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Date:      Tue, 5 Jan 2016 03:20:46 +0000 (UTC)
From:      Glen Barber <gjb@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r293188 - in head/release: amd64 arm64 i386 powerpc
Message-ID:  <201601050320.u053KkrA052592@repo.freebsd.org>

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Author: gjb
Date: Tue Jan  5 03:20:45 2016
New Revision: 293188
URL: https://svnweb.freebsd.org/changeset/base/293188

Log:
  Prevent memstick installation medium from attempting to mount
  the root filesystem read-write.  This causes problems booting
  the memstick installation medium from write-protected USB flash
  drives.
  
  Submitted by:	A.J. Kehoe IV [1], Oliver Jones [2]
  PR:		187161 [1], 205886 [2]
  MFC after:	1 week
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/release/amd64/make-memstick.sh
  head/release/arm64/make-memstick.sh
  head/release/i386/make-memstick.sh
  head/release/powerpc/make-memstick.sh

Modified: head/release/amd64/make-memstick.sh
==============================================================================
--- head/release/amd64/make-memstick.sh	Tue Jan  5 02:21:57 2016	(r293187)
+++ head/release/amd64/make-memstick.sh	Tue Jan  5 03:20:45 2016	(r293188)
@@ -29,12 +29,14 @@ if [ -e ${2} ]; then
 fi
 
 echo '/dev/ufs/FreeBSD_Install / ufs ro,noatime 1 1' > ${1}/etc/fstab
+echo 'root_rw_mount="NO"' > ${1}/etc/rc.conf.local
 makefs -B little -o label=FreeBSD_Install ${2}.part ${1}
 if [ $? -ne 0 ]; then
 	echo "makefs failed"
 	exit 1
 fi
 rm ${1}/etc/fstab
+rm ${1}/etc/rc.conf.local
 
 mkimg -s gpt -b ${1}/boot/pmbr -p efi:=${1}/boot/boot1.efifat -p freebsd-boot:=${1}/boot/gptboot -p freebsd-ufs:=${2}.part -p freebsd-swap::1M -o ${2}
 rm ${2}.part

Modified: head/release/arm64/make-memstick.sh
==============================================================================
--- head/release/arm64/make-memstick.sh	Tue Jan  5 02:21:57 2016	(r293187)
+++ head/release/arm64/make-memstick.sh	Tue Jan  5 03:20:45 2016	(r293188)
@@ -29,12 +29,14 @@ if [ -e ${2} ]; then
 fi
 
 echo '/dev/ufs/FreeBSD_Install / ufs ro,noatime 1 1' > ${1}/etc/fstab
+echo 'root_rw_mount="NO"' > ${1}/etc/rc.conf.local
 makefs -B little -o label=FreeBSD_Install ${2}.part ${1}
 if [ $? -ne 0 ]; then
 	echo "makefs failed"
 	exit 1
 fi
 rm ${1}/etc/fstab
+rm ${1}/etc/rc.conf.local
 
 mkimg -s mbr -p efi:=${1}/boot/boot1.efifat -p freebsd:=${2}.part -o ${2}
 rm ${2}.part

Modified: head/release/i386/make-memstick.sh
==============================================================================
--- head/release/i386/make-memstick.sh	Tue Jan  5 02:21:57 2016	(r293187)
+++ head/release/i386/make-memstick.sh	Tue Jan  5 03:20:45 2016	(r293188)
@@ -29,12 +29,14 @@ if [ -e ${2} ]; then
 fi
 
 echo '/dev/ufs/FreeBSD_Install / ufs ro,noatime 1 1' > ${1}/etc/fstab
+echo 'root_rw_mount="NO"' > ${1}/etc/rc.conf.local
 makefs -B little -o label=FreeBSD_Install ${2}.part ${1}
 if [ $? -ne 0 ]; then
 	echo "makefs failed"
 	exit 1
 fi
 rm ${1}/etc/fstab
+rm ${1}/etc/rc.conf.local
 
 mkimg -s gpt -b ${1}/boot/pmbr -p freebsd-boot:=${1}/boot/gptboot -p freebsd-ufs:=${2}.part -p freebsd-swap::1M -o ${2}
 rm ${2}.part

Modified: head/release/powerpc/make-memstick.sh
==============================================================================
--- head/release/powerpc/make-memstick.sh	Tue Jan  5 02:21:57 2016	(r293187)
+++ head/release/powerpc/make-memstick.sh	Tue Jan  5 03:20:45 2016	(r293188)
@@ -33,6 +33,7 @@ if [ -e ${2} ]; then
 fi
 
 echo '/dev/da0s3 / ufs ro,noatime 1 1' > ${1}/etc/fstab
+echo 'root_rw_mount="NO"' > ${1}/etc/rc.conf.local
 rm -f ${tempfile}
 makefs -B big ${tempfile} ${1}
 if [ $? -ne 0 ]; then
@@ -40,6 +41,7 @@ if [ $? -ne 0 ]; then
   exit 1
 fi
 rm ${1}/etc/fstab
+rm ${1}/etc/rc.conf.local
 
 mkimg -s apm -p freebsd-boot:=${1}/boot/boot1.hfs -p freebsd-ufs/FreeBSD_Install:=${tempfile} -o ${2}
 



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