@ David Runge: Useful links. Many thanks for your time! Best regards Tasos Στις Δευ, 1 Μαρ 2021, 11:47 ο χρήστης David Runge <dave@xxxxxxxxxxx> έγραψε: > 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 > > -- > https://sleepmap.de >