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[Bug 1242321] Re: USB 3.0 Harddrive not recognised

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Mohamad Putra Maghribi <1242321@xxxxxxxxxxxxxxxxxx>
Date: Wed, 18 Feb 2015 02:16:51 -0000
Reply-to: Bug 1242321 <1242321@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Update: 
The problem only happens when my laptop runs on battery. No problem when it runs on ac. Nothing to do with cpu governor or tlp. And it's only happens on external hard disk, no problem with flash disk.

elementary OS Freya
3.13.0-45-generic

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https://bugs.launchpad.net/bugs/1242321

Title:
  USB 3.0 Harddrive not recognised

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu is not recognising any device plugged into any USB 3.0 ports.
  Sometimes Ubuntu will freeze for a few seconds when you plug something
  into a USB 3.0 port; when Ubuntu comes out of the freeze, the device
  is still NOT recognised.

  No problems with USB 2.0 ports and devices.

  The USB 3.0 on this computer only works in Windows 7 (I'm dual booting
  Ubuntu 13.10 and Windows 7, both are 64-bit).

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