Date: Thu, 9 Aug 2007 22:34:16 -0500 (CDT) From: Greg Rivers <gcr+freebsd-usb@tharned.org> To: Sven Hazejager <sven-freebsd@hazejager.nl> Cc: freebsd-usb@freebsd.org Subject: Re: How to stop attached USB device / send IRP_MN_REMOVE_DEVICE? Message-ID: <20070809222720.T950@nc8000.tharned.org> In-Reply-To: <07080923185142.-1077952816@somehost.domainz.com> References: <07080923185142.-1077952816@somehost.domainz.com>
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On Thu, 9 Aug 2007, Sven Hazejager wrote: > Is there a tool under FreeBSD 6.2 that properly stops a USB device, > equivalent to Windows XPs Safely Remove Hardware? I noticed that Windows > sends a IRP_MN_REMOVE_DEVICE command, after which my LaCie external HDD > spins down. I would like to do this under FreeBSD too. > > So, the question really is: how to send a IRP_MN_REMOVE_DEVICE command? > See camcontrol(8). `camcontrol eject` should do the trick in this case, but only if the device supports it. `camcontrol stop` works to spin down many hard drives, but in my experience is more likely to work on firewire than USB drives. -- Greg
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