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From: Tino Keitel <tino.keitel@gmx.de>
To: Alan Stern <stern@rowland.harvard.edu>,
	gregkh@suse.de, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: Enable CONFIG_USB_SUSPEND by default or some mobile HD can't be unplugged safely
Date: Fri, 2 Jan 2009 15:08:45 +0100	[thread overview]
Message-ID: <20090102140845.GA25400@dose.home.local> (raw)
In-Reply-To: <20090102140023.GC4833@thyme.bj.intel.com>

On Fri, Jan 02, 2009 at 22:00:23 +0800, Yan Li wrote:
> On Fri, Jan 02, 2009 at 10:56:43AM +0100, Tino Keitel wrote:
> > With a WD My Passport drive (2,5"), I need to use sg_start --stop --pc=3
> > to stop the disk before unplugging it. Maybe this works with your
> > drive, too.  This is also required by some Firewire hard disks.  Maybe
> > the eject command should be extended to use this method, as it is used
> > also by HAL to eject hotplug devices.
> 
> Hum...  I grepped my hal and hal-info packages but haven't found any
> scripts using `sg_*'. I'm using hal package 0.5.11-6 from Debian
> testing.

HAL uses /usr/bin/eject, which doesn't set the power condition (as
sg_start --pc=X does).  So eject (and HAL) doesn't work with disks that
require to set the power condition.

Just try sg_start --stop --pc=3 /dev/sdX to see if it works for you.

Regards,
Tino

  reply	other threads:[~2009-01-02 14:09 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-01 16:03 Enable CONFIG_USB_SUSPEND by default or some mobile HD can't be unplugged safely Yan Li
2009-01-01 16:07 ` [PATCH] enable CONFIG_USB_SUSPEND by default Yan Li
2009-01-01 17:29 ` Enable CONFIG_USB_SUSPEND by default or some mobile HD can't be unplugged safely Alan Stern
2009-01-02 13:23   ` Yan Li
2009-01-01 17:32 ` Alexander E. Patrakov
2009-01-01 17:45   ` Alan Stern
2009-01-02 13:37   ` Yan Li
2009-01-02 13:46     ` Alexander E. Patrakov
2009-01-01 19:09 ` Robert Hancock
2009-01-02  9:56 ` Tino Keitel
2009-01-02 14:00   ` Yan Li
2009-01-02 14:08     ` Tino Keitel [this message]
2009-01-02 14:28     ` Yan Li
2009-01-02 16:04     ` Alan Stern
2009-01-03  2:33       ` Yan Li
2009-01-02 15:50   ` Mark Lord
2009-01-02 15:51     ` Mark Lord
2009-01-02 18:15       ` Tino Keitel
2009-01-03  2:24         ` Yan Li

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