import kexec-tools-2.0.24-5.el8
This commit is contained in:
CentOS Sources
Stepan Oksanichenko
parent
b73de62460
commit
92157e37f5
@ -692,6 +692,34 @@ prepare_kexec_args()
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echo $kexec_args
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}
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# prepare_kdump_kernel <kdump_kernelver>
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# This function return kdump_kernel given a kernel version.
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prepare_kdump_kernel()
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{
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local kdump_kernelver=$1
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local dir img boot_dirlist boot_imglist kdump_kernel machine_id
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read -r machine_id < /etc/machine-id
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boot_dirlist=${KDUMP_BOOTDIR:-"/boot /boot/efi /efi /"}
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boot_imglist="$KDUMP_IMG-$kdump_kernelver$KDUMP_IMG_EXT $machine_id/$kdump_kernelver/$KDUMP_IMG"
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# Use BOOT_IMAGE as reference if possible, strip the GRUB root device prefix in (hd0,gpt1) format
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boot_img="$(sed "s/^BOOT_IMAGE=\((\S*)\)\?\(\S*\) .*/\2/" /proc/cmdline)"
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if [[ "$boot_img" == *"$kdump_kernelver" ]]; then
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boot_imglist="$boot_img $boot_imglist"
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fi
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for dir in $boot_dirlist; do
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for img in $boot_imglist; do
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if [[ -f "$dir/$img" ]]; then
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kdump_kernel=$(echo "$dir/$img" | tr -s '/')
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break 2
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fi
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done
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done
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echo "$kdump_kernel"
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}
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#
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# Detect initrd and kernel location, results are stored in global enviromental variables:
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# KDUMP_BOOTDIR, KDUMP_KERNELVER, KDUMP_KERNEL, DEFAULT_INITRD, and KDUMP_INITRD
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@ -701,46 +729,49 @@ prepare_kexec_args()
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#
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prepare_kdump_bootinfo()
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{
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local boot_imglist boot_dirlist boot_initrdlist curr_kver="$(uname -r)"
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local machine_id
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local boot_initrdlist nondebug_kernelver debug_kernelver
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local default_initrd_base var_target_initrd_dir
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if [ -z "$KDUMP_KERNELVER" ]; then
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KDUMP_KERNELVER="$(uname -r)"
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if [[ -z $KDUMP_KERNELVER ]]; then
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KDUMP_KERNELVER=$(uname -r)
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nondebug_kernelver=$(sed -n -e 's/\(.*\)+debug$/\1/p' <<< "$KDUMP_KERNELVER")
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fi
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read machine_id < /etc/machine-id
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boot_dirlist=${KDUMP_BOOTDIR:-"/boot /boot/efi /efi /"}
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boot_imglist="$KDUMP_IMG-$KDUMP_KERNELVER$KDUMP_IMG_EXT $machine_id/$KDUMP_KERNELVER/$KDUMP_IMG"
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# Use BOOT_IMAGE as reference if possible, strip the GRUB root device prefix in (hd0,gpt1) format
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local boot_img="$(cat /proc/cmdline | sed "s/^BOOT_IMAGE=\((\S*)\)\?\(\S*\) .*/\2/")"
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if [ -n "$boot_img" ]; then
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boot_imglist="$boot_img $boot_imglist"
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# Use nondebug kernel if possible, because debug kernel will consume more memory and may oom.
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if [[ -n $nondebug_kernelver ]]; then
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dinfo "Trying to use $nondebug_kernelver."
