Update to this. After replacing the kernel files from a kernel tarball, the issue had been solved after reboot. However, after rebooting again, the issue has returned. [ 1.486732] usb usb2: Product: EHCI Host Controller [ 1.486734] usb usb2: Manufacturer: Linux 3.8.0-27-generic ehci_hcd [ 1.486735] usb usb2: SerialNumber: 0000:00:13.2 [ 1.487069] hub 2-0:1.0: USB hub found [ 1.487077] hub 2-0:1.0: 5 ports detected [ 1.487296] ehci-platform: EHCI generic platform driver [ 1.487306] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 1.487396] ohci_hcd 0000:00:12.0: OHCI Host Controller [ 1.487401] ohci_hcd 0000:00:12.0: new USB bus registered, assigned bus number 3 [ 1.487432] ohci_hcd 0000:00:12.0: irq 18, io mem 0xf044f000 [ 1.546676] usb usb3: New USB device found, idVendor=1d6b, idProduct=0001 [ 1.546682] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1.546684] usb usb3: Product: OHCI Host Controller [ 1.546686] usb usb3: Manufacturer: Linux 3.8.0-27-generic ohci_hcd [ 1.546687] usb usb3: SerialNumber: 0000:00:12.0 [ 1.547015] hub 3-0:1.0: USB hub found [ 1.547024] hub 3-0:1.0: 5 ports detected [ 1.547246] ohci_hcd 0000:00:13.0: OHCI Host Controller [ 1.547252] ohci_hcd 0000:00:13.0: new USB bus registered, assigned bus number 4 [ 1.547270] ohci_hcd 0000:00:13.0: irq 18, io mem 0xf044d000 [ 1.606658] usb usb4: New USB device found, idVendor=1d6b, idProduct=0001 [ 1.606663] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1.606666] usb usb4: Product: OHCI Host Controller [ 1.606667] usb usb4: Manufacturer: Linux 3.8.0-27-generic ohci_hcd [ 1.606669] usb usb4: SerialNumber: 0000:00:13.0 [ 1.606994] hub 4-0:1.0: USB hub found [ 1.607003] hub 4-0:1.0: 5 ports detected [ 1.607199] uhci_hcd: USB Universal Host Controller Interface driver [ 1.607302] xhci_hcd 0000:00:10.0: xHCI Host Controller [ 1.607308] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 5 [ 1.607558] xhci_hcd 0000:00:10.0: irq 41 for MSI/MSI-X [ 1.607564] xhci_hcd 0000:00:10.0: irq 42 for MSI/MSI-X [ 1.607570] xhci_hcd 0000:00:10.0: irq 43 for MSI/MSI-X [ 1.607575] xhci_hcd 0000:00:10.0: irq 44 for MSI/MSI-X [ 1.607581] xhci_hcd 0000:00:10.0: irq 45 for MSI/MSI-X [ 1.607671] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002 [ 1.607673] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1.607675] usb usb5: Product: xHCI Host Controller [ 1.607677] usb usb5: Manufacturer: Linux 3.8.0-27-generic xhci_hcd [ 1.607678] usb usb5: SerialNumber: 0000:00:10.0 [ 1.607909] xHCI xhci_add_endpoint called for root hub [ 1.607912] xHCI xhci_check_bandwidth called for root hub [ 1.607938] hub 5-0:1.0: USB hub found [ 1.607991] hub 5-0:1.0: 2 ports detected [ 1.608139] xhci_hcd 0000:00:10.0: xHCI Host Controller [ 1.608143] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 6 [ 1.610915] usb usb6: New USB device found, idVendor=1d6b, idProduct=0003 [ 1.610917] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1.610919] usb usb6: Product: xHCI Host Controller [ 1.610920] usb usb6: Manufacturer: Linux 3.8.0-27-generic xhci_hcd [ 1.610922] usb usb6: SerialNumber: 0000:00:10.0 [ 1.611165] xHCI xhci_add_endpoint called for root hub [ 1.611169] xHCI xhci_check_bandwidth called for root hub [ 1.611197] hub 6-0:1.0: USB hub found [ 1.611251] hub 6-0:1.0: 2 ports detected [ 1.611582] xhci_hcd 0000:00:10.1: xHCI Host Controller [ 1.611603] xhci_hcd 0000:00:10.1: new USB bus registered, assigned bus number 7 [ 1.611858] xhci_hcd 0000:00:10.1: irq 46 for MSI/MSI-X [ 1.611864] xhci_hcd 0000:00:10.1: irq 47 for MSI/MSI-X [ 1.611870] xhci_hcd 0000:00:10.1: irq 48 for MSI/MSI-X [ 1.611876] xhci_hcd 0000:00:10.1: irq 49 for MSI/MSI-X [ 1.611881] xhci_hcd 0000:00:10.1: irq 50 for MSI/MSI-X [ 1.611986] usb usb7: New USB device found, idVendor=1d6b, idProduct=0002 [ 1.611988] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1.611990] usb usb7: Product: xHCI Host Controller [ 1.611992] usb usb7: Manufacturer: Linux 3.8.0-27-generic xhci_hcd [ 1.611993] usb usb7: SerialNumber: 0000:00:10.1 [ 1.612236] xHCI xhci_add_endpoint called for root hub [ 1.612241] xHCI xhci_check_bandwidth called for root hub [ 1.612269] hub 7-0:1.0: USB hub found [ 1.612322] hub 7-0:1.0: 2 ports detected [ 1.612470] xhci_hcd 0000:00:10.1: xHCI Host Controller [ 1.612475] xhci_hcd 0000:00:10.1: new USB bus registered, assigned bus number 8 [ 1.615219] usb usb8: New USB device found, idVendor=1d6b, idProduct=0003 [ 1.615221] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1.615223] usb usb8: Product: xHCI Host Controller [ 1.615225] usb usb8: Manufacturer: Linux 3.8.0-27-generic xhci_hcd [ 1.615226] usb usb8: SerialNumber: 0000:00:10.1 [ 1.615467] xHCI xhci_add_endpoint called for root hub [ 1.615471] xHCI xhci_check_bandwidth called for root hub [ 1.615501] hub 8-0:1.0: USB hub found [ 1.615555] hub 8-0:1.0: 2 ports detected [ 1.615849] i8042: PNP: PS/2 Controller [PNP0303:KBC0,PNP0f13:PS2M] at 0x60,0x64 irq 1,12 [ 1.622891] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 1.622899] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 1.623089] mousedev: PS/2 mouse device common for all mice [ 1.623418] rtc_cmos 00:04: RTC can wake from S4 [ 1.623558] rtc_cmos 00:04: rtc core: registered rtc_cmos as rtc0 [ 1.623582] rtc0: alarms up to one month, 114 bytes nvram, hpet irqs [ 1.623667] device-mapper: uevent: version 1.0.3 [ 1.623773] device-mapper: ioctl: 4.23.1-ioctl (2012-12-18) initialised: