I have same problem with my ASUS u36sd and my 500gb external hdd on elementary os freya.
It turns out that the problem only happens when my cpu runs on powersave governor, but not when my cpu runs on performance governor. I use tlp to set my cpu governor to powersave on battery an performance on ac. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1242321 Title: USB 3.0 Harddrive not recognised To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1242321/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
