misc/155925: CD tray is not locked even if using /dev/adc0.

[KOIE Hidetaka ( 鯉江英隆＠数理技研 )]

The following reply was made to PR misc/155925; it has been noted by GNATS.

From: KOIE Hidetaka (=?iso-2022-jp?B?GyRCOHE5PjFRTjQhdz90TX01OzgmGyhC?=)
 <koie at suri.co.jp>
To: jh at FreeBSD.org
Cc: arundel at freebsd.org, bug-followup at FreeBSD.org
Subject: Re: misc/155925: CD tray is not locked even if using /dev/adc0.
Date: Mon, 28 Mar 2011 11:05:33 +0900 (JST)

   Message-Id: <20110326171054.GA1528 at a91-153-123-205.elisa-laajakaista..
   Date:       Sat, 26 Mar 2011 19:10:55 +0200
   From:       Jaakko Heinonen <jh at FreeBSD.org>
   Subject:    Re: misc/155925: CD tray is not locked even if using /de..
 
   | On 2011-03-25, Alexander Best wrote:
   | >  this issue is not limited to acd. using cdcontrol -f /dev/cd gives the same
   | >  behavior.
   | 
   | I think this is because cdcontrol(1) first issues the CDIOCALLOW ioctl
   | to unlock the tray. Does this patch fix your problem?
   | 
   | 	http://www.saunalahti.fi/~jh3/patches/cdcontrol-no-CDIOCALLOW.diff
   | 
   | I am inclined to think that the behavior is intentional.
   | 
   | -- 
   | Jaakko
 
 I apply this patch and try:
 % /usr/obj/usr/src/usr.sbin/cdcontrol/cdcontrol eject
 cdcontrol: Input/output error
 
 ok, buk pushing the eject button still ejects a tray...
 
 --
 KOIE Hidetaka / koie at suri.co.jp / SURIGIKEN Co.,LTD.