not use the (crappy) monitor sound outputs) Extra information : - indeed i was bypassing the iGPU (also activated at BIOS level) to some VM - by the way, i also had the "intel_iommu=on" parameter at kernel level - latest dmesg from today (for reference / just in case) : https://gist.github.com/SR-G/ef22e46e96bfb300c3689cf8ea073098#file-dmesg-6-10-16-log - current "cat /proc/asounc/pcm" is back to : 00-00: ALC1220 Analog : ALC1220 Analog : playback 1 : capture 1 00-01: ALC1220 Digital : ALC1220 Digital : playback 1 00-02: ALC1220 Alt Analog : ALC1220 Alt Analog : capture 1 01-03: HDMI 0 : HDMI 0 : playback 1 01-07: HDMI 1 : HDMI 1 : playback 1 01-08: HDMI 2 : HDMI 2 : playback 1 01-09: HDMI 3 : HDMI 3 : playback 1 So a big thank you for your analysis and for having taken the time to investigate into this ! -- Serge.S/PDIF not detected anymore / regression on recent kernel 6.7 ?Serge SIMON undefinedAlexander Tsoy undefined undefined undefined undefined undefined undefined