On 2021-02-28 21:00:52 (+0200), tasos tsesmetzis wrote:
> @David Runge: Many thanks for your reply.
>
> Kernel log messages include no errors in v5.10.16. On the other hand there
> are no muted output channels in alsamixer. Also, the correct device is
> selected.
>
> The output of 'aplay -l' is identical in both kernel versions. To playback
> files, aplay and audacity where used. JACK is started either with the
> default device ('jackd -d alsa'), or by selecting hw:0 ('jackd -d alsa -d
> hw:0') but with no success.
That is odd. Maybe a regression in the alsa modules.
You could try getting some more information out of the alsa upstream
(e.g. [1] or [2]).
Other than that: I hope to upgrade the kernel to > 5.11 soon. Maybe
that will fix your issues. You may of course also try linux-rt-lts.
Best,
David
[1] https://alsa-project.org/wiki/Mailing-lists
[2] https://github.com/alsa-project/alsa-lib
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