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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1528140

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1528140

Title:
  USB hub stops working after upgrade

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  My laptop is a Dell XPS 13 with Ubuntu 14.04. I use an Inateck USB 3.0 hub with 3 ports and a gigabit ethernet port.
  It worked fine until the upgrade of last week (Thursday 17th December).

  Now the mouse and keyboard do not work anymore when plugged in the usb
  hub. However, when plugged directly in an usb port of the laptop they
  work fine. The ethernet port on the hub still works.

  I just did an upgrade again today in the hope the problem would be solved but it isn't.
  This is my current version: Ubuntu 3.13.0-74.118-generic 3.13.11-ckt30

  Here are a few lines from dmesg, with USB3 related stuff. When I
  executed the command, my Logitech mouse and keyboard were connected -
  but not working. LAN was disconnected when I ran the command.

  [  380.612889] usb 3-1: USB disconnect, device number 2
  [  380.612899] usb 3-1.1: USB disconnect, device number 3
  [  380.613018] usb 3-1.1: Failed to set U1 timeout to 0x0,error code -19
  [  380.613026] usb 3-1.1: Failed to set U1 timeout to 0xff,error code -19
  [  380.613031] usb 3-1.1: Failed to set U2 timeout to 0xff,error code -19
  [  380.613122] ax88179_178a 3-1.1:1.0 eth1: unregister 'ax88179_178a' usb-0000:00:14.0-1.1, ASIX AX88179 USB 3.0 Gigabit Ethernet
  [  380.648657] usb 3-1.1: Failed to set U1 timeout to 0x0,error code -19
  [  380.648676] usb 3-1.1: Failed to set U1 timeout to 0x29,error code -19
  [  380.648680] usb 3-1.1: Failed to set U2 timeout to 0x28,error code -19
  [  463.884120] usb 3-1: new SuperSpeed USB device number 4 using xhci_hcd
  [  464.139316] usb 3-1: New USB device found, idVendor=2109, idProduct=0812
  [  464.139326] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
  [  464.139331] usb 3-1: Product: USB3.0 Hub             
  [  464.139335] usb 3-1: Manufacturer: VIA Labs, Inc.         
  [  464.141383] hub 3-1:1.0: USB hub found
  [  464.512608] usb 3-1.1: new SuperSpeed USB device number 5 using xhci_hcd
  [  464.535497] usb 3-1.1: New USB device found, idVendor=0b95, idProduct=1790
  [  464.535504] usb 3-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
  [  464.535509] usb 3-1.1: Product: AX88179
  [  464.535512] usb 3-1.1: Manufacturer: ASIX Elec. Corp.
  [  464.535515] usb 3-1.1: SerialNumber: 000000000005C2
  [  464.860924] ax88179_178a 3-1.1:1.0 eth0: register 'ax88179_178a' at usb-0000:00:14.0-1.1, ASIX AX88179 USB 3.0 Gigabit Ethernet, 00:23:56:4c:07:28

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