I have mac mini 2009 and installed ubuntu 20.04 on it sucessfully,but the sound card is dummy i don't get any tone. I searched a lot but i did not find a solution that works for me. I would appreciate if somebody knows it well, to guide me.The sound driver should be realtk hd audio manager. The pc is connected to HDMI that has NVIDIA chip.
user@linux:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
sherif@linux:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.3 LTS
Release: 20.04
Codename: focal
I used alsa info and uploaded the information to this link, i am adding the alsa-info data also.
!!DMI Information
!!---------------
Manufacturer: Apple Inc.
Product Name: Macmini3,1
Product Version: 1.0
Firmware Version: MM31.88Z.00AD.B00.0907171535
System SKU: System SKU#
Board Vendor: Apple Inc.
Board Name: Mac-F22C86C8
!!ACPI Device Status Information
!!---------------
/sys/bus/acpi/devices/APP0001:00/status 11
/sys/bus/acpi/devices/PNP0103:00/status 15
/sys/bus/acpi/devices/PNP0A08:00/status 15
/sys/bus/acpi/devices/PNP0C0E:00/status 11
/sys/bus/acpi/devices/PNP0C0F:00/status 9
/sys/bus/acpi/devices/PNP0C0F:01/status 9
/sys/bus/acpi/devices/PNP0C0F:02/status 9
/sys/bus/acpi/devices/PNP0C0F:03/status 9
/sys/bus/acpi/devices/PNP0C0F:04/status 9
/sys/bus/acpi/devices/PNP0C0F:05/status 9
/sys/bus/acpi/devices/PNP0C0F:06/status 9
/sys/bus/acpi/devices/PNP0C0F:07/status 9
/sys/bus/acpi/devices/PNP0C0F:08/status 9
/sys/bus/acpi/devices/PNP0C0F:09/status 9
/sys/bus/acpi/devices/PNP0C0F:0a/status 9
/sys/bus/acpi/devices/PNP0C0F:0b/status 9
/sys/bus/acpi/devices/PNP0C0F:0c/status 9
/sys/bus/acpi/devices/PNP0C0F:0d/status 9
/sys/bus/acpi/devices/PNP0C0F:0e/status 9
/sys/bus/acpi/devices/PNP0C0F:0f/status 9
/sys/bus/acpi/devices/PNP0C0F:10/status 11
/sys/bus/acpi/devices/PNP0C0F:11/status 9
/sys/bus/acpi/devices/PNP0C0F:12/status 9
/sys/bus/acpi/devices/PNP0C0F:13/status 9
/sys/bus/acpi/devices/PNP0C0F:14/status 11
/sys/bus/acpi/devices/PNP0C0F:15/status 9
/sys/bus/acpi/devices/PNP0C0F:16/status 9
/sys/bus/acpi/devices/PNP0C0F:17/status 9
/sys/bus/acpi/devices/PNP0C0F:18/status 9
/sys/bus/acpi/devices/PNP0C0F:19/status 9
/sys/bus/acpi/devices/PNP0C0F:1a/status 9
/sys/bus/acpi/devices/PNP0C0F:1b/status 9
/sys/bus/acpi/devices/PNP0C0F:1c/status 9
/sys/bus/acpi/devices/PNP0C0F:1d/status 9
/sys/bus/acpi/devices/PNP0C0F:1e/status 9
/sys/bus/acpi/devices/PNP0C0F:1f/status 9
/sys/bus/acpi/devices/PNP0C0F:20/status 9
/sys/bus/acpi/devices/PNP0C0F:21/status 11
/sys/bus/acpi/devices/PNP0C0F:22/status 11
/sys/bus/acpi/devices/PNP0C0F:23/status 11
/sys/bus/acpi/devices/PNP0C0F:24/status 11
/sys/bus/acpi/devices/PNP0C0F:25/status 11
/sys/bus/acpi/devices/PNP0C0F:26/status 9
/sys/bus/acpi/devices/PNP0C0F:27/status 11
/sys/bus/acpi/devices/PNP0C0F:28/status 9
/sys/bus/acpi/devices/PNP0C0F:29/status 11
/sys/bus/acpi/devices/PNP0C0F:2a/status 11
/sys/bus/acpi/devices/PNP0C0F:2b/status 11
/sys/bus/acpi/devices/device:2e/status 15
/sys/bus/acpi/devices/device:32/status 15