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debug_kernelver=$KDUMP_KERNELVER
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KDUMP_KERNELVER=$nondebug_kernelver
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fi
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for dir in $boot_dirlist; do
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for img in $boot_imglist; do
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if [ -f "$dir/$img" ]; then
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KDUMP_KERNEL=$(echo $dir/$img | tr -s '/')
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break 2
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fi
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done
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done
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KDUMP_KERNEL=$(prepare_kdump_kernel "$KDUMP_KERNELVER")
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if ! [ -e "$KDUMP_KERNEL" ]; then
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if ! [[ -e $KDUMP_KERNEL ]]; then
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if [[ -n $debug_kernelver ]]; then
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dinfo "Fallback to using debug kernel"
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KDUMP_KERNELVER=$debug_kernelver
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KDUMP_KERNEL=$(prepare_kdump_kernel "$KDUMP_KERNELVER")
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fi
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fi
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if ! [[ -e $KDUMP_KERNEL ]]; then
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derror "Failed to detect kdump kernel location"
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return 1
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fi
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if [[ "$KDUMP_KERNEL" == *"+debug" ]]; then
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dwarn "Using debug kernel, you may need to set a larger crashkernel than the default value."
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fi
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# Set KDUMP_BOOTDIR to where kernel image is stored
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KDUMP_BOOTDIR=$(dirname $KDUMP_KERNEL)
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KDUMP_BOOTDIR=$(dirname "$KDUMP_KERNEL")
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# Default initrd should just stay aside of kernel image, try to find it in KDUMP_BOOTDIR
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boot_initrdlist="initramfs-$KDUMP_KERNELVER.img initrd"
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for initrd in $boot_initrdlist; do
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if [ -f "$KDUMP_BOOTDIR/$initrd" ]; then
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defaut_initrd_base="$initrd"
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DEFAULT_INITRD="$KDUMP_BOOTDIR/$defaut_initrd_base"
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if [[ -f "$KDUMP_BOOTDIR/$initrd" ]]; then
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default_initrd_base="$initrd"
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DEFAULT_INITRD="$KDUMP_BOOTDIR/$default_initrd_base"
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break
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fi
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done
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@ -748,16 +779,16 @@ prepare_kdump_bootinfo()
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# Create kdump initrd basename from default initrd basename
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# initramfs-5.7.9-200.fc32.x86_64.img => initramfs-5.7.9-200.fc32.x86_64kdump.img
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# initrd => initrdkdump
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if [[ -z "$defaut_initrd_base" ]]; then
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if [[ -z $default_initrd_base ]]; then
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kdump_initrd_base=initramfs-${KDUMP_KERNELVER}kdump.img
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elif [[ $defaut_initrd_base == *.* ]]; then
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kdump_initrd_base=${defaut_initrd_base%.*}kdump.${DEFAULT_INITRD##*.}
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elif [[ $default_initrd_base == *.* ]]; then
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kdump_initrd_base=${default_initrd_base%.*}kdump.${DEFAULT_INITRD##*.}
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else
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kdump_initrd_base=${defaut_initrd_base}kdump
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kdump_initrd_base=${default_initrd_base}kdump
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fi
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# Place kdump initrd in `/var/lib/kdump` if `KDUMP_BOOTDIR` not writable
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if [[ ! -w "$KDUMP_BOOTDIR" ]];then
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# Place kdump initrd in $(/var/lib/kdump) if $(KDUMP_BOOTDIR) not writable
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if [[ ! -w $KDUMP_BOOTDIR ]]; then
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var_target_initrd_dir="/var/lib/kdump"
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mkdir -p "$var_target_initrd_dir"
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KDUMP_INITRD="$var_target_initrd_dir/$kdump_initrd_base"
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@ -1,6 +1,6 @@
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Name: kexec-tools
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Version: 2.0.24
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Release: 4%{?dist}
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Release: 5%{?dist}
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License: GPLv2
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Group: Applications/System
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Summary: The kexec/kdump userspace component
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@ -393,6 +393,9 @@ done
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%endif
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%changelog
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* Mon Jul 4 2022 Pingfan Liu <piliu@redhat.com> - 2.0.24-5
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- kdump-lib: use non-debug kernels first
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* Tue Jun 21 2022 Pingfan Liu <piliu@redhat.com> - 2.0.24-4
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- kdump-lib.sh: Check the output of blkid with sed instead of eval
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