this post was submitted on 20 Oct 2025
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Mouse keeps disconnecting and reconnecting, non stop. (It's fine) (lemmy.world)
submitted 1 month ago* (last edited 1 month ago) by Potatar@lemmy.world to c/linux@lemmy.world
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Whenenver I try to use my mouse without a dongle (direct connection through bluetooth), I get the situation in the picture.

I'd like to give you more information but there isn't a pattern. It happens in the middle of using it. It happens when I don't move for a while, then suddenly move my mouse. It happens if I was using the scroll wheel for a while and started moving the mouse again. It has no learnable pattern.

The mouse works perfectly if I use the dongle. Mouse worked (probably still works) perfectly in Windows. I'm on Linux Mint (Zara)

I tried what little (4 threads) information I could find about this topic so I'm here.

Any solutions?

Edit: Thank you everyone but the solution to the problem is bigger than the problem. I thought it would be an easy solution but I need this USB slot once every 3 months, I can live with that :D

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[–] HelloRoot@lemy.lol 3 points 1 month ago (2 children)

anything interesting in dmesg when it happens?

[–] Potatar@lemmy.world 2 points 1 month ago

I'll try to see it when the storm comes again. It's in a state of false stability right now (last disconnect was 17 minutes ago).

[–] Potatar@lemmy.world 2 points 1 month ago* (last edited 1 month ago) (1 children)

*input: dmesg | grep 2S

*Output: (I added the newlines so it's readable)

[ 2.568547] input: Logitech MX Master 2S as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:046D:C52B.0003/0003:046D:4069.0008/input/input33

[ 2.568995] logitech-hidpp-device 0003:046D:4069.0008: input,hidraw5: USB HID v1.11 Keyboard [Logitech MX Master 2S] on usb-0000:00:14.0-1/input2:5

[ 202.881695] input: Logitech Wireless Mouse MX Master 2S as /devices/virtual/misc/uhid/0005:046D:B019.0009/input/input48

[ 202.881817] logitech-hidpp-device 0005:046D:B019.0009: input,hidraw0: BLUETOOTH HID v0.06 Keyboard [Logitech Wireless Mouse MX Master 2S] on d8:f2:ca:3a:c1:21

[ 232.730318] input: Logitech Wireless Mouse MX Master 2S as /devices/virtual/misc/uhid/0005:046D:B019.000A/input/input49

[ 232.730700] logitech-hidpp-device 0005:046D:B019.000A: input,hidraw0: BLUETOOTH HID v0.06 Keyboard [Logitech Wireless Mouse MX Master 2S] on d8:f2:ca:3a:c1:21

[ 394.477025] input: Logitech Wireless Mouse MX Master 2S as /devices/virtual/misc/uhid/0005:046D:B019.000B/input/input50

[ 394.477342] logitech-hidpp-device 0005:046D:B019.000B: input,hidraw0: BLUETOOTH HID v0.06 Keyboard [Logitech Wireless Mouse MX Master 2S] on d8:f2:ca:3a:c1:21

[ 646.971287] input: Logitech Wireless Mouse MX Master 2S as /devices/virtual/misc/uhid/0005:046D:B019.000C/input/input51

[ 646.971547] logitech-hidpp-device 0005:046D:B019.000C: input,hidraw0: BLUETOOTH HID v0.06 Keyboard [Logitech Wireless Mouse MX Master 2S] on d8:f2:ca:3a:c1:21

[ 850.024756] input: Logitech Wireless Mouse MX Master 2S as /devices/virtual/misc/uhid/0005:046D:B019.000D/input/input52

[ 850.024869] logitech-hidpp-device 0005:046D:B019.000D: input,hidraw0: BLUETOOTH HID v0.06 Keyboard [Logitech Wireless Mouse MX Master 2S] on d8:f2:ca:3a:c1:21

[ 2995.630008] input: Logitech Wireless Mouse MX Master 2S as /devices/virtual/misc/uhid/0005:046D:B019.000E/input/input53

[ 2995.630281] logitech-hidpp-device 0005:046D:B019.000E: input,hidraw0: BLUETOOTH HID v0.06 Keyboard [Logitech Wireless Mouse MX Master 2S] on d8:f2:ca:3a:c1:21

[ 3028.884497] input: Logitech Wireless Mouse MX Master 2S as /devices/virtual/misc/uhid/0005:046D:B019.000F/input/input54

[ 3028.884820] logitech-hidpp-device 0005:046D:B019.000F: input,hidraw0: BLUETOOTH HID v0.06 Keyboard [Logitech Wireless Mouse MX Master 2S] on d8:f2:ca:3a:c1:21

[–] HelloRoot@lemy.lol 1 points 1 month ago

Is it correct that you included the connection with the dongle at the top of the dmesg? Did you unplug the dongle after that?

One other mention I found online for logitech bluetooth devices is to disable ERTM for bluetooth.