하드웨어 문제였습니다.
해결 되었습니다.
When you move the mouse, it sometimes stops.
At that time, an error "reset low-speed USB device number using xhci_hcd" is left in syslog.
Ubuntu is using version 18.04.
I am using USB 3.0.
Intel® Core ™ i7-8550U CPU @ 1.80GHz × 8
Intel® UHD Graphics 620 (Kabylake GT2)
GNOME 3.28.2
log message
============================================================================================
Dec 10 15:22:07 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7382.467827] usb 1-1.4: reset low-speed USB device number 24 using xhci_hcd
Dec 10 15:22:07 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7382.755519] usb 1-1.4: device descriptor read/64, error -32
Dec 10 15:22:08 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7383.151513] usb 1-1.4: device descriptor read/64, error -32
Dec 10 15:22:08 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7383.543590] usb 1-1.4: reset low-speed USB device number 24 using xhci_hcd
Dec 10 15:22:08 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7383.823540] usb 1-1.4: device descriptor read/64, error -32
Dec 10 15:22:09 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7384.211537] usb 1-1.4: device descriptor read/64, error -32
Dec 10 15:22:09 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7384.603608] usb 1-1.4: reset low-speed USB device number 24 using xhci_hcd
Dec 10 15:22:09 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7384.604502] usb 1-1.4: Device not responding to setup address.
Dec 10 15:22:09 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7384.812496] usb 1-1.4: Device not responding to setup address.
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7385.019532] usb 1-1.4: device not accepting address 24, error -71
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7385.299567] usb 1-1.4: reset low-speed USB device number 24 using xhci_hcd
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7385.300509] usb 1-1.4: Device not responding to setup address.
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7385.508527] usb 1-1.4: Device not responding to setup address.
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7385.715526] usb 1-1.4: device not accepting address 24, error -71
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7385.716799] usb 1-1.4: USB disconnect, device number 24
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) config/udev: removing device USB Optical Mouse
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (**) Option "fd" "58"
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) event9 - USB Optical Mouse: device removed
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) UnloadModule: "libinput"
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) systemd-logind: releasing fd for 13:73
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N upowerd[1901]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4/1-1.4:1.0/0003:192F:0616.000B
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N upowerd[1901]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4/1-1.4:1.0
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N upowerd[1901]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4
Dec 10 15:22:10 ys2cdh-500R5N-500R5Y-501R5N gnome-shell[2669]: g_array_unref: assertion 'array' failed
Dec 10 15:22:11 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7385.859590] usb 1-1.4: new low-speed USB device number 25 using xhci_hcd
Dec 10 15:22:11 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7385.951604] usb 1-1.4: device descriptor read/64, error -32
Dec 10 15:22:11 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7386.151562] usb 1-1.4: device descriptor read/64, error -32
Dec 10 15:22:11 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7386.351597] usb 1-1.4: new low-speed USB device number 26 using xhci_hcd
Dec 10 15:22:11 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7386.447538] usb 1-1.4: device descriptor read/64, error -32
Dec 10 15:22:11 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7386.647561] usb 1-1.4: device descriptor read/64, error -32
Dec 10 15:22:11 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7386.759735] usb 1-1-port4: attempt power cycle
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7387.387569] usb 1-1.4: new low-speed USB device number 27 using xhci_hcd
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7387.411428] usb 1-1.4: New USB device found, idVendor=192f, idProduct=0616
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7387.411430] usb 1-1.4: New USB device strings: Mfr=0, Product=2, SerialNumber=0
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7387.411432] usb 1-1.4: Product: USB Optical Mouse
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7387.414495] input: USB Optical Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4/1-1.4:1.0/0003:192F:0616.000C/input/input27
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N kernel: [ 7387.471989] hid-generic 0003:192F:0616.000C: input,hidraw2: USB HID v1.11 Mouse [USB Optical Mouse] on usb-0000:00:14.0-1.4/input0
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N mtp-probe: checking bus 1, device 27: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4"
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N mtp-probe: bus: 1, device: 27 was not an MTP device
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) config/udev: Adding input device USB Optical Mouse (/dev/input/mouse1)
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) No input driver specified, ignoring this device.
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) This device may have been added with another device file.
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) config/udev: Adding input device USB Optical Mouse (/dev/input/event9)
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (**) USB Optical Mouse: Applying InputClass "libinput pointer catchall"
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) Using input driver 'libinput' for 'USB Optical Mouse'
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N upowerd[1901]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4/1-1.4:1.0/0003:192F:0616.000C
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N upowerd[1901]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4/1-1.4:1.0
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N upowerd[1901]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) systemd-logind: got fd for /dev/input/event9 13:73 fd 72 paused 0
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (**) USB Optical Mouse: always reports core events
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (**) Option "Device" "/dev/input/event9"
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (**) Option "_source" "server/udev"
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) event9 - USB Optical Mouse: is tagged by udev as: Mouse
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) event9 - USB Optical Mouse: device is a pointer
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) event9 - USB Optical Mouse: device removed
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4/1-1.4:1.0/0003:192F:0616.000C/input/input27/event9"
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) XINPUT: Adding extended input device "USB Optical Mouse" (type: MOUSE, id 12)
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (**) Option "AccelerationScheme" "none"
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (**) USB Optical Mouse: (accel) selected scheme none/0
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (**) USB Optical Mouse: (accel) acceleration factor: 2.000
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (**) USB Optical Mouse: (accel) acceleration threshold: 4
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) event9 - USB Optical Mouse: is tagged by udev as: Mouse
Dec 10 15:22:12 ys2cdh-500R5N-500R5Y-501R5N /usr/lib/gdm3/gdm-x-session[2532]: (II) event9 - USB Optical Mouse: device is a pointer
