Thanks, so that confirms that the only fix needed is:

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Hi, I had issues with sound since rc1. I just rebuild alsa-{lib,oss,plugins,utils} to fix it.

After seeing the same problem, I tried simple reinstallation of alsa & pulseaudio but that didn't work for me. Downgrading to pulseaudio-14.2 partially worked but not enough to declare victory (won't go into the boring details now), so I changed back to kernel 5.13.8 (still with pulseaudio-14.2) where everything worked as previously (including a minor niggle of a USB device always labelled as "Unavailable" yet worked if selected). Still on kernel 5.13.8, I upgraded to pulseaudio-15.0 and everything stayed good so rebooted to 5.13.11 and everything has remained good. In the end, with kernel & pulseaudio back to what they were when I first lost all my audio output devices, now everything is working - actually better because the USB device is no longer "Unavailable". Whacky!

BTW great resource at https://slackware.uk/cumulative/slac...nt/slackware64 for going back to previous kernel & software versions. Thanks Darren.

chris

After reading this thread with no sound I decided to drop out of Plasma to the CLI, su -'d to root, then ran 'slackpkg upgrade alsa' (probably overkill but no harm), Ctrl-d'd out, typed startx <Enter>. I am typing this with sound now A-OK.

Hello there

I had a similar problem, and can confirm it is libasound related. Reinstalling alsa-lib fixes sound and fixes alsamixer too.

I have this problem, posted in a different thread. My problem started after the upgrades of August 16. I build my own kernel, am on 5.13.11, so it doesn't seem to be a kernel problem for me.

At first the only controls alsa saw were for Master and Capture, which meant I had no software control over volume. On the advice of others in that thread I re-installed the alsa packages, then pulse and pamixer, finally every package. alsactl init still reports an error but it has all the controls. pavucontrol and pamixer don't see the standard audio, only the HDMI (which I don't use); I don't use them, so it's no skin off my nose, but may be a useful bit of information.

As a veteran of such an outrage due to a flaw in alsa-lib which lost track of the HDMI audio, I went directly to get the previous version of alsa-lib and alsa-utils.

https://slackware.uk/cumulative/slac...5-x86_64-1.txz
https://slackware.uk/cumulative/slac...5-x86_64-3.txz

Upgradepkg, reboot, HDMI audio works again. The next major release usually works, just not the minor releases.

[Disclaimer: AMD APU: A6-9225 with Radeon R4 gpu. It still runs, sort of.]

As mentioned above, internal sound and bluetooth headset wasn't affected on my machine. Discovered today that HDMI was, but reinstalling alsa-lib did the trick.

Internal speakers, headphones and a dedicated sound card were all OK, but I just now had a chance to check HDMI sound on my laptop. No-go, but everything was fine after reinstalling alsa-lib and rebooting.

Thanks everyone for the hints!

Reinstalling alsa-lib didn't do it for me (worse in fact: I had speakers but no mic or hdmi, after reinstalling alsa-lib I lost the speakers!) but reinstalling alsa-* and pulseaudio-* got everything back to normal.

Cheers!

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Right, I guess the safest then is: Can't hurt anyway!

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Should be fixed now:

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I brought This up here
The update broke the links to alsa.
slackpkg reinstall alsa fixes this issue.

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BTW, does anybody know whatever happened to module-gsettings.so?

According to the screenshot, Plasma might need it.

It was part of pulseaudio 14.x but it's gone in 15.x

Attached Thumbnails

 

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My computer shut itself off last night, sometime after midnight, before 5 AM, while I slept. When I re-booted the audio problems returned, but fixed themselves after a little while.