forked from pool/grub2
eac2d99699
- Build platform-packages 'noarch' and move to '/usr/share/efi' for SUSE Manager. (FATE#326960) * grub2-efi-xen-chainload.patch (bsc#1122563) * grub2-efi-xen-removable.patch (refresh) OBS-URL: https://build.opensuse.org/request/show/667984 OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=321
197 lines
6.0 KiB
Diff
197 lines
6.0 KiB
Diff
From: Raymund Will <rw@suse.com>
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Subject: Use chainloader to boot xen.efi under UEFI.
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References: bnc#871857, bnc#879148
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Patch-Mainline: no
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As XEN on SLE12 is not multiboot2 ready, some very dirty hacking
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is necessary to boot via xen.efi and separate configfile snippets
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(as done in SLE11SP3 secureboot).
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To that end said configfile snippets, xen efi-binaries, kernels and initrds
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need to copied to the EFI system partition during 'grub2-mkconfig'!
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V0:
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- first, somewhat fragile version, without any sort of cleanup for ESP.
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V1:
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- add missing whitespace. (bnc879148)
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V2:
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- second, much less fragile version, using only one config file per
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XEN hypervisor version with sections for different kernels, avoiding
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useless duplicates for sym-linked hypervisors. and removing previously
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installed files from ESP.
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V3:
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- support move to '/usr/share/efi/$machine' for EFI-binaries. (bsc#1122563)
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---
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util/grub.d/20_linux_xen.in | 109 +++++++++++++++++++++++++++++++++++++++-----
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1 file changed, 97 insertions(+), 12 deletions(-)
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--- a/util/grub.d/20_linux_xen.in
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+++ b/util/grub.d/20_linux_xen.in
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@@ -21,6 +21,8 @@ prefix="@prefix@"
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exec_prefix="@exec_prefix@"
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datarootdir="@datarootdir@"
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+ME=$(basename $0)
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+
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. "$pkgdatadir/grub-mkconfig_lib"
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export TEXTDOMAIN=@PACKAGE@
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@@ -36,11 +38,23 @@ CLASS="--class gnu-linux --class gnu --c
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if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
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OS=GNU/Linux
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+ os=linux
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else
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OS="${GRUB_DISTRIBUTOR}"
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- CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"
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+ os="$(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1)"
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+ CLASS="--class ${os} ${CLASS}"
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fi
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+machine=`uname -m`
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+
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+case "$machine" in
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+ i?86) GENKERNEL_ARCH="x86" ;;
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+ mips|mips64) GENKERNEL_ARCH="mips" ;;
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+ mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;;
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+ arm*) GENKERNEL_ARCH="arm" ;;
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+ *) GENKERNEL_ARCH="$machine" ;;
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+esac
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+
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# loop-AES arranges things so that /dev/loop/X can be our root device, but
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# the initrds that Linux uses don't like that.
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case ${GRUB_DEVICE} in
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@@ -87,6 +101,32 @@ esac
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title_correction_code=
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+if [ -d /sys/firmware/efi ]; then
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+ is_efi=true
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+ err_msg=""
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+ efi_dir="/boot/efi/efi/${os}"
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+ grub_dir=/boot/@PACKAGE@
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+ xen_dir=/usr/share/efi/$machine
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+ [ -d $xen_dir ] || xen_dir=/usr/lib64/efi
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+ for d in $grub_dir $efi_dir $xen_dir; do
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+ [ ! -d "$d" ] || continue
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+ err_msg="${err_msg}$ME: Essential directory '$d' not found!\n"
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+ done
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+ if ! [ -d "$efi_dir" -a -d "$grub_dir" -a -d "$xen_dir" ]; then
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+ err_msg="${err_msg}$ME: XEN configuration skipped!\n"
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+ else
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+ rm -f $grub_dir/xen*.cfg
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+ if [ -s $efi_dir/grub.xen-files ]; then
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+ for f in $(sort $efi_dir/grub.xen-files| uniq); do
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+ rm -f $efi_dir/$f
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+ done
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+ : > $efi_dir/grub.xen-files
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+ fi
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+ fi
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+else
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+ is_efi=false
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+fi
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+
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linux_entry ()
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{
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os="$1"
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@@ -124,6 +164,40 @@ linux_entry ()
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save_default_entry | grub_add_tab | sed "s/^/$submenu_indentation/"
