Public bug reported:
Today my audio became choppy. At first I thought it was a bad audio
file, but it turned out that everything I play is choppy. Then I thought
that some process is clogging the CPU or IO, but it wasn't that either.
After some searching, I opened sound settings and found out that Line
Out audio output is rapidly disappearing and reappearing from the list.
I checked the alsamixer and same thing was happening in its window.
I tried to restart the computer, and the problem disappeared only to
come back again after a short time. I still have my old 14.04
installation, I rebooted to that and everything worked as it should.
I have never seen anything like this, I have no clue what is happening
and I have no idea what to check. dmesg output showed nothing related to
sound. Since it is very unusual, I have attached a video of what is
going on.
** Affects: ubuntu
Importance: Undecided
Status: New
** Attachment added: "Video showing what is happening"
https://bugs.launchpad.net/bugs/1813075/+attachment/5231795/+files/VID_20190123_184024.3gp
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https://bugs.launchpad.net/bugs/1813075
Title:
Line Out audio output rapidly disapears and reappears
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