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Lokesh
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Joined: 01 Apr 2012
Posts: 161
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 Posted: Sat Aug 01, 2020 3:56 pm Post subject: Again and again: no sound, no config_snd_hda |
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I just re-installed the whole OS from scratch. As happened before and to many users, there is no sound.
I went through this pleasure some time ago , but this time it is different.
Needless to add that alsa is set as USE flag in my make.conf && my profile is set to the Desktop profile "plasma", which in theory (it did not) should have set the alsa USE flag. And, the user was added to the audio group.
I cannot cope with the tons of available information on this because it fails at the beginning since there are no kernel modules to configure: | Code: | grep CONFIG_SND_HDA /usr/src/linux/.config
CONFIG_SND_HDA_PREALLOC_SIZE=64 |
Previously, there where a number of kernel modules available for configuration, e.g.
CONFIG_SND_HDA; CONFIG_SND_HDA_INTEL; CONFIG_SND_HDA_CODEC_REALTEK; CONFIG_SND_HDA_I915, and so on. Where are they? | Code: | uname -r
5.4.48-gentoo |
The only information I found about my audio card is | Code: | lspci |grep -i audio
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05) |
But I only get:
| Code: | ls /proc/asound/
cards devices seq timers version
cat /proc/asound/cards
--- no soundcards --- |
Any help would be appreciated.
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halcon
l33t
Joined: 15 Dec 2019
Posts: 629
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| Posted: Sat Aug 01, 2020 5:11 pm Post subject: Re: Again and again: no sound, no config_snd_hda |
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| Lokesh wrote: | | Code: | grep CONFIG_SND_HDA /usr/src/linux/.config
CONFIG_SND_HDA_PREALLOC_SIZE=64 |
Previously, there where a number of kernel modules available for configuration, e.g.
CONFIG_SND_HDA; CONFIG_SND_HDA_INTEL; CONFIG_SND_HDA_CODEC_REALTEK; CONFIG_SND_HDA_I915, and so on. Where are they? | Code: | uname -r
5.4.48-gentoo |
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It's always more reliable to grep in the working kernel:
| Code: | # zcat /proc/config.gz | grep CONFIG_SND_HDA
CONFIG_SND_HDA=m
CONFIG_SND_HDA_INTEL=m
CONFIG_SND_HDA_HWDEP=y
CONFIG_SND_HDA_RECONFIG=y
# CONFIG_SND_HDA_INPUT_BEEP is not set
CONFIG_SND_HDA_PATCH_LOADER=y
CONFIG_SND_HDA_CODEC_REALTEK=m
CONFIG_SND_HDA_CODEC_ANALOG=m
CONFIG_SND_HDA_CODEC_SIGMATEL=m
CONFIG_SND_HDA_CODEC_VIA=m
CONFIG_SND_HDA_CODEC_HDMI=m
CONFIG_SND_HDA_CODEC_CIRRUS=m
CONFIG_SND_HDA_CODEC_CONEXANT=m
CONFIG_SND_HDA_CODEC_CA0110=m
CONFIG_SND_HDA_CODEC_CA0132=m
CONFIG_SND_HDA_CODEC_CA0132_DSP=y
CONFIG_SND_HDA_CODEC_CMEDIA=m
CONFIG_SND_HDA_CODEC_SI3054=m
CONFIG_SND_HDA_GENERIC=m
CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0
CONFIG_SND_HDA_CORE=m
CONFIG_SND_HDA_DSP_LOADER=y
CONFIG_SND_HDA_COMPONENT=y
CONFIG_SND_HDA_I915=y
CONFIG_SND_HDA_PREALLOC_SIZE=0 |
(It's for 5.6.3. You may have /proc/config, not /proc/config.gz, or no /proc/config* at all, depending on your kernel configuration, but gz seems to be a default?)
