2-3 second audio delay and crackling over HDMI

On my 3090, sometimes the audio to my HDMI monitor will be 2-3 seconds delayed and will sometimes have significant audio crackling. Sometimes “pulseaudio -k” will fix it but usually not.

This happens with both my Samsung UN40JU6700 and my Samsung UN49KS8000.

nvidia-bug-report.log.gz (494.5 KB)

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The very same happens for my RTX3070 Ti in combination with an ASUS PA248QV monitor. My system is:

  • Ubuntu 20.04.3 LTS
  • Driver: nvidia-driver-470

Has there been a fix yet?

Please check for a bios update, if that doesn’t help, try enabling msi for the snd_hda_intel driver which handles the nvidia audio device.