?, causing audio gaps

okay, thanks for both infos V1del

1. yes, I've seen better hardware ;-)
2. that really seems to fix that issue. thanks a lot!!

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