/sys/bus/acpi/devices/device:34/status 15
!!Kernel Information
!!------------------
Kernel release: 5.4.0-91-generic
Operating System: GNU/Linux
Architecture: x86_64
Processor: x86_64
SMP Enabled: Yes
!!ALSA Version
!!------------
Driver version: k5.4.0-91-generic
Library version: 1.2.2
Utilities version: 1.2.2
!!Loaded ALSA modules
!!-------------------
snd_hda_intel (card 0)
!!Sound Servers on this system
!!----------------------------
Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - Yes
!!Soundcards recognised by ALSA
!!-----------------------------
0 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xd3480000 irq 21
!!PCI Soundcards installed in the system
!!--------------------------------------
00:08.0 Audio device [0403]: NVIDIA Corporation MCP79 High Definition Audio [10de:0ac0] (rev b1)
Subsystem: NVIDIA Corporation Apple iMac 9,1 [10de:cb79]
!!Modprobe options (Sound related)
!!--------------------------------
snd_pcsp: index=-2
snd_usb_audio: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_usb_audio: index=-2
snd_usb_caiaq: index=-2
snd_usb_ua101: index=-2
snd_usb_us122l: index=-2
snd_usb_usx2y: index=-2
snd_cmipci: mpu_port=0x330 fm_port=0x388
snd_pcsp: index=-2
snd_usb_audio: index=-2
!!Loaded sound module options
!!---------------------------
!!Module: snd_hda_intel
align_buffer_size : -1
bdl_pos_adj : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
beep_mode : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N
dmic_detect : Y
enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y
enable_msi : -1
id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
jackpoll_ms : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
model : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
patch : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
pm_blacklist : Y
position_fix : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
power_save : 1
power_save_controller : Y
probe_mask : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
probe_only : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
single_cmd : -1
snoop : -1
!!Sysfs card info
!!---------------
!!Card: /sys/class/sound/card0
Driver: /sys/bus/pci/drivers/snd_hda_intel
Tree:
/sys/class/sound/card0
|-- controlC0
| |-- dev
| |-- device -> ../../card0
| |-- power
| |-- subsystem -> ../../../../../../class/sound
| `-- uevent
|-- device -> ../../../0000:00:08.0
|-- id
|-- number
|-- power
| |-- async
| |-- autosuspend_delay_ms
| |-- control
| |-- runtime_active_kids
| |-- runtime_active_time
| |-- runtime_enabled
| |-- runtime_status
| |-- runtime_suspended_time
| `-- runtime_usage
|-- subsystem -> ../../../../../class/sound
`-- uevent
!!ALSA Device nodes
!!-----------------
crw-rw---- 1 root audio 116, 2 Dec 19 15:55 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 1 Dec 19 15:55 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Dec 19 15:55 /dev/snd/timer
/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root 60 Dec 19 15:55 .
drwxr-xr-x 3 root root 120 Dec 19 15:55 ..
