On 2021-02-28 12:06:15 (+0200), tasos tsesmetzis via arch-proaudio wrote: > Dear list members, > After upgrading to kernel 5.10.16, my sound card (HDA Intel PCH Realtek > ALC892) stopped sending output to speakers and headphones. Audio files > seemed to play. > > By downgrading to my latest kernel 5.9.10, sound output worked fine. In > both kernel versions, alsa package versions where the same. Also, the card > driver snd_hda_intel was installed. > > Could you, please, share a couple of ideas on where to search for a > solution? > Thank you Hi Tasos, are there error messages in your kernel log from that boot (`systemctl -k -b`)? Does alsamixer show the devices? Are channels maybe muted? What does `aplay -l` show on each kernel? How do you playback files? Do you use pulseaudio? If so, what does `pactl list short` show on each kernel? Do you use JACK? If so, how do you start it and is it started on the correct device? Best, David -- https://sleepmap.de
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