Disconnecting an USB3 device from xhci-port isn't detected properly

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After updating from 3.7.2 to 3.7.6 disconnecting a USB3 device from a 
xhci-port isn't detected properly anymore. After removing a 32GB stick 
the only line in syslog i can see is:
sdc: detected capacity change from 31625052160 to 0
/dev/sdc is still there.
Reconnecting the device results in "usb 3-1: USB disconnect, device number 2"
immediatly followed by the normal slew of "new device found" messages.

I tested the usb-stick on an ehci-port and there is worked normaly.

I'm quite sure i read a similar bug-report a little while ago on LKML, 
is this bug already known and on the way to be fixed (in 3.7.7)?


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B and H Foto and Electronics Corp.

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