I'm on Ubuntu 12.04 LTS i686 and this error still occurs sometimes with Logitech unifying device
[ 31.440058] usb 1-4: device descriptor read/64, error -110 [ 31.656051] usb 1-4: new high-speed USB device number 3 using ehci_hcd [ 46.768047] usb 1-4: device descriptor read/64, error -110 [ 61.984038] usb 1-4: device descriptor read/64, error -110 [ 62.200038] usb 1-4: new high-speed USB device number 4 using ehci_hcd [ 72.608032] usb 1-4: device not accepting address 4, error -110 [ 72.720038] usb 1-4: new high-speed USB device number 5 using ehci_hcd [ 83.128047] usb 1-4: device not accepting address 5, error -110 [ 83.128070] hub 1-0:1.0: unable to enumerate USB device on port 4 [ 83.504035] usb 4-2: new full-speed USB device number 2 using uhci_hcd [ 88.504069] uhci_hcd 0000:00:1a.1: Unlink after no-IRQ? Controller is probably using the wrong IRQ. [ 98.616042] usb 4-2: device descriptor read/64, error -110 [ 113.832045] usb 4-2: device descriptor read/64, error -110 [ 114.048048] usb 4-2: new full-speed USB device number 3 using uhci_hcd [ 129.168042] usb 4-2: device descriptor read/64, error -110 [ 144.384045] usb 4-2: device descriptor read/64, error -110 [ 144.600038] usb 4-2: new full-speed USB device number 4 using uhci_hcd [ 155.008031] usb 4-2: device not accepting address 4, error -110 [ 155.120030] usb 4-2: new full-speed USB device number 5 using uhci_hcd [ 165.528034] usb 4-2: device not accepting address 5, error -110 [ 165.528061] hub 4-0:1.0: unable to enumerate USB device on port 2 [ 165.768030] usb 8-1: new full-speed USB device number 2 using uhci_hcd [ 166.032616] usbcore: registered new interface driver usbhid [ 166.032621] usbhid: USB HID core driver [ 166.053559] logitech-djreceiver 0003:046D:C52B.0003: hiddev0,hidraw0: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:1d.2-1/input2 [ 166.058747] input: Logitech Unifying Device. Wireless PID:101b as /devices/pci0000:00/0000:00:1d.2/usb8/8-1/8-1:1.2/0003:046D:C52B.0003/input/input13 [ 166.058985] logitech-djdevice 0003:046D:C52B.0004: input,hidraw1: USB HID v1.11 Mouse [Logitech Unifying Device. Wireless PID:101b] on usb-0000:00:1d.2-1: -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/433438 Title: device descriptor read/64, error -110 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/433438/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs