Public bug reported:
After upgrading from Ubuntu 24.10 to 25.04 my Logitech MX Keys keyboard
and MX Anywhere mouse need to be re-paired after the laptop is
suspended. My headphones and phone do not. I am using the built-in
Bluetooth interface of a Dell Latitude 7280.
The Logitech devices seem to increment their MAC addresses whenever they
reconnect as a privacy feature. This did not cause a problem with
previous Ubuntu releases. They get "(random)" appended in the results of
a bluetoothctl info.
I'm running bluez 5.79-2ubuntu1 and kernel 6.14.0-15-generic with
default Bluetooth settings.
Device [omitted]:D3 (random)
Name: MX Anywhere 3
Alias: MX Anywhere 3
Appearance: 0x03c2 (962)
Icon: input-mouse
Paired: yes
Bonded: yes
Trusted: yes
Blocked: no
Connected: yes
WakeAllowed: yes
LegacyPairing: no
UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
UUID: Device Information (0000180a-0000-1000-8000-00805f9b34fb)
UUID: Battery Service (0000180f-0000-1000-8000-00805f9b34fb)
UUID: Human Interface Device (00001812-0000-1000-8000-00805f9b34fb)
UUID: Vendor specific (00010000-0000-1000-8000-011f2000046d)
Modalias: usb:v046DpB025d0014
AdvertisingFlags:
05 .
Battery Percentage: 0x3c (60)
After a suspend/resume, this device is now [omitted]:D4, then
[omitted]:D5 etc.
I have checked that Experimental and KernelExperimental are false in
/etc/bluetooth/main.conf (and tried setting them to true - no
difference).
These devices have worked fine for the last 4 years on all previous
releases since 20.10.
** Affects: bluez (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2113469
Title:
Logitech MX Anywhere and MX Keys need to re-pair after suspend after
upgrading to 25.04
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