If there is the same picture in /proc/config.gz, you could run
| Code: | cd /usr/src/linux
make clean
make menuconfig |
, press "/", type CONFIG_SND_HDA_INTEL, press <Enter>, and you will see where the symbol is located in your current kernel version; I have
| Code: | Symbol: SND_HDA_INTEL [=m]
│ Type : tristate
│ Defined at sound/pci/hda/Kconfig:11
│ Prompt: HD Audio PCI
│ Depends on: SOUND [=m] && !UML && SND [=m] && SND_PCI [=y]
│ Location:
│ -> Device Drivers
│ -> Sound card support (SOUND [=m])
│ -> Advanced Linux Sound Architecture (SND [=m])
│ (1) -> HD-Audio
│ Selects: SND_HDA [=m] && SND_INTEL_DSP_CONFIG [=m] |
The Location shows where to find CONFIG_SND_HDA_INTEL, the Prompt shows how it is named.
Last edited by halcon on Sat Aug 01, 2020 5:26 pm; edited 1 time in total |
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Zucca
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Joined: 14 Jun 2007
Posts: 3343
Location: Rasi, Finland
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| Posted: Sat Aug 01, 2020 5:22 pm Post subject: |
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I use sys-kernel/gentoo-kernel-5.4.40 as my kernel on my intel based laptop.
I have these enabled: | # zgrep ^CONFIG_SND_HDA /proc/config.gz: | CONFIG_SND_HDA=m
CONFIG_SND_HDA_INTEL=m
CONFIG_SND_HDA_HWDEP=y
CONFIG_SND_HDA_RECONFIG=y
CONFIG_SND_HDA_INPUT_BEEP=y
CONFIG_SND_HDA_INPUT_BEEP_MODE=1
CONFIG_SND_HDA_PATCH_LOADER=y
CONFIG_SND_HDA_CODEC_REALTEK=m
CONFIG_SND_HDA_CODEC_ANALOG=m
CONFIG_SND_HDA_CODEC_SIGMATEL=m
CONFIG_SND_HDA_CODEC_VIA=m
CONFIG_SND_HDA_CODEC_HDMI=m
CONFIG_SND_HDA_CODEC_CIRRUS=m
CONFIG_SND_HDA_CODEC_CONEXANT=m
CONFIG_SND_HDA_CODEC_CA0110=m
CONFIG_SND_HDA_CODEC_CA0132=m
CONFIG_SND_HDA_CODEC_CA0132_DSP=y
CONFIG_SND_HDA_CODEC_CMEDIA=m
CONFIG_SND_HDA_CODEC_SI3054=m
CONFIG_SND_HDA_GENERIC=m
CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0
CONFIG_SND_HDA_CORE=m
CONFIG_SND_HDA_DSP_LOADER=y
CONFIG_SND_HDA_COMPONENT=y
CONFIG_SND_HDA_I915=y
CONFIG_SND_HDA_EXT_CORE=m
CONFIG_SND_HDA_PREALLOC_SIZE=4096 |
| snippet from lspci -k: | 00:0e.0 Audio device: Intel Corporation Device 3198 (rev 03)
DeviceName: Onboard - Sound
Subsystem: Realtek Semiconductor Co., Ltd. Device 1190
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel, snd_sof_pci |
... so it looks like you may also need to enable (or "modularize") CONFIG_SND_SOC_SOF_PCI
I hope this helps. :)
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Lokesh
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Joined: 01 Apr 2012
Posts: 161
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| Posted: Sat Aug 01, 2020 5:29 pm Post subject: |
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Thank you for your reply. It will help next time...
