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#1 2021-08-20 18:54:44

noether
Member
Registered: 2021-08-20
Posts: 4

Can't get sound to work on 2019 iMac, apparently only HDMI outputs.

So I have everything setup except sound, and I'm not very sure how to troubleshoot this, here is some info that may be useful (all of them while playing something on youtube):

aplay -lL

ξ ~ aplay -lL
null
    Discard all samples (playback) or generate zero samples (capture)
samplerate
    Rate Converter Plugin Using Samplerate Library
speexrate
    Rate Converter Plugin Using Speex Resampler
jack
    JACK Audio Connection Kit
oss
    Open Sound System
pulse
    PulseAudio Sound Server
speex
    Plugin using Speex DSP (resample, agc, denoise, echo, dereverb)
upmix
    Plugin for channel upmix (4,6,8)
vdownmix
    Plugin for channel downmix (stereo) with a simple spacialization
default
    Default ALSA Output (currently PulseAudio Sound Server)
front:CARD=PCH
    Front output / input
surround21:CARD=PCH
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=PCH
    4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
usbstream:CARD=PCH
    HDA Intel PCH
    USB Stream Output
hdmi:CARD=HDMI,DEV=0
    HDA ATI HDMI, HDMI 0
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=1
    HDA ATI HDMI, HDMI 1
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=2
    HDA ATI HDMI, HDMI 2
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=3
    HDA ATI HDMI, HDMI 3
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=4
    HDA ATI HDMI, HDMI 4
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=5
    HDA ATI HDMI, HDMI 5
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=6
    HDA ATI HDMI, HDMI 6
    HDMI Audio Output
usbstream:CARD=HDMI
    HDA ATI HDMI
    USB Stream Output
**** List of PLAYBACK Hardware Devices ****
card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 9: HDMI 3 [HDMI 3]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 10: HDMI 4 [HDMI 4]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 11: HDMI 5 [HDMI 5]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 12: HDMI 6 [HDMI 6]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

pacmd list-cards

pacmd list-cards
1 card(s) available.
    index: 0
	name: <alsa_card.pci-0000_01_00.1>
	driver: <module-alsa-card.c>
	owner module: 6
	properties:
		alsa.card = "1"
		alsa.card_name = "HDA ATI HDMI"
		alsa.long_card_name = "HDA ATI HDMI at 0x81760000 irq 60"
		alsa.driver_name = "snd_hda_intel"
		device.bus_path = "pci-0000:01:00.1"
		sysfs.path = "/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1"
		device.bus = "pci"
		device.vendor.id = "1002"
		device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
		device.product.id = "aaf0"
		device.product.name = "Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590]"
		device.string = "1"
		device.description = "Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590]"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-pci"
	profiles:
		output:hdmi-stereo: Digital Stereo (HDMI) Output (priority 5900, available: no)
		output:hdmi-surround: Digital Surround 5.1 (HDMI) Output (priority 800, available: no)
		output:hdmi-surround71: Digital Surround 7.1 (HDMI) Output (priority 800, available: no)
		output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output (priority 5700, available: no)
		output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) Output (priority 600, available: no)
		output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) Output (priority 600, available: no)
		output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) Output (priority 5700, available: no)
		output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) Output (priority 600, available: no)
		output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) Output (priority 600, available: no)
		output:hdmi-stereo-extra3: Digital Stereo (HDMI 4) Output (priority 5700, available: no)
		output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4) Output (priority 600, available: no)
		output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4) Output (priority 600, available: no)
		output:hdmi-stereo-extra4: Digital Stereo (HDMI 5) Output (priority 5700, available: no)
		output:hdmi-surround-extra4: Digital Surround 5.1 (HDMI 5) Output (priority 600, available: no)
		output:hdmi-surround71-extra4: Digital Surround 7.1 (HDMI 5) Output (priority 600, available: no)
		output:hdmi-stereo-extra5: Digital Stereo (HDMI 6) Output (priority 38468, available: unknown)
		output:hdmi-stereo-extra6: Digital Stereo (HDMI 7) Output (priority 5700, available: no)
		output:hdmi-surround-extra6: Digital Surround 5.1 (HDMI 7) Output (priority 600, available: no)
		output:hdmi-surround71-extra6: Digital Surround 7.1 (HDMI 7) Output (priority 600, available: no)
		off: Off (priority 0, available: unknown)
	active profile: <output:hdmi-stereo-extra5>
	sinks:
		alsa_output.pci-0000_01_00.1.hdmi-stereo-extra5/#2: Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590] Digital Stereo (HDMI 6)
	sources:
		alsa_output.pci-0000_01_00.1.hdmi-stereo-extra5.monitor/#2: Monitor of Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590] Digital Stereo (HDMI 6)
	ports:
		hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "video-display"
		hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "video-display"
		hdmi-output-2: HDMI / DisplayPort 3 (priority 5700, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "video-display"
		hdmi-output-3: HDMI / DisplayPort 4 (priority 5600, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "video-display"
		hdmi-output-4: HDMI / DisplayPort 5 (priority 5500, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "video-display"
		hdmi-output-5: HDMI / DisplayPort 6 (priority 5400, latency offset 0 usec, available: yes)
			properties:
				device.icon_name = "video-display"
				device.product.name = "DELL U2414H"
		hdmi-output-6: HDMI / DisplayPort 7 (priority 5300, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "video-display"

