Probably duplicate of:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1321421
Try workaround command and mark duplicate if it works.
echo "options snd-hda-intel vid=8086 pid=8ca0 snoop=0" | sudo tee
/etc/modprobe.d/fix-sound-intel97.conf
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1341898
Title:
[MS-7920, Realtek ALC1150, Red Line Out, Rear] Underruns, dropouts or
crackling sound
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