| Quote: | | , press "/", type CONFIG_SND_HDA_INTEL, press <Enter> |
results in | Code: | Symbol: SND_HDA_INTEL [=n] │
│ Type : tristate │
│ Prompt: HD Audio PCI │
│ Location: │
│ -> Device Drivers │
│ -> Sound card support (SOUND [=y]) │
│ -> Advanced Linux Sound Architecture (SND [=y]) │
│ (1) -> HD-Audio │
│ Defined at sound/pci/hda/Kconfig:11 │
│ Depends on: SOUND [=y] && !UML && SND [=y] && SND_PCI [=n] │
│ Selects: SND_HDA [=n] && SND_INTEL_NHLT [=n] │
│ │
│ │
│ Symbol: SND_HDA_INTEL_DETECT_DMIC [=n] │
│ Type : bool │
│ Prompt: DMIC detection and probe abort │
│ Location: │
│ -> Device Drivers │
│ -> Sound card support (SOUND [=y]) │
│ -> Advanced Linux Sound Architecture (SND [=y]) │
│ (2) -> HD-Audio │
│ -> HD Audio PCI (SND_HDA_INTEL [=n]) │
│ Defined at sound/pci/hda/Kconfig:26 │
│ Depends on: SOUND [=y] && !UML && SND [=y] && SND_HDA_INTEL [=n] |
However, the site on -> Device Drivers -> Sound card support -> Advanced Linux Sound Architecture -> HD-Audio was empty! Blank, absolutely nothing.
But, I found the reason why: "PCI sound devices (@ Advanced Linux Sound Architecture) was unmarked. Pressed the space bar to mark it, went to HD-audio --> there is now an item called "HD AUDIO PCI". Again, the item was unmarked and nothing else on this site.
I pressed the space bar again and voila, a whole list is given:
| Code: | [ ] DMIC detection and probe abort (NEW) │ │
│ │ [ ] Build hwdep interface for HD-audio driver (NEW) │ │
│ │ [ ] Allow dynamic codec reconfiguration (NEW) │ │
│ │ [ ] Support digital beep via input layer (NEW) │ │
│ │ [ ] Support initialization patch loading for HD-audio (NEW) │ │
│ │ < > Build Realtek HD-audio codec support (NEW) │ │
│ │ < > Build Analog Device HD-audio codec support (NEW) │ │
│ │ < > Build IDT/Sigmatel HD-audio codec support (NEW) │ │
│ │ < > Build VIA HD-audio codec support (NEW) │ │
│ │ < > Build HDMI/DisplayPort HD-audio codec support (NEW) │ │
│ │ < > Build Cirrus Logic codec support (NEW) │ │
│ │ < > Build Conexant HD-audio codec support (NEW) │ │
│ │ < > Build Creative CA0110-IBG codec support (NEW) │ │
│ │ < > Build Creative CA0132 codec support (NEW) │ │
│ │ < > Build C-Media HD-audio codec support (NEW) │ │
│ │ < > Build Silicon Labs 3054 HD-modem codec support (NEW) │ │
│ │ < > Enable generic HD-audio codec parser (NEW) │ │
│ │ (0) Default time-out for HD-audio power-save mode (NEW |
The one I need I believe is the Realtek HD-audio codec. I shall report back.
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dmpogo
Advocate
Joined: 02 Sep 2004
Posts: 3267
Location: Canada
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| Posted: Sat Aug 01, 2020 6:05 pm Post subject: |
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BTW
| Code: |
zcat /proc/config.gz | grep CONFIG_SND_HDA
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can be shortened to
| Code: |
zgrep CONFIG_SND_HDA /proc/config.gz
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halcon
l33t
Joined: 15 Dec 2019
Posts: 629
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| Posted: Sat Aug 01, 2020 6:31 pm Post subject: |
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| dmpogo wrote: | can be shortened to
| Code: |
zgrep CONFIG_SND_HDA /proc/config.gz
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Thanks for the suggestion. I know I just used to cat/zcat as the explicit first step. It does not harm and looks consequentially.
PS. May be it's because I use perl, I don't like much a shortened code (perl can shorten a code so that it's not difficult to forget what it is already in ten minutes, lol). |
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dmpogo
Advocate
Joined: 02 Sep 2004
Posts: 3267
Location: Canada
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| Posted: Sun Aug 02, 2020 1:30 am Post subject: |
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| halcon wrote: | | dmpogo wrote: | can be shortened to
| Code: |
zgrep CONFIG_SND_HDA /proc/config.gz
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Thanks for the suggestion. I know I just used to cat/zcat as the explicit first step. It does not harm and looks consequentially.
