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Date:      Sat, 9 Jun 2012 08:41:30 +0000 (UTC)
From:      Alexander Motin <mav@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org
Subject:   svn commit: r236799 - stable/8/sys/cam
Message-ID:  <201206090841.q598fUnj018395@svn.freebsd.org>

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Author: mav
Date: Sat Jun  9 08:41:30 2012
New Revision: 236799
URL: http://svn.freebsd.org/changeset/base/236799

Log:
  MFC r219241 (by mjacob):
  Don't automatically send a START UNIT to sequential access devices --
  this might cause them to load the tape unintentionally.

Modified:
  stable/8/sys/cam/cam_periph.c
Directory Properties:
  stable/8/sys/   (props changed)

Modified: stable/8/sys/cam/cam_periph.c
==============================================================================
--- stable/8/sys/cam/cam_periph.c	Sat Jun  9 08:25:39 2012	(r236798)
+++ stable/8/sys/cam/cam_periph.c	Sat Jun  9 08:41:30 2012	(r236799)
@@ -1539,6 +1539,15 @@ camperiphscsisenseerror(union ccb *ccb, 
 		case SS_START:
 		{
 			int le;
+			if (SID_TYPE(&cgd.inq_data) == T_SEQUENTIAL) {
+				xpt_free_ccb(orig_ccb);
+				ccb->ccb_h.status |= CAM_DEV_QFRZN;
+				*action_string = "Will not autostart a "
+				    "sequential access device";
+				err_action = SS_FAIL;
+				error = EIO;
+				break;
+			}
 
 			/*
 			 * Send a start unit command to the device, and



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