Date: Tue, 24 Sep 2013 13:14:33 +0400 From: Anatoly <anatoly@kazanfieldhockey.ru> To: gljennjohn@gmail.com Cc: freebsd-usb@freebsd.org Subject: Re: spin down a USB-attached disk? Message-ID: <20130924131433.5378f7c4@asd.localdomain> In-Reply-To: <20130924100153.18756271@ernst.home> References: <20130917185047.52c63e00@ernst.home> <20130924002601.00ffa265@asd.localdomain> <20130924100153.18756271@ernst.home>
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В Tue, 24 Sep 2013 10:01:53 +0200 Gary Jennejohn <gljennjohn@gmail.com> пишет: Can't test it now on latest versions of FreeBSD, will test as it will be possible, but on 5.x, 6.x and 7.x I always used like: camcontrol eject 0:0:1 to "power down" sdcard slot on card readers before physically ejecting sdcard. Don't know if it really shuts down the power to sdcard, but LED goes off, and I think this is anyway safer. So on those systems camcontrol worked trough USB stack. > On Tue, 24 Sep 2013 00:26:01 +0400 > Anatoly <anatoly@kazanfieldhockey.ru> wrote: > > > By the way, what exactly goes wrong with camcontrol? > > I answered that question once already but forgot to Cc the list. > > <quote> > I gave that a whirl but it didn't work. Seems like camcontrol isn't > able to send raw commands to the umass disk through the USB stack. > > Here's the output: > > camcontrol idle da0 -t 5 > (pass4:umass-sim0:0:0:0): IDLE. ACB: e3 00 00 00 00 40 00 00 00 00 01 > 00 (pass4:umass-sim0:0:0:0): CAM status: Function Not Available > > The disk doesn't spin down. > <\quote> >
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