(In reply to Takashi Iwai from comment #148)
> OK, thanks, then this might indicate that the culprit is about the subtle
> timing issue, not about the cache problem.
> 
> Just to be sure, could you try to pass bdl_pos_adj=64,64 option to
> snd-hda-intel module?

I feel dumb, I had some options inside modprobe that was fixing the
issue with -N apparently. After wiping it out and setting the above
parameter to 64,64, the issue is present regardless of the -N parameter.
I'll try to change it until I'll get the same behavior as before, or
play again with parameters until I can fix it properly?

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https://bugs.launchpad.net/bugs/1801540

Title:
  Microphone distorted sound on ALC892/1220 on AMD chipsets

Status in Linux:
  Confirmed
Status in linux package in Ubuntu:
  Won't Fix
Status in pulseaudio package in Ubuntu:
  Won't Fix

Bug description:
  Not sure if I'll report this upstream but there is definitely an issue
  with microphone recording on my desktop, this is not happening on my
  laptop which has a different codec.

  Already tried all workarounds possible, no luck. Only with my desktop
  with this particular motherboard. No issues in Windows, the sound
  recorded in there is distorted and has some static and robotic tone on
  high-pitch.

  alsa-info on the attachments

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