PS. May be it's because I use perl, I don't like much a shortened code (perl can shorten a code so that it's not difficult to forget what it is already in ten minutes, lol). |
well, zcat is a shell wrapper around gzip, while zgrep is a shell wrapper around grep. Hard to say what is more 'compact' |
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Lokesh
Apprentice
Joined: 01 Apr 2012
Posts: 161
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| Posted: Sun Aug 02, 2020 9:19 am Post subject: |
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Does not work yet! The kernel seems to be configured correctly: | Code: | grep SND_HDA /boot/config-5.4.48-gentoo
CONFIG_SND_HDA=y
CONFIG_SND_HDA_INTEL=y
# CONFIG_SND_HDA_INTEL_DETECT_DMIC is not set
# CONFIG_SND_HDA_HWDEP is not set
# CONFIG_SND_HDA_RECONFIG is not set
# CONFIG_SND_HDA_INPUT_BEEP is not set
# CONFIG_SND_HDA_PATCH_LOADER is not set
CONFIG_SND_HDA_CODEC_REALTEK=y
CONFIG_SND_HDA_CODEC_ANALOG=y
# CONFIG_SND_HDA_CODEC_SIGMATEL is not set
# CONFIG_SND_HDA_CODEC_VIA is not set
CONFIG_SND_HDA_CODEC_HDMI=y
# CONFIG_SND_HDA_CODEC_CIRRUS is not set
# CONFIG_SND_HDA_CODEC_CONEXANT is not set
# CONFIG_SND_HDA_CODEC_CA0110 is not set
# CONFIG_SND_HDA_CODEC_CA0132 is not set
# CONFIG_SND_HDA_CODEC_CMEDIA is not set
# CONFIG_SND_HDA_CODEC_SI3054 is not set
CONFIG_SND_HDA_GENERIC=y
CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0
CONFIG_SND_HDA_CORE=y
CONFIG_SND_HDA_COMPONENT=y
CONFIG_SND_HDA_I915=y
CONFIG_SND_HDA_PREALLOC_SIZE=64
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but | Code: | lsmod
Module Size Used by
x86_pkg_temp_thermal 20480 0
efivarfs 16384 1
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Nothing loaded.  A fresh install and such basic things not working, it is annoying. | Code: | sudo modprobe SND_HDA_INTEL
modprobe: FATAL: Module SND_HDA_INTEL not found in directory /lib/modules/5.4.48-gentoo |
I am at my wit's ends.
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krinn
Watchman
Joined: 02 May 2003
Posts: 7470
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| Posted: Sun Aug 02, 2020 9:54 am Post subject: |
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| Lokesh wrote: | | Does not work yet! The kernel seems to be configured correctly |
it only warrant you have install a kernel using that configuration
it doesn't warrant you didn't just forget to install the modules built for that kernel, if it's that, the good news is that it just mean you need to cd /usr/src/linux-5.4.48-gentoo && make modules_install |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54236
Location: 56N 3W
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| Posted: Sun Aug 02, 2020 9:57 am Post subject: |
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Lokesh,
is built into the kernel binary. It will not appear as a module.
I suspect you are building one kernel and running another, maybe you forgot to mount /boot for the kernel install, or its a new version and you didn't update grub.cfg, oc you updated grub.cfg but the kernel you want is not the default ...
Anyway, what does tell?
I get | Code: | $ uname -a
Linux NeddySeagoon_Static 5.7.4-gentoo #1 SMP PREEMPT Tue Jun 23 13:43:54 BST 2020 x86_64 AMD Phenom(tm) II X6 1090T Processor AuthenticAMD GNU/Linux |
The date and time is the build date and time of the running kernel. Does it show what you expected?
