Hardware or software problem ?

Hi everyone

I'm using a Pi4+Berry HD with archlinux (MPD).

Eveyrthing work fine during 1 year. Since few months, regulary (and more often every days) when I boot the Pi4, I'm unable to play anything. 

If I reboot enough time It's eventually work. 

I check the difference between when it's working and when it's not working and notice this message in the dmesg

hdmi-audio-codec hdmi-audio-codec.2.auto: ASoC: error at snd_soc_dai_startup on i2s-hifi: -19

Google find a issue in github but don't seem related. 

So I downgrade the kernel until 1.5 year ago and same issue.

I'm guessing it's some hardware problem with de DAC2HD. What do you think ?


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