The kernel of Linux version 3.10.0-862.el7.x86_64 which didn't find issues. From the below log of "usb 1-1: Product: Keyboard Hub", it seems ubuntu new hwe kernel can't detected and support this usb hub of the keybaord. The full log about usb 1-1 are below: usb 1-1: new high-speed USB device number 2 using xhci_hcd usb 1-1: New USB device found, idVendor=05ac, idProduct=1006 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: Keyboard Hub usb 1-1: Manufacturer: Apple, Inc. usb 1-1: SerialNumber: 000000000000 kernel: hub 1-1:1.0: USB hub found ----------------------------------------------------------------- full log for a reboot crycle via grep usb messages Feb 17 19:54:41 192-168-129-24 kernel: ACPI: bus type USB registered Feb 17 19:54:41 192-168-129-24 kernel: usbcore: registered new interface driver usbfs Feb 17 19:54:41 192-168-129-24 kernel: usbcore: registered new interface driver hub Feb 17 19:54:41 192-168-129-24 kernel: usbcore: registered new device driver usb Feb 17 19:54:41 192-168-129-24 kernel: ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver Feb 17 19:54:41 192-168-129-24 kernel: ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver Feb 17 19:54:41 192-168-129-24 kernel: uhci_hcd: USB Universal Host Controller Interface driver Feb 17 19:54:41 192-168-129-24 kernel: xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 Feb 17 19:54:41 192-168-129-24 kernel: usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 Feb 17 19:54:41 192-168-129-24 kernel: usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 Feb 17 19:54:41 192-168-129-24 kernel: usb usb1: Product: xHCI Host Controller Feb 17 19:54:41 192-168-129-24 kernel: usb usb1: Manufacturer: Linux 3.10.0-862.el7.x86_64 xhci-hcd Feb 17 19:54:41 192-168-129-24 kernel: usb usb1: SerialNumber: 0000:00:14.0 Feb 17 19:54:41 192-168-129-24 kernel: hub 1-0:1.0: USB hub found Feb 17 19:54:41 192-168-129-24 kernel: xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 Feb 17 19:54:41 192-168-129-24 kernel: usb usb2: New USB device found, idVendor=1d6b, idProduct=0003 Feb 17 19:54:41 192-168-129-24 kernel: usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 Feb 17 19:54:41 192-168-129-24 kernel: usb usb2: Product: xHCI Host Controller Feb 17 19:54:41 192-168-129-24 kernel: usb usb2: Manufacturer: Linux 3.10.0-862.el7.x86_64 xhci-hcd Feb 17 19:54:41 192-168-129-24 kernel: usb usb2: SerialNumber: 0000:00:14.0 Feb 17 19:54:41 192-168-129-24 kernel: hub 2-0:1.0: USB hub found Feb 17 19:54:41 192-168-129-24 kernel: usb: port power management may be unreliable Feb 17 19:54:41 192-168-129-24 kernel: usbcore: registered new interface driver usbserial Feb 17 19:54:41 192-168-129-24 kernel: usbcore: registered new interface driver usbserial_generic Feb 17 19:54:41 192-168-129-24 kernel: usbserial: USB Serial support registered for generic Feb 17 19:54:41 192-168-129-24 kernel: usbcore: registered new interface driver usbhid Feb 17 19:54:41 192-168-129-24 kernel: usbhid: USB HID core driver Feb 17 19:54:41 192-168-129-24 kernel: usb 1-1: new high-speed USB device number 2 using xhci_hcd Feb 17 19:54:41 192-168-129-24 kernel: usb 1-1: New USB device found, idVendor=05ac, idProduct=1006 Feb 17 19:54:41 192-168-129-24 kernel: usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Feb 17 19:54:41 192-168-129-24 kernel: usb 1-1: Product: Keyboard Hub Feb 17 19:54:41 192-168-129-24 kernel: usb 1-1: Manufacturer: Apple, Inc. Feb 17 19:54:41 192-168-129-24 kernel: usb 1-1: SerialNumber: 000000000000 Feb 17 19:54:41 192-168-129-24 kernel: hub 1-1:1.0: USB hub found Feb 17 19:54:42 192-168-129-24 kernel: usb 1-2: new low-speed USB device number 3 using xhci_hcd Feb 17 19:54:42 192-168-129-24 kernel: usb 1-2: New USB device found, idVendor=046d, idProduct=c31c Feb 17 19:54:42 192-168-129-24 kernel: usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Feb 17 19:54:42 192-168-129-24 kernel: usb 1-2: Product: USB Keyboard Feb 17 19:54:42 192-168-129-24 kernel: usb 1-2: Manufacturer: Logitech Feb 17 19:54:42 192-168-129-24 kernel: input: Logitech USB Keyboard as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/input/input1 Feb 17 19:54:42 192-168-129-24 kernel: usb 1-1.2: new low-speed USB device number 4 using xhci_hcd Feb 17 19:54:42 192-168-129-24 kernel: hid-generic 0003:046D:C31C.0001: input,hidraw0: USB HID v1.10 Keyboard [Logitech USB Keyboard] on usb-0000:00:14.0-2/input0 Feb 17 19:54:42 192-168-129-24 kernel: input: Logitech USB Keyboard as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.1/input/input2 Feb 17 19:54:42 192-168-129-24 kernel: hid-generic 0003:046D:C31C.0002: input,hidraw1: USB HID v1.10 Device [Logitech USB Keyboard] on usb-0000:00:14.0-2/input1 Feb 17 19:54:42 192-168-129-24 kernel: usb 1-1.2: New USB device found, idVendor=05ac, idProduct=0220 Feb 17 19:54:42 192-168-129-24 kernel: usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Feb 17 19:54:42 192-168-129-24 kernel: usb 1-1.2: Product: Apple Keyboard Feb 17 19:54:42 192-168-129-24 kernel: usb 1-1.2: Manufacturer: Apple, Inc Feb 17 19:54:42 192-168-129-24 kernel: input: Apple, Inc Apple Keyboard as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input3 Feb 17 19:54:42 192-168-129-24 kernel: apple 0003:05AC:0220.0003: input,hidraw2: USB HID v1.11 Keyboard [Apple, Inc Apple Keyboard] on usb-0000:00:14.0-1.2/input0 Feb 17 19:54:42 192-168-129-24 kernel: input: Apple, Inc Apple Keyboard as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.2/1-1.2:1.1/input/input4 Feb 17 19:54:42 192-168-129-24 kernel: apple 0003:05AC:0220.0004: input,hidraw3: USB HID v1.11 Device [Apple, Inc Apple Keyboard] on usb-0000:00:14.0-1.2/input1 Feb 17 11:54:51 192-168-129-24 mtp-probe: checking bus 1, device 3: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-2" Feb 17 11:54:51 192-168-129-24 mtp-probe: checking bus 1, device 4: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.2"