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SubjectRe: Enable CONFIG_USB_SUSPEND by default or some mobile HD can't be unplugged safely
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.


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