From: Denys Dmytriyenko <[email protected]>
Signed-off-by: Denys Dmytriyenko <[email protected]>
---
.../recipes-kernel/kexec/kexec-tools/kdump | 163 +++++++++++++++++++++
.../recipes-kernel/kexec/kexec-tools/kdump.conf | 18 +++
.../recipes-kernel/kexec/kexec-tools_2.0.13pre.bb | 40 +++++
3 files changed, 221 insertions(+)
create mode 100755 meta-arago-extras/recipes-kernel/kexec/kexec-tools/kdump
create mode 100644
meta-arago-extras/recipes-kernel/kexec/kexec-tools/kdump.conf
create mode 100644
meta-arago-extras/recipes-kernel/kexec/kexec-tools_2.0.13pre.bb
diff --git a/meta-arago-extras/recipes-kernel/kexec/kexec-tools/kdump
b/meta-arago-extras/recipes-kernel/kexec/kexec-tools/kdump
new file mode 100755
index 0000000..3fb133f
--- /dev/null
+++ b/meta-arago-extras/recipes-kernel/kexec/kexec-tools/kdump
@@ -0,0 +1,163 @@
+#! /bin/sh
+#
+# kdump
+#
+# Description: The kdump script provides the support:
+# 1. Load a kdump kernel image into memory;
+# 2. Copy away vmcore when system panic.
+#
+
+#default
+KDUMP_KVER="`uname -r`"
+KDUMP_KIMAGE="/boot/bzImage-${KDUMP_KVER}"
+KDUMP_CMDLINE="`cat /proc/cmdline`"
+KDUMP_CMDLINE_APPEND="kdump_needed maxcpus=1 irqpoll reset_devices"
+KDUMP_VMCORE_PATH="/var/crash/`date +"%Y-%m-%d"`"
+
+#get right kernel image
+march="`uname -m`"
+case ${march} in
+ x86*|i?86)
+ ;;
+ *)
+ KDUMP_KIMAGE="/boot/uImage-${KDUMP_KVER}"
+ ;;
+esac
+
+KEXEC=usr/sbin/kexec
+KEXEC_ARGS="-p"
+
+MAKEDUMPFILE=/usr/bin/makedumpfile
+MAKEDUMPFILE_ARGS="-E -d 1"
+
+LOGGER="logger -p info -t kdump"
+
+if [ -f /etc/sysconfig/kdump.conf ]; then
+ . /etc/sysconfig/kdump.conf
+fi
+
+do_check()
+{
+ #check makedumpfile
+ if [ ! -e ${MAKEDUMPFILE} -o ! -x ${MAKEDUMPFILE} ] ;then
+ echo "No makedumpfile found."
+ return 1;
+ fi
+
+ #check kexec
+ if [ ! -e ${KEXEC} -o ! -x ${KEXEC} ] ;then
+ echo "No kexec found."
+ return 1;
+ fi
+
+ #check whether kdump kernel image exists on the system
+ if [ ! -f ${KDUMP_KIMAGE} ]; then
+ echo "No kdump kernel image found."
+ return 1
+ fi
+}
+
+do_save_vmcore()
+{
+ mkdir -p ${KDUMP_VMCORE_PATH}
+ echo "Saving a vmcore to ${KDUMP_VMCORE_PATH}."
+
+ ${MAKEDUMPFILE} ${MAKEDUMPFILE_ARGS} /proc/vmcore
${KDUMP_VMCORE_PATH}/vmcore-"`date +"%H:%M:%S"`"
+# cp --sparse=always /proc/vmcore ${KDUMP_VMCORE_PATH}/vmcore-"`date
+"%H:%M:%S"`"
+ rc=$?
+ if [ ${rc} == 0 ]; then
+ ${LOGGER} "Saved a vmcore to ${KDUMP_VMCORE_PATH}."
+ else
+ ${LOGGER} "Failed to save vmcore!"
+ fi
+ return ${rc}
+}
+
+do_start()
+{
+ #check file
+ do_check
+
+ #check whether the running kernel supports kdump.
+ if [ ! -e /sys/kernel/kexec_crash_loaded ]; then
+ echo "Kdump isn't supported on the running kernel!!!"
+ ${LOGGER} "Kdump isn't supported on the running kernel!!!"
+ return 1
+ fi
+
+ #check whether kdump kernel image has been loaded
+ rc=`cat /sys/kernel/kexec_crash_loaded`
+ if [ ${rc} != 0 ]; then
+ echo "Kdump is already running.";
+ ${LOGGER} "Kdump is already running."
+ return 0
+ fi
+
+ #check the running kernel cmdline option,insure "crashkenrel=" always
set.
+ grep -q crashkernel= /proc/cmdline
+ if [ $? != 0 ]; then
+ echo "Kdump isn't supported on the running kernel,please check
boot option!!!"
+ ${LOGGER} "Kdump isn't supported on the running kernel,please
check boot option!!!"
+ return 1
+ fi
+
+ #handle kdump cmdline parameters, remove some useless options
+ kcmdline=""
+ for x in `cat /proc/cmdline`; do
+ case $x in
+ crashkernel*)
+ ;;
+ *)
+ kcmdline="${kcmdline} $x"
+ ;;
+ esac
+ done
+
+ KDUMP_CMDLINE="${kcmdline} ${KDUMP_CMDLINE_APPEND}"
+
+ #Load the kdump kernel image
+ ${KEXEC} ${KEXEC_ARGS} "${KDUMP_KIMAGE}" --append="${KDUMP_CMDLINE}"
+ if [ $? != 0 ]; then
+ echo "Failed to load kdump kernel!"
+ ${LOGGER} "Failed to load kdump kernel!"
+ return 1
+ fi
+
+ echo "Kdump started up."
+ ${LOGGER} "Kdump started up."
+}
+
+do_stop()
+{
+ ${KEXEC} -p -u 2>/dev/null
+ if [ $? == 0 ]; then
+ echo "Kdump has been stopped."
+ ${LOGGER} "Kdump has been stopped."
+ else
+ echo "Failed to stop kdump!"
+ ${LOGGER} "Failed to stop kdump!"
+ fi
+}
+
+case "$1" in
+ start)
+ if [ -s /proc/vmcore ]; then
+ do_save_vmcore
+ reboot
+ else
+ do_start
+ fi
+ ;;
+ restart)
+ do_stop
+ do_start
+ ;;
+ stop)
+ do_stop
+ ;;
+ *)
+ echo $"Usage: $0 {start|stop|restart}"
+ exit 1
+esac
+
+exit $?
diff --git a/meta-arago-extras/recipes-kernel/kexec/kexec-tools/kdump.conf
b/meta-arago-extras/recipes-kernel/kexec/kexec-tools/kdump.conf
new file mode 100644
index 0000000..42a2435
--- /dev/null
+++ b/meta-arago-extras/recipes-kernel/kexec/kexec-tools/kdump.conf
@@ -0,0 +1,18 @@
+#the kdump kernel version string.
+#KDUMP_KVER="`uname