Score:0

How to find cause of hardware connect/disconnect sound?

ht flag
csd

At random points during the day, I will hear the system sound that indicates that hardware has disconnected. Then after a second or two, I will hear the hardware connected sound.

It happens when I am not actively doing anything other than typing on the keyboard. It also happens sometimes when I am just passively listening to meetings.

How can I debug what caused that sound to occur?

I use Ubuntu 22.04.1 LTS and Gnome 42.5.

user535733 avatar
cn flag
Start with your logs: Review /var/log/syslog
Score:0
ht flag
csd

As suggested in a comment by user535733, as soon as I heard it happen again, I went and looked in /var/log/syslog and discovered the culprit.

I also came across the gnome-logs tool that shows system logs in a spiffy UI. This tool made it easy to go back and see the other times it had happened.

(In my case, the problem appears to be a DVD burner that does not support low power modes. When the OS tries to power it down, there is an error.)

I sit in a Tesla and translated this thread with Ai:

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