import CS kexec-tools-2.0.26-14.el8
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@ -49,11 +49,6 @@ early_kdump_load()
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EARLY_KEXEC_ARGS=$(prepare_kexec_args "${KEXEC_ARGS}")
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if is_secure_boot_enforced; then
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dinfo "Secure Boot is enabled. Using kexec file based syscall."
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EARLY_KEXEC_ARGS="$EARLY_KEXEC_ARGS -s"
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fi
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# Here, only output the messages, but do not save these messages
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# to a file because the target disk may not be mounted yet, the
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# earlykdump is too early.
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@ -363,6 +363,14 @@ _get_nic_driver() {
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ethtool -i "$1" | sed -n -E "s/driver: (.*)/\1/p"
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}
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_get_hpyerv_physical_driver() {
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local _physical_nic
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_physical_nic=$(find /sys/class/net/"$1"/ -name 'lower_*' | sed -En "s/\/.*lower_(.*)/\1/p")
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[[ -n $_physical_nic ]] || return
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_get_nic_driver "$_physical_nic"
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}
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kdump_install_nic_driver() {
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local _netif _driver _drivers
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@ -382,6 +390,11 @@ kdump_install_nic_driver() {
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elif [[ $_driver == "team" ]]; then
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# install the team mode drivers like team_mode_roundrobin.ko as well
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_driver='=drivers/net/team'
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elif [[ $_driver == "hv_netvsc" ]]; then
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# A Hyper-V VM may have accelerated networking
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# https://learn.microsoft.com/en-us/azure/virtual-network/accelerated-networking-overview
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# Install the driver of physical NIC as well
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_drivers+=("$(_get_hpyerv_physical_driver "$_netif")")
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fi
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_drivers+=("$_driver")
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@ -1127,6 +1140,15 @@ install() {
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's/\(^[[:space:]]*reserved_memory[[:space:]]*=\)[[:space:]]*[[:digit:]]*/\1 1024/' \
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${initdir}/etc/lvm/lvm.conf &>/dev/null
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# Skip initrd-cleanup.service and initrd-parse-etc.service becasue we don't
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# need to switch root. Instead of removing them, we use ConditionPathExists
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# to check if /proc/vmcore exists to determine if we are in kdump.
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sed -i '/\[Unit\]/a ConditionPathExists=!\/proc\/vmcore' \
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"${initdir}/${systemdsystemunitdir}/initrd-cleanup.service" &> /dev/null
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sed -i '/\[Unit\]/a ConditionPathExists=!\/proc\/vmcore' \
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"${initdir}/${systemdsystemunitdir}/initrd-parse-etc.service" &> /dev/null
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# Save more memory by dropping switch root capability
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dracut_no_switch_root
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}
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@ -529,11 +529,24 @@ get_dracut_args_target()
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echo $1 | grep "\-\-mount" | sed "s/.*--mount .\(.*\)/\1/" | cut -d' ' -f1
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}
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get_reserved_mem_size()
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{
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local reserved_mem_size=0
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if is_fadump_capable; then
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reserved_mem_size=$(< /sys/kernel/fadump/mem_reserved)
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else
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reserved_mem_size=$(< /sys/kernel/kexec_crash_size)
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fi
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echo "$reserved_mem_size"
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}
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check_crash_mem_reserved()
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{
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local mem_reserved
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mem_reserved=$(cat /sys/kernel/kexec_crash_size)
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mem_reserved=$(get_reserved_mem_size)
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if [ $mem_reserved -eq 0 ]; then
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derror "No memory reserved for crash kernel"
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return 1
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@ -700,6 +713,15 @@ prepare_kexec_args()
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fi
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fi
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fi
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# For secureboot enabled machines, use new kexec file based syscall.
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# Old syscall will always fail as it does not have capability to do
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# kernel signature verification.
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if is_secure_boot_enforced; then
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dinfo "Secure Boot is enabled. Using kexec file based syscall."
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kexec_args="$kexec_args -s"
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fi
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echo $kexec_args
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}
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@ -538,28 +538,22 @@ check_fs_modified()
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check_system_modified()
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{
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local ret
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local CONF_ERROR=2
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local CONF_MODIFY=1
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local CONF_NO_MODIFY=0
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local conf_status=$CONF_NO_MODIFY
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[[ -f $TARGET_INITRD ]] || return 1
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check_files_modified
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for _func in check_files_modified check_fs_modified check_drivers_modified; do
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$_func
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ret=$?
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if [ $ret -ne 0 ]; then
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return $ret
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fi
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# return immediately if an error occurred.
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[[ $ret -eq "$CONF_ERROR" ]] && return "$ret"
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[[ $ret -eq "$CONF_MODIFY" ]] && { conf_status="$CONF_MODIFY"; }
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done
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check_fs_modified
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ret=$?
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if [ $ret -ne 0 ]; then
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return $ret
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fi
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check_drivers_modified
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ret=$?
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if [ $ret -ne 0 ]; then
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return $ret
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fi
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return 0
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return $conf_status
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}
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check_rebuild()
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@ -653,20 +647,7 @@ function load_kdump_kernel_key()
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return
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fi
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KDUMP_KEY_ID=$(cat /usr/share/doc/kernel-keys/$KDUMP_KERNELVER/kernel-signing-ppc.cer |
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keyctl padd asymmetric kernelkey-$RANDOM %:.ima)
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}
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# remove a previously loaded key. There's no real security implication
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# to leaving it around, we choose to do this because it makes it easier
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# to be idempotent and so as to reduce the potential for confusion.