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fi
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+ if $is_efi; then
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+ xen_cfg=${xen_basename/.efi/.cfg}
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+ if [ "$section_count" = 0 ]; then
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+ cat <<-EOF > $grub_dir/$xen_cfg
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+ # disclaimer
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+ [global]
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+ #default=
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+ EOF
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+ fi
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+ section_count=$(expr $section_count + 1)
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+ if [ x$type != xrecovery ] ; then
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+ section="config.$section_count"
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+ else
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+ section="failsafe.$section_count"
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+ fi
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+ cat <<-EOF >> $grub_dir/$xen_cfg
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+
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+ [$section]
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+ options=${xen_args}
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+ kernel=${basename} root=${linux_root_device_thisversion} ${args}
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+ ramdisk=${initrd}
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+ EOF
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+ message="$(gettext_printf "Loading Xen %s with Linux %s ..." ${xen_version} ${version})"
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+ sed "s/^/$submenu_indentation/" <<-EOF
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+ echo '$(echo "$message" | grub_quote)'
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+ chainloader \$cmdpath/${xen_basename} ${xen_basename} $section
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+ }
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+ EOF
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+ for f in ${grub_dir}/$xen_cfg ${xen_dir}/${xen_basename} ${dirname}/${basename} ${dirname}/${initrd}; do
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+ cp --preserve=timestamps $f $efi_dir
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+ echo $(basename $f) >> $efi_dir/grub.xen-files
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+ done
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+ return
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+ fi
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if [ -z "${prepare_boot_cache}" ]; then
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prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)"
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fi
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@@ -200,16 +274,6 @@ boot_device_id=
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title_correction_code=
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-machine=`uname -m`
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-
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-case "$machine" in
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- i?86) GENKERNEL_ARCH="x86" ;;
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- mips|mips64) GENKERNEL_ARCH="mips" ;;
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- mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;;
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- arm*) GENKERNEL_ARCH="arm" ;;
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- *) GENKERNEL_ARCH="$machine" ;;
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-esac
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-
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# Extra indentation to add to menu entries in a submenu. We're not in a submenu
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# yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
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submenu_indentation=""
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@@ -223,6 +287,24 @@ while [ "x${xen_list}" != "x" ] ; do
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xen_dirname=`dirname ${current_xen}`
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rel_xen_dirname=`make_system_path_relative_to_its_root $xen_dirname`
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xen_version=`echo $xen_basename | sed -e "s,.gz$,,g;s,^xen-,,g"`
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+ xen_list=`echo $xen_list | tr ' ' '\n' | grep -vx $current_xen | tr '\n' ' '`
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+ if $is_efi; then
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+ xen_basename=${xen_basename/.gz/.efi}
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+ if ! [ -f ${xen_dir}/${xen_basename} ]; then
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+ echo "Skip missing hypervisor $xen_dir/$xen_basename" >&2
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+ continue
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+ elif [ -L ${xen_dir}/${xen_basename} ]; then
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+ xen_target=$(basename $(readlink -e ${xen_dir}/${xen_basename}))
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+ if [ -f ${efi_dir}/${xen_target} ]; then
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+ echo "Skip duplicate $xen_dir/$xen_basename for $xen_target" >&2
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+ continue
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+ fi
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+ elif [ -n "$err_msg" ]; then
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+ break
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+ fi
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+ gettext_printf "Found hypervisor: %s\n" "$current_xen" >&2
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+ section_count=0
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+ fi
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if [ -z "$boot_device_id" ]; then
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boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
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fi
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@@ -287,7 +369,6 @@ while [ "x${xen_list}" != "x" ] ; do
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if [ x"$is_top_level" != xtrue ]; then
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echo ' }'
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fi
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- xen_list=`echo $xen_list | tr ' ' '\n' | fgrep -vx "$current_xen" | tr '\n' ' '`
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done
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# If at least one kernel was found, then we need to
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@@ -297,3 +378,7 @@ if [ x"$is_top_level" != xtrue ]; then
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fi
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echo "$title_correction_code"
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+
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+if [ -n "$err_msg" ]; then
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+ echo -en "$err_msg" >&2
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+fi
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