pacmd list-sink-inputs:

pacmd list-sink-inputs
2 sink input(s) available.
    index: 5
	driver: <protocol-native.c>
	flags: START_CORKED
	state: RUNNING
	sink: 2 <alsa_output.pci-0000_01_00.1.hdmi-stereo-extra5>
	volume: front-left: 55366 /  84% / -4.39 dB,   front-right: 55366 /  84% / -4.39 dB
	        balance 0.00
	muted: no
	current latency: 86.29 ms
	requested latency: 75.00 ms
	sample spec: float32le 2ch 48000Hz
	channel map: front-left,front-right
	             Stereo
	resample method: copy
	module: 9
	client: 290 <Firefox>
	properties:
		media.name = "AudioStream"
		application.name = "Firefox"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "35"
		application.process.id = "2159051"
		application.process.user = "alex"
		application.process.host = "Euler"
		application.process.binary = "firefox"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "5db19fff8ff74524a2575170609ee111"
		application.process.session_id = "10"
		application.icon_name = "firefox"
		module-stream-restore.id = "sink-input-by-application-name:Firefox"
    index: 6
	driver: <protocol-native.c>
	flags: START_CORKED
	state: RUNNING
	sink: 2 <alsa_output.pci-0000_01_00.1.hdmi-stereo-extra5>
	volume: front-left: 49341 /  75% / -7.40 dB,   front-right: 49341 /  75% / -7.40 dB
	        balance 0.00
	muted: no
	current latency: 86.29 ms
	requested latency: 75.00 ms
	sample spec: float32le 2ch 48000Hz
	channel map: front-left,front-right
	             Stereo
	resample method: copy
	module: 9
	client: 290 <Firefox>
	properties:
		media.name = "AudioStream"
		application.name = "Firefox"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "35"
		application.process.id = "2159051"
		application.process.user = "alex"
		application.process.host = "Euler"
		application.process.binary = "firefox"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "5db19fff8ff74524a2575170609ee111"
		application.process.session_id = "10"
		application.icon_name = "firefox"
		module-stream-restore.id = "sink-input-by-application-name:Firefox"

I'm not sure what to get from this. I have a sound interface that I use on the mac OS to record guitar etc. and when I plug earphones there I can actually hear the sound from Arch Linux but it's so poor quality. And nothing from the iMac speakers themselves. To me it looks like it is only seeing some HDMI outputs which I'm not entirely sure if that's the way it should be.

Last edited by noether (2021-08-20 18:55:41)

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#2 2021-08-21 12:51:05

Lone_Wolf
Administrator
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 13,285

Re: Can't get sound to work on 2019 iMac, apparently only HDMI outputs.

Please post 

$ lspci -k
# SYSTEMD_LESS=FRXMK journalctl -b   #run as root

The journal output is likely to be large, consider using a pastebin service for it.

Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.

clean chroot building not flexible enough ?
Try clean chroot manager by graysky

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#3 2021-08-22 05:05:47

noether
Member
Registered: 2021-08-20
Posts: 4

Re: Can't get sound to work on 2019 iMac, apparently only HDMI outputs.