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NeddySeagoon
Computer users fall into two groups:-
those that do backups
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krinn
Watchman
Joined: 02 May 2003
Posts: 7470
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| Posted: Sun Aug 02, 2020 10:05 am Post subject: |
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I also love the #value (number of time kernel has been built), no idea why i always fail to check date/time
| NeddySeagoon wrote: | | Linux NeddySeagoon_Static 5.7.4-gentoo #1 ... |
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Lokesh
Apprentice
Joined: 01 Apr 2012
Posts: 161
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| Posted: Sun Aug 02, 2020 10:43 am Post subject: |
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| NeddySeagoon wrote: | | I suspect you are building one kernel and running another, maybe you forgot to mount /boot for the kernel install, or its a new version and you didn't update grub.cfg, oc you updated grub.cfg but the kernel you want is not the default ... |
I checked it: | Code: | uname -a
Linux localhost 5.4.48-gentoo #7 SMP Sun Aug 2 11:42:16 CEST 2020 x86_64 Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz GenuineIntel GNU/Linux
ls -l /usr/src/
total 8
lrwxrwxrwx 1 root root 19 Aug 2 11:21 linux -> linux-5.4.48-gentoo
drwxr-xr-x 25 root root 4096 Aug 2 10:09 linux-5.4.38-gentoo
drwxr-xr-x 25 root root 4096 Aug 2 11:42 linux-5.4.48-gentoo
ls /boot/
System.map-5.4.48-gentoo efi vmlinuz-5.4.48-gentoo
config-5.4.48-gentoo grub
sudo eselect kernel list
Available kernel symlink targets:
[1] linux-5.4.38-gentoo
[2] linux-5.4.48-gentoo * |
Couple of complete shut-offs and starts, nothing
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Lokesh
Apprentice
Joined: 01 Apr 2012
Posts: 161
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| Posted: Sun Aug 02, 2020 10:48 am Post subject: |
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| NeddySeagoon wrote: |
is built into the kernel binary. It will not appear as a module. |
These should appear: | Code: | grep SND_HDA /boot/config-5.4.48-gentoo |grep m
CONFIG_SND_HDA_CODEC_REALTEK=m
CONFIG_SND_HDA_CODEC_ANALOG=m
CONFIG_SND_HDA_CODEC_HDMI=m
CONFIG_SND_HDA_GENERIC=m
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But the don't.
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Last edited by Lokesh on Sun Aug 02, 2020 12:20 pm; edited 1 time in total |
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halcon
l33t
Joined: 15 Dec 2019
Posts: 629
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| Posted: Sun Aug 02, 2020 10:57 am Post subject: |
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| dmpogo wrote: | | well, zcat is a shell wrapper around gzip, while zgrep is a shell wrapper around grep. Hard to say what is more 'compact' |
As they say, "offtopic on"...
Good catch, but I meant not comparing what is more compact, but just a consequence of actions... That pipe from zcat is like opening file (1), then grep like doing work (2). Closing file (3) not needed here Just a matter of habit. When grepping with -r, sure, I use grep as the first command |
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krinn
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Joined: 02 May 2003
Posts: 7470
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| Posted: Sun Aug 02, 2020 10:58 am Post subject: |
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| Lokesh wrote: | | I checked it |
And you have double checked it? efi kernel is in /boot/efi, not in /boot ... |
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halcon
l33t
Joined: 15 Dec 2019
Posts: 629
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| Posted: Sun Aug 02, 2020 11:10 am Post subject: |
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| Lokesh wrote: | | Code: | | grep SND_HDA /boot/config-5.4.48-gentoo |grep m |
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What output do you get for this?
If you get /proc/config.gz, a gzip compressed data, you could zgrep it instead of files in /boot:
| Code: | | zgrep SND_HDA /proc/config.gz |grep m |
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krinn
Watchman
Joined: 02 May 2003
Posts: 7470
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| Posted: Sun Aug 02, 2020 11:21 am Post subject: |
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| halcon wrote: | What output do you get for this?
