Date: Tue, 17 Feb 2026 21:31:04 -0800 From: "Jin Guojun[VFF]" <jguojun@gmail.com> To: questions <freebsd-questions@freebsd.org> Subject: Re: USB mouse stops working after upgrading to FreeBSD 15.0 Message-ID: <3a301618-e947-4519-9250-96ce6b920ae8@gmail.com> In-Reply-To: <aa9d334a-b41f-4153-809d-d543c30141f9@gmail.com>
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> I have a Lenovo G505S laptop was running 14.3. After upgrade to 15.0, > the USB mouse stops working. > > The touchpad still works. Below are mouse related information: > > # ps uxagww | grep mouse > root 4767 0.0 0.0 14520 2824 - Is 19:45 0:00.30 > /usr/sbin/moused -p /dev/input/event7 -t evdev -I > /var/run/moused.event7.pid > root 5046 0.0 0.0 14520 2824 - Ss 19:45 0:01.25 > /usr/sbin/moused -p /dev/psm0 > > # moused -i all > /dev/input/event7 evdev mouse Compx 2.4G Receiver Mouse > /dev/input/event5 evdev touchpad ETPS/2 Elantech Touchpad > > # cat /dev/input/event7 > > we can see output to the screen (garbage code) when operating USB > mouse (click buttons or move mouse), but the cursor does not move. > > What additional configuration is required for making USB mouse to work > in 15.0-R? Rolled back to 14.3 and saw a few differences: 1) 15.0 creates 4 input devices: event6 to event9, where 14.3 creates two devices: event 6 and event 7. 2) 14.3 moused uses /dev/ums0 not /dev/input/event7 3) 14.3 moused uses "-t auto" for both touchpad and USB mouse, where 15.0 moused uses -t evdev for USB mouse, and no-type for touchpad. Will stay with 14.3 for a while then test 15.1-BETA / RC later. -Jinhome | help
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