Thanks for the reply!

Here are the outputs:

lspci -k:

00:00.0 Host bridge: Intel Corporation 8th Gen Core Processor Host Bridge/DRAM Registers (rev 0d)
	DeviceName: SATA
	Subsystem: Intel Corporation Device 7270
	Kernel driver in use: skl_uncore
	Kernel modules: ie31200_edac
00:01.0 PCI bridge: Intel Corporation 6th-10th Gen Core Processor PCIe Controller (x16) (rev 0d)
	Kernel driver in use: pcieport
00:12.0 Signal processing controller: Intel Corporation Cannon Lake PCH Thermal Controller (rev 10)
	Subsystem: Intel Corporation Device 7270
	Kernel driver in use: intel_pch_thermal
	Kernel modules: intel_pch_thermal
00:14.0 USB controller: Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller (rev 10)
	Subsystem: Intel Corporation Device 7270
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci
00:14.2 RAM memory: Intel Corporation Cannon Lake PCH Shared SRAM (rev 10)
00:16.0 Communication controller: Intel Corporation Cannon Lake PCH HECI Controller (rev 10)
	Subsystem: Intel Corporation Device 7270
	Kernel driver in use: mei_me
	Kernel modules: mei_me
00:17.0 SATA controller: Intel Corporation Cannon Lake PCH SATA AHCI Controller (rev 10)
	Subsystem: Intel Corporation Device 7270
	Kernel driver in use: ahci
00:1b.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #17 (rev f0)
	Kernel driver in use: pcieport
00:1c.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #1 (rev f0)
	Kernel driver in use: pcieport
00:1c.1 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #2 (rev f0)
	Kernel driver in use: pcieport
00:1c.4 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #5 (rev f0)
	Kernel driver in use: pcieport
00:1e.0 Communication controller: Intel Corporation Cannon Lake PCH Serial IO UART Host Controller (rev 10)
	Subsystem: Intel Corporation Device 7270
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci
00:1e.1 Communication controller: Intel Corporation Device a329 (rev 10)
	Subsystem: Intel Corporation Device 7270
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci
00:1f.0 ISA bridge: Intel Corporation Q370 Chipset LPC/eSPI Controller (rev 10)
	Subsystem: Intel Corporation Device 7270
00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10)
	Subsystem: Intel Corporation Device 7270
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel, snd_soc_skl, snd_sof_pci_intel_cnl
00:1f.4 SMBus: Intel Corporation Cannon Lake PCH SMBus Controller (rev 10)
	Subsystem: Intel Corporation Device 7270
	Kernel driver in use: i801_smbus
	Kernel modules: i2c_i801
00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH SPI Controller (rev 10)
	Subsystem: Intel Corporation Device 7270
	Kernel driver in use: intel-spi
	Kernel modules: intel_spi_pci
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] (rev c0)
	Subsystem: Apple Inc. Device 0195
	Kernel driver in use: amdgpu
	Kernel modules: amdgpu
01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590]
	Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590]
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel
02:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM961/PM961/SM963
	Subsystem: Samsung Electronics Co Ltd SM963 2.5" NVMe PCIe SSD
	Kernel driver in use: nvme
03:00.0 Network controller: Broadcom Inc. and subsidiaries BCM4364 802.11ac Wireless Network Adapter (rev 03)
	Subsystem: Apple Inc. Device 07bf
	Kernel modules: brcmfmac
04:00.0 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM57766 Gigabit Ethernet PCIe (rev 01)
	Subsystem: Broadcom Inc. and subsidiaries NetXtreme BCM57766 Gigabit Ethernet PCIe
	Kernel driver in use: tg3
	Kernel modules: tg3
04:00.1 SD Host controller: Broadcom Inc. and subsidiaries BCM57765/57785 SDXC/MMC Card Reader (rev 01)
	Subsystem: Broadcom Inc. and subsidiaries Device 0000
	Kernel driver in use: sdhci-pci
	Kernel modules: sdhci_pci
05:00.0 PCI bridge: Intel Corporation DSL6540 Thunderbolt 3 Bridge [Alpine Ridge 4C 2015] (rev 06)
	Kernel driver in use: pcieport
06:00.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] (rev 06)
	Kernel driver in use: pcieport
06:01.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] (rev 06)
	Kernel driver in use: pcieport
06:02.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] (rev 06)
	Kernel driver in use: pcieport
06:04.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] (rev 06)
	Kernel driver in use: pcieport
07:00.0 System peripheral: Intel Corporation JHL7540 Thunderbolt 3 NHI [Titan Ridge 4C 2018] (rev 06)
	Subsystem: Intel Corporation Device 0000
	Kernel driver in use: thunderbolt
	Kernel modules: thunderbolt
08:00.0 USB controller: Intel Corporation JHL7540 Thunderbolt 3 USB Controller [Titan Ridge 4C 2018] (rev 06)
	Subsystem: Intel Corporation Device 0000
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci

