*** This bug is a duplicate of bug 904412 ***
    https://bugs.launchpad.net/bugs/904412

Additional data point:
If I start with the card plugged in, insertion and removal of USB2.0 devices 
work fine.
If I insert a USB 3.0 device, nothing is visible in syslog.
If I insert the same USB 3.0 device in another USB2.0 port on the same machine, 
all works fine.
If I then try to insert a USB 2.0 device (that worked before) in the card, 
nothing visible in syslog anymore and drive is not accessible.
Stille works fine in another USB2.0 port
If I hot-plug or hot-remove the card, nothing is visible in syslog.

I'll try to perform some test later with another different machine and
also check for firmware update and Windows behavior.

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https://bugs.launchpad.net/bugs/1006765

Title:
  Hot plugging USB3.0 express card Not possible

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