Ubuntu
linux package

  1. Xenial (16.04)
  2. Bug #792085
  3. Comment #157

Comment 157 for bug 792085

Revision history for this message
In , Jean-Christophe (jean-christophe-redhat-bugs) wrote :

Description of problem:

When ejecting a drive, from the GUI (Gnome, XFCE, ...) or using udiskctl, I believe udev is responsible of spinning it down.

Some disks spins down but spins up again immediately, forcing the user to do a hot unplug.

How reproducible:

Steps to Reproduce:
1. Plug in an external USB disk
2. Then eject it or do type udisksctl power-off -b /dev/sdx

Actual results:

Some disk models would spin back up, while others will properly shutdown.

Expected results:

All disks should spin down.

Additional info:

All my disks are USB 3.
I have 2 Toshiba external hard drive (500 Mo and 1 To) that do spin down correctly.
I have 1 Seagate Slim hard drive of 500 Mo that also shuts down correctly.

But, another Seagate Slim drive of 1To does spin back up.

Also, strangely, all of these disks do spin back up when they are plugged and ejected from behind an USB 3 hub.