SYSTEMD_LESS=FRXMK journalctl -b
https://pastebin.com/nzi7i9fz

Last edited by noether (2021-08-22 05:06:37)

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#4 2021-08-22 11:43:50

Lone_Wolf
Administrator
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 13,285

Re: Can't get sound to work on 2019 iMac, apparently only HDMI outputs.

00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10)
	Subsystem: Intel Corporation Device 7270
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel, snd_soc_skl, snd_sof_pci_intel_cnl

01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590]
	Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590]
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel

The integrated audio device is seen by the kernel, that's good .


Aug 22 06:45:10 Euler alsactl[411]: alsa-lib parser.c:242:(error_node) UCM is not supported for this HDA model (HDA Intel PCH at 0x81810000 irq 59)
Aug 22 06:45:10 Euler alsactl[411]: alsa-lib main.c:1405:(snd_use_case_mgr_open) error: failed to import hw:0 use case configuration -6
Aug 22 06:45:10 Euler alsactl[411]: alsa-lib parser.c:242:(error_node) UCM is not supported for this HDA model (HDA ATI HDMI at 0x81760000 irq 60)
Aug 22 06:45:10 Euler alsactl[411]: alsa-lib main.c:1405:(snd_use_case_mgr_open) error: failed to import hw:1 use case configuration -6

Not sure what they mean, but something definitely goes wrong.

https://bugs.archlinux.org/task/71180 looks relevant, but the fixes mentioned there should be in alsa 1.2.5.1-1 .

Intel cannon lake is listed on https://thesofproject.github.io/latest/ … index.html and one of the possible kenrel modules for your card is  snd_sof_pci_intel_cnl .

Check if both alsa-ucm-conf & sof-firmware are installed.
If not, install them and reboot.

Last edited by Lone_Wolf (2021-08-22 11:44:21)

Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.

clean chroot building not flexible enough ?
Try clean chroot manager by graysky

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#5 2021-08-25 06:12:53

noether
Member
Registered: 2021-08-20
Posts: 4

Re: Can't get sound to work on 2019 iMac, apparently only HDMI outputs.

I didn't have sof-firmware installed, but unfortunately I installed it and rebooted and still it doesn't work. I am not entirely sure what should I do with the second link you shared though. I have looked for snd_sof_pci_intel_cnl online and a couple of posts popped up suggesting to create a file inside /etc/modprobe.d with the line 

options snd-hda-intel model=imac27

but unfortunately that didn't work either. At this point I don't know what could be happening.

Last edited by noether (2021-08-25 15:05:47)

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#6 2021-08-25 06:45:51

SimonJ
Member
Registered: 2021-05-11
Posts: 189

Re: Can't get sound to work on 2019 iMac, apparently only HDMI outputs.

I just setup an imac 2011 and it needed

/etc/modprobe.d/alsa-base.conf

to contain

options snd-hda-intel model=imac27_122

to get the sound working properly. Your model may be different but that _122 made all the difference for me.

Rlu: 222126

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#7 2021-08-25 15:06:26

noether
Member
Registered: 2021-08-20
Posts: 4

Re: Can't get sound to work on 2019 iMac, apparently only HDMI outputs.

SimonJ wrote:

I just setup an imac 2011 and it needed

/etc/modprobe.d/alsa-base.conf

to contain

options snd-hda-intel model=imac27_122

to get the sound working properly. Your model may be different but that _122 made all the difference for me.

How do you get your model? I have tried both imac27 and imac27_122 but maybe there are more models?

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