Upstream has provided a fix:
Author: Mathias Nyman <mathias.ny...@linux.intel.com>
Date: Mon Aug 29 14:45:17 2016 +0300
usb: hub: Fix auto-remount of safely removed or ejected USB-3 devices
USB-3 does not have any link state that will avoid negotiating a connection
with a plugged-in cable but will signal the host when the cable is
For USB-3 we used to first set the link to Disabled, then to RxDdetect to
be able to detect cable connects or disconnects. But in RxDetect the
device is detected again and eventually enabled.
Instead set the link into U3 and disable remote wakeups for the device.
This is what Windows does, and what Alan Stern suggested.
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Safely remove is not working (or broken) in Gnome Disks
Status in GNOME Disks:
Status in udisks:
Status in gnome-disk-utility package in Ubuntu:
Status in gnome-disk-utility package in Fedora:
Status in gnome-disk-utility package in openSUSE:
Status in oem-workaround-xhci-quirk-dkms package in openSUSE:
In 12.04 I was able to safely remove USB-stick (make its LED off) and USB-HDD
(do a spin down).
In 13.04 this option is missed.
In 13.10 it is appeared again, but not working as expected:
+ Gnome Disks normally powers off the USB flash (tested on 4 different
flashes and 2 USB cardreaders).
- Gnome Disks does not spin down USB HDD (but udisks --detach does)
DistroRelease: Ubuntu 13.10
Package: gnome-disk-utility 3.8.2-1ubuntu2
ProcVersionSignature: Ubuntu 3.10.0-1.8-generic 3.10.0-rc7
Uname: Linux 3.10.0-1-generic i686
Date: Sat Oct 12 13:39:21 2013
InstallationDate: Installed on 2013-03-06 (219 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha i386 (20130306)
UpgradeStatus: Upgraded to saucy on 2013-06-23 (110 days ago)
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