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function remove_kdump_kernel_key()
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{
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if [ -z "$KDUMP_KEY_ID" ]; then
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return
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fi
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keyctl unlink $KDUMP_KEY_ID %:.ima
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keyctl padd asymmetric "" %:.ima < "/usr/share/doc/kernel-keys/$KDUMP_KERNELVER/kernel-signing-ppc.cer"
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}
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# Load the kdump kernel specified in /etc/sysconfig/kdump
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@ -679,15 +660,6 @@ load_kdump()
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KEXEC_ARGS=$(prepare_kexec_args "${KEXEC_ARGS}")
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KDUMP_COMMANDLINE=$(prepare_cmdline "${KDUMP_COMMANDLINE}" "${KDUMP_COMMANDLINE_REMOVE}" "${KDUMP_COMMANDLINE_APPEND}")
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# For secureboot enabled machines, use new kexec file based syscall.
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# Old syscall will always fail as it does not have capability to
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# to kernel signature verification.
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if is_secure_boot_enforced; then
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dinfo "Secure Boot is enabled. Using kexec file based syscall."
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KEXEC_ARGS="$KEXEC_ARGS -s"
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load_kdump_kernel_key
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fi
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ddebug "$KEXEC $KEXEC_ARGS $standard_kexec_args --command-line=$KDUMP_COMMANDLINE --initrd=$TARGET_INITRD $KDUMP_KERNEL"
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# The '12' represents an intermediate temporary file descriptor
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@ -708,9 +680,7 @@ load_kdump()
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set +x
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exec 2>&12 12>&-
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remove_kdump_kernel_key
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if [ $ret == 0 ]; then
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if [[ $ret == 0 ]]; then
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dinfo "kexec: loaded kdump kernel"
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return 0
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else
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@ -848,7 +818,7 @@ propagate_ssh_key()
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show_reserved_mem()
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{
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local mem=$(cat /sys/kernel/kexec_crash_size)
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local mem=$(get_reserved_mem_size)
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local mem_mb=$(expr $mem / 1024 / 1024)
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dinfo "Reserved "$mem_mb"MB memory for crash kernel"
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@ -1009,7 +979,13 @@ start_fadump()
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start_dump()
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{
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if [ $DEFAULT_DUMP_MODE == "fadump" ]; then
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# On secure boot enabled Power systems, load kernel signing key on .ima for signature
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# verification using kexec file based syscall.
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if [[ "$(uname -m)" == ppc64le ]] && is_secure_boot_enforced; then
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load_kdump_kernel_key
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fi
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if [[ $DEFAULT_DUMP_MODE == "fadump" ]]; then
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start_fadump
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else
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load_kdump
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@ -1270,7 +1246,7 @@ do_estimate() {
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# The default value when using crashkernel=auto
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baseline_size=$((baseline * size_mb))
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# Current reserved crashkernel size
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reserved_size=$(cat /sys/kernel/kexec_crash_size)
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reserved_size=$(get_reserved_mem_size)
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# A pre-estimated value for userspace usage and kernel
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# runtime allocation, 64M should good for most cases
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runtime_size=$((64 * size_mb))
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@ -35,7 +35,8 @@ updating lists accordingly.
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Supported Dump targets
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----------------------
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storage:
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LVM volume (no thinp)
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LVM volume
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Thin provisioning volume
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FC disks (qla2xxx, lpfc, bnx2fc, bfa)
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software initiator based iSCSI
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software RAID (mdraid)
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@ -79,7 +80,6 @@ Unsupported Dump targets
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------------------------
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storage:
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BIOS RAID
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Thin provisioning volume
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Software iSCSI with iBFT (bnx2i, cxgb3i, cxgb4i)
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Software iSCSI with hybrid (be2iscsi)
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FCoE
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@ -1,6 +1,6 @@
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Name: kexec-tools
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Version: 2.0.26
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Release: 8%{?dist}
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Release: 14%{?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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@ -396,6 +396,25 @@ done
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%endif
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%changelog
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* Wed Feb 21 2024 Pingfan Liu <piliu@redhat.com> - 2.0.26-14
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- dracut-module-setup: Skip initrd-cleanup and initrd-parse-etc in kdump
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* Fri Feb 2 2024 Pingfan Liu <piliu@redhat.com> - 2.0.26-13
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- dracut-module-setup.sh: also install the driver of physical NIC for Hyper-V VM with accelerated networking
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* Wed Nov 22 2023 Pingfan Liu <piliu@redhat.com> - 2.0.26-12
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- kdumpctl: Only returns immediately after an error occurs in check_*_modified
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* Thu Nov 9 2023 Pingfan Liu <piliu@redhat.com> - 2.0.26-11
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- powerpc: update kdumpctl to load kernel signing key for fadump
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- powerpc: update kdumpctl to remove deletion of kernel signing key once loaded
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* Tue Sep 26 2023 Pingfan Liu <piliu@redhat.com> - 2.0.26-10
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- Introduce a function to get reserved memory size
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* Tue Sep 19 2023 Pingfan Liu <piliu@redhat.com> - 2.0.26-9
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- Add lvm thin provision to kdump supported-kdump-targets.txt
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* Thu Aug 10 2023 Pingfan Liu <piliu@redhat.com> - 2.0.26-8
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- mkdumprd: Use the correct syntax to redirect the stderr to null
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- mkdumprd: call dracut with --add-device to install the drivers needed by /boot partition automatically for FIPS
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