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The original was posted on /r/fedora by /u/unlikey on 2025-07-02 03:16:15+00:00.

I had recently been thinking (quietly to myself), "Why on earth do so many people have trouble with Fedora/Linux?! I've been running my system since F34 (if I remember correctly) and it just chugs along nicely. Now, granted, I am all AMD (and vaguely old AMD at that).

I am grateful I kept that silly thought to myself.

Tonight I decided to try connecting a Sony PS4 Controller via BT. Gnome's BT Setting would see it but not connect. I tried:

    
bluetoothctl

scan


  

Could never get it to successfully connect.

Then I found a post suggesting in the past users sometimes had to edit their bluetooth/main,conf to specify bredr as the ControllerMode value (commented out by default) - that post also very clearly stated that should not be needed anymore. I tried that and then restarted bluetooth.

Did I mention my keyboard and mouse, which I have used as long as I've been running Fedora, are also BT? The mouse stopped working. All thoughts of the Sony Controller were erased.

I spent I cannot guess how long trying to get it to connect to no avail. Thankfully, I remembered that change I made...surely a "controller" setting wouldn't screw up my mouse?!

Yes, yes it would. Once I commented that setting back out and restarted bluetooth for the umpteenth time, my glorious mouse finally connected and worked!

Lesson learned! No matter how long you've used Fedora/Linux. No matter having a Computer Science degree and working in the field for 28 years. Do not ever think yourself better than other poor souls who stumble across issues.

Apologies to any/all I may have thought intolerant thoughts about in regards to your computer issues, even if I was "polite" enough not to comment on them.

EDIT: You might find an older post where I commented similarly after wiping out my home folder foolishly trying to test tape backup software.