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only if it was set as Y in kernel, it cannot be this easy 
| Code: | LC_ALL=c ls /proc/config*
ls: cannot access '/proc/config*': No such file or directory
modprobe configs
LC_ALL=c ls /proc/config*
/proc/config.gz
zgrep IKCONFIG /proc/config.gz
CONFIG_IKCONFIG=m
CONFIG_IKCONFIG_PROC=y
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ps: if you want find the module name, try https://forums.gentoo.org/viewtopic-t-1101178-highlight-module.html |
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Lokesh
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Joined: 01 Apr 2012
Posts: 161
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| Posted: Sun Aug 02, 2020 12:22 pm Post subject: |
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| krinn wrote: | | Lokesh wrote: | | I checked it |
And you have double checked it? efi kernel is in /boot/efi, not in /boot ... |
What do you mean? The kernel files are under boot, efi stub kernel in my view NOT in charge of anything else but to get the system starting
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Lokesh
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Posts: 161
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| Posted: Sun Aug 02, 2020 12:29 pm Post subject: |
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obsolete reply
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Last edited by Lokesh on Sun Aug 02, 2020 1:03 pm; edited 1 time in total |
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Lokesh
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Posts: 161
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| Posted: Sun Aug 02, 2020 12:46 pm Post subject: |
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[quote="krinn"] | Code: | modprobe configs
LC_ALL=c ls /proc/config*
/proc/config.gz
zgrep IKCONFIG /proc/config.gz
CONFIG_IKCONFIG=m
CONFIG_IKCONFIG_PROC=y
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I went back to the kernel configuration searched for "IKCONFIG", went to it and activated the two items exactly as listed by krinn.
Compiled and installed the newly configured kernel, rebooted. | Code: | modprobe configs
LC_ALL=c ls /proc/config*
/proc/config.gz |
How do I make loading configs at boot? Putting it into /etc/modprobe.d/ directory? And what is the next step, the sound modules still aren't there (a newbie question probably...)
A naive attempt... | Code: | modprobe configs
modprobe SND_HDA_INTEL
modprobe: FATAL: Module SND_HDA_INTEL not found in directory /lib/modules/5.4.48-gentoo |
Considering Neddy Seagoon's comment, this may be expected, but
| Code: | modprobe SND_HDA_CODEC_REALTEK
modprobe: FATAL: Module SND_HDA_CODEC_REALTEK not found in directory /lib/modules/5.4.48-gentoo |
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Lokesh
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Joined: 01 Apr 2012
Posts: 161
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| Posted: Sun Aug 02, 2020 1:12 pm Post subject: |
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No /etc/modules-load.d/ directory. The kernel wiki sounds like it should be there.
What a mess 
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halcon
l33t
Joined: 15 Dec 2019
Posts: 629
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| Posted: Sun Aug 02, 2020 1:33 pm Post subject: |
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| Lokesh wrote: | | How do I make loading configs at boot? Putting it into /etc/modprobe.d/ directory? |
No. When booting a kernel compiled with CONFIG_IKCONFIG_PROC, the file /proc/config.gz will "appear automatically" and will show with which .config the running kernel was compiled - very useful! |
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Lokesh
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Joined: 01 Apr 2012
Posts: 161
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| Posted: Sun Aug 02, 2020 2:00 pm Post subject: |
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| halcon wrote: | | Lokesh wrote: | | How do I make loading configs at boot? Putting it into /etc/modprobe.d/ directory? |
No. When booting a kernel compiled with CONFIG_IKCONFIG_PROC, the file /proc/config.gz will "appear automatically" and will show with which .config the running kernel was compiled - very useful! |
Not in my case. After shutdown and start:
| Code: | sudo grep CONFIG_IKCONFIG /boot/config-5.4.48-gentoo
CONFIG_IKCONFIG=m
CONFIG_IKCONFIG_PROC=y
LC_ALL=c ls /proc/config*
ls: cannot access '/proc/config*': No such file or directory |
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fturco
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Joined: 08 Dec 2010
Posts: 1181
Location: Italy
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| Posted: Sun Aug 02, 2020 2:12 pm Post subject: |
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If you use OpenRC you can add the following line to /etc/conf.d/modules:
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halcon
l33t
Joined: 15 Dec 2019
Posts: 629
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| Posted: Sun Aug 02, 2020 2:13 pm Post subject: |
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I have
| Code: | CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y |
and /proc/config.gz is always in place. No need to check if the module is loaded. |
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Multimedia
