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.
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.