From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Zeuthen <david@fubar.dk>
Date: Wed, 31 Mar 2010 17:06:38 +0000
Subject: Re: System hangs when using USB 3.0 HD with on Ubuntu
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To: linux-hotplug-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: dgilbert-qazKcTl6WRFWk0Htik3J/w@public.gmane.org, Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>, Jonas Schwertfeger <jschwertfeger-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, USB Storage List <usb-storage-ijkIwGHArpdIPJnuZ7Njw4oP9KaGy4wf@public.gmane.org>, Matthew Dharm <mdharm-usb-JGfshJpz5UybPZpvUQj5UqxOck334EZe@public.gmane.org>, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Sarah Sharp <sarah.a.sharp-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, lennart-mdGvqq1h2p+GdvJs77BJ7Q@public.gmane.org

On Wed, 2010-03-31 at 12:37 -0400, David Zeuthen wrote:
> As I said above, I don't think it's ata_id that is the problem - I think
> it's udisks-probe-ata-smart, via libatasmart, that is responsible for
> submitting the SET FEATURES command:
>=20
> http://git.0pointer.de/?p=3Dlibatasmart.git;a=3Dblob;f=3Datasmart.c;h=A4b=
60c0eedf8e4f1ebafd932b7070c030459ef16;hb=3DHEAD#l2561
>=20
> when it finds out that the SMART feature is available, yet not turned
> on.

Actually, reading the source again and speaking to Lennart, I don't
think libatasmart submits a SET FEATURES command. (libatasmart might be
responsible for the 16-byte IDENTIFY command though)

Thanks,
David