The usb mouse is disconnected unusually, but it is not the cause of the slow boot.
The slow boot should be caused by slow XFS mounting, see blow: [ 2.523331] hub 1-1.4:1.0: 2 ports detected [ 58.904178] usb 1-1.2: USB disconnect, device number 4 [ 60.382105] usb 1-1.2: new low-speed USB device number 6 using ehci_hcd [ 60.481197] input: Logitech Lenovo USB Optical Mouse as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input4 [ 60.481546] generic-usb 0003:17EF:6019.0003: input,hidraw1: USB HID v1.11 Mouse [Logitech Lenovo USB Optical Mouse] on usb-0000:00:1a.0-1.2/input0 [ 84.155355] SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled [ 84.155863] SGI XFS Quota Management subsystem [ 84.183214] XFS (dm-54): Mounting Filesystem -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/960030 Title: USB device hangs on boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/960030/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
