[已解决] 所以问题在于接收器和设备之间的距离......我注意到当我把鼠标放在桌子上而不是键盘抽屉上时，错误就停止出现了，所以我使用 USB 延长线将接收器移近设备。
编辑：版本信息，是的，我使用虚拟化。我使用 QEMU 和 KVM 在具有 VFIO 直通的 VM 中运行 Windows 10。我使用 libvirt 通过 virt-manager 和 virt-viewer 来实现这一点。我在下面提供了 libvirt 的版本信息。
lsb_releases -a 的输出：
Distributor ID: Ubuntu
Description: Ubuntu 19.10
Release: 19.10
Codename: eoan
uname -a 的输出：
Linux dreadnaught 5.3.0-40-generic #32-Ubuntu SMP Fri Jan 31 20:24:34 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
dpkg -l 的输出：
ii libgovirt-common 0.3.4-3.1 all GObject-based library to access oVirt REST API (common files)
ii libgovirt2:amd64 0.3.4-3.1 amd64 GObject-based library to access oVirt REST API
ii libsys-virt-perl 5.0.0-1 amd64 Perl module providing an extension for the libvirt library
ii libvirglrenderer0:amd64 0.7.0-2 amd64 virtual GPU for KVM virtualization
ii libvirt-clients 5.4.0-0ubuntu5 amd64 Programs for the libvirt library
ii libvirt-daemon 5.4.0-0ubuntu5 amd64 Virtualization daemon
ii libvirt-daemon-driver-storage-rbd 5.4.0-0ubuntu5 amd64 Virtualization daemon RBD storage driver
ii libvirt-daemon-system 5.4.0-0ubuntu5 amd64 Libvirt daemon configuration files
ii libvirt-glib-1.0-0:amd64 2.0.0-1 amd64 libvirt GLib and GObject mapping library
ii libvirt0:amd64 5.4.0-0ubuntu5 amd64 library for interfacing with different virtualization systems
ii openvpn 2.4.7-1ubuntu2 amd64 virtual private network daemon
ii ovmf 0~20190606.20d2e5a1-2ubuntu1 all UEFI firmware for 64-bit x86 virtual machines
ii python3-libvirt 5.0.0-1 amd64 libvirt Python 3 bindings
ii qemu-kvm 1:4.0+dfsg-0ubuntu9.4 amd64 QEMU Full virtualization on x86 hardware
ii tigervnc-standalone-server 1.9.0+dfsg-3 amd64 Standalone virtual network computing server
ii virt-manager 1:2.2.1-0ubuntu2 all desktop application for managing virtual machines
ii virt-viewer 7.0-2 amd64 Displaying the graphical console of a virtual machine
ii virtinst 1:2.2.1-0ubuntu2 all Programs to create and clone virtual machines
我有一套 M705 和 K350 无线鼠标和键盘组合。鼠标和键盘时不时会跳来跳去，出现短暂断开和延迟。这个问题似乎与 journalctl -f 的输出有关：
Mar 12 16:01:34 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:01:58 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:01:59 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:02:38 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:02:47 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:02:47 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:02:48 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:02:49 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:02:53 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:02:54 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:01 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:05 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:06 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:06 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:08 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:11 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:12 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:14 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:14 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:19 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:26 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:26 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:28 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
Mar 12 16:03:28 dreadnaught kernel: logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
以下是 systemctl status bluetooth 的输出：
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: active (running) since Thu 2020-03-12 15:32:18 EDT; 45min ago
Docs: man:bluetoothd(8)
Main PID: 27763 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 4915)
Memory: 1.9M
CGroup: /system.slice/bluetooth.service
└─27763 /usr/lib/bluetooth/bluetoothd
Mar 12 15:32:18 dreadnaught systemd[1]: Starting Bluetooth service...
Mar 12 15:32:18 dreadnaught bluetoothd[27763]: Bluetooth daemon 5.50
Mar 12 15:32:18 dreadnaught systemd[1]: Started Bluetooth service.
Mar 12 15:32:18 dreadnaught bluetoothd[27763]: Starting SDP server
Mar 12 15:32:18 dreadnaught bluetoothd[27763]: Bluetooth management interface 1.14 initialized
Mar 12 15:32:18 dreadnaught bluetoothd[27763]: Endpoint registered: sender=:1.5650 path=/MediaEndpoint/A2DPSink/sbc
Mar 12 15:32:18 dreadnaught bluetoothd[27763]: Endpoint registered: sender=:1.5650 path=/MediaEndpoint/A2DPSource/sbc
与该事件相关的 dmesg 输出：
[Mar12 01:06] usb usb3-port2: Cannot enable. Maybe the USB cable is bad?
[Mar12 05:28] usb usb3-port2: Cannot enable. Maybe the USB cable is bad?
[Mar12 08:18] usb usb3-port2: Cannot enable. Maybe the USB cable is bad?
[Mar12 08:32] usb 7-2: new low-speed USB device number 81 using ohci-pci
[Mar12 15:20] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:21] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:24] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:25] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:26] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:27] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:28] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:29] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:31] rfkill: input handler enabled
[Mar12 15:32] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:33] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:39] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:40] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:41] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:43] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:44] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:45] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:47] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:48] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:49] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:50] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:51] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:52] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:53] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:54] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:55] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:56] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:57] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:58] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 15:59] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:00] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:01] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:02] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:03] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:04] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:05] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:06] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:07] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:08] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:09] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:13] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:14] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:15] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
[Mar12 16:16] logitech-hidpp-device 0003:046D:406D.0004: multiplier = 8
我尝试在互联网上搜索解决方案，但一无所获。当我试图打字时，它突然停止，然后 15 秒后又吐出所有内容，这真是太烦人了。任何帮助都将不胜感激！！！！