[Bug 1456338] [NEW] USB floppy drive is running without floppy

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When I connect USB floppy drive (Gembird) without floppy under Ubuntu, the drive engine seems to be running (the floppy drive LED is on and the drive is sounding). The same behaviour takes place if I connect the drive with a floppy and then remove the floppy. It seems that the system accesses the drive permanently when there is no floppy. Under Windows XP it works normally - when there is no floppy, the LED and engine are switched off. I have tried Ubuntu 14.10 (amd64) with upstart, LXQt and KDE 5; Ubuntu 15.04 with systemd, LXQt - the same behaviour.
If I boot using bash as init (init=/bin/bash) and connect the floppy drive after boot, the engine is off (the normal behaviour).
lsof /dev/sdb during engine running outputs nothing.

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment floppy hardware usb
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USB floppy drive is running without floppy
https://bugs.launchpad.net/bugs/1456338
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