lrwxrwxrwx 1 root root 12 Dec 19 15:55 pci-0000:00:08.0 -> ../controlC0
!!Aplay/Arecord output
!!--------------------
APLAY
**** List of PLAYBACK Hardware Devices ****
ARECORD
**** List of CAPTURE Hardware Devices ****
!!Amixer output
!!-------------
!!-------Mixer controls for card NVidia
Card hw:0 'NVidia'/'HDA NVidia at 0xd3480000 irq 21'
Mixer name : ''
Components : ''
Controls : 0
Simple ctrls : 0
!!Alsactl output
!!--------------
--startcollapse--
state.NVidia {
control {
}
}
--endcollapse--
!!All Loaded Modules
!!------------------
ahci
applesmc
aufs
autofs4
binfmt_misc
bluetooth
bnep
bpfilter
br_netfilter
bridge
btbcm
btintel
btrtl
btusb
cfg80211
coretemp
crc_itu_t
drm
ecc
ecdh_generic
firewire_core
firewire_ohci
forcedeth
hid
hid_appleir
hid_generic
hid_logitech_dj
hid_logitech_hidpp
i2c_nforce2
input_leds
input_polldev
ip6_tables
ip6t_REJECT
ip6t_rpfilter
ip6table_filter
ip6table_mangle
ip6table_nat
ip6table_raw
ip6table_security
ip_set
ip_tables
ipt_REJECT
iptable_filter
iptable_mangle
iptable_nat
iptable_raw
iptable_security
joydev
kvm
kvm_intel
libahci
libcrc32c
llc
lp
mac_hid
msr
nf_conntrack
nf_conntrack_netlink
nf_defrag_ipv4
nf_defrag_ipv6
nf_nat
nf_reject_ipv4
nf_reject_ipv6
nf_tables
nfnetlink
nft_counter
nvidia
nvidia_uvm
overlay
parport
parport_pc
pata_acpi
ppdev
rfcomm
sch_fq_codel
snd
snd_hda_codec
snd_hda_core
snd_hda_intel
snd_hwdep
snd_intel_dspcfg
snd_pcm
snd_rawmidi
snd_seq
snd_seq_device
snd_seq_midi
snd_seq_midi_event
snd_timer
soundcore
stp
usbhid
wl
x_tables
xfrm_algo
xfrm_user
xt_MASQUERADE
xt_addrtype
xt_conntrack
xt_tcpudp
!!ALSA/HDA dmesg
!!--------------
[ 0.368300] ACPI: Added _OSI(Linux-Dell-Video)
[ 0.368300] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 0.368300] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
--
[ 29.006676] PCI Interrupt Link [LAZA] enabled at IRQ 21
[ 29.006687] snd_hda_intel 0000:00:08.0: Disabling MSI
[ 29.019376] snd_hda_intel 0000:00:08.0: no codecs found!
[ 29.040902] applesmc: key=154 fan=1 temp=8 index=8 acc=0 lux=0 kbd=0
!!Packages installed
!!--------------------
ii alsa-oss 1.1.8-1 amd64 ALSA wrapper for OSS applications
ii alsa-topology-conf 1.2.2-1 all ALSA topology configuration files
ii alsa-ucm-conf 1.2.2-1ubuntu0.11 all ALSA Use Case Manager configuration files
ii alsa-utils 1.2.2-1ubuntu2.1 amd64 Utilities for configuring and using ALSA
sudo lspci -v
00:08.0 Audio device: NVIDIA Corporation MCP79 High Definition Audio (rev b1)
Subsystem: NVIDIA Corporation Apple iMac 9,1
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21
Memory at d3480000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [44] Power Management version 2
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
$ lsmod | grep snd_hda_intel
snd_hda_intel 53248 0
snd_intel_dspcfg 28672 1 snd_hda_intel
snd_hda_codec 135168 1 snd_hda_intel
snd_hda_core 90112 2 snd_hda_intel,snd_hda_codec
snd_pcm 106496 3 snd_hda_intel,snd_hda_codec,snd_hda_core
snd 90112 8 snd_seq,snd_seq_device,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_pcm,snd_rawmidi
i found this article but it even does not help. It states there may be a bug.
sherif@linux:~$ dmesg | grep snd
[ 19.429829] snd_hda_intel 0000:00:08.0: dmic_detect option is deprecated, pass snd-intel-dspcfg.dsp_driver=1 option instead
[ 19.430433] snd_hda_intel 0000:00:08.0: Disabling MSI
[ 19.434742] snd_hda_intel 0000:00:08.0: no codecs found!
[ 426.152644] snd_hda_intel 0000:00:08.0: dmic_detect option is deprecated, pass snd-intel-dspcfg.dsp_driver=1 option instead
[ 426.152907] snd_hda_intel 0000:00:08.0: Disabling MSI
[ 426.157224] snd_hda_intel 0000:00:08.0: no codecs found!
for some reason, which i still dont know, it worked after restart, may be the sound card was has a lose contact. It is unclear to me, what made it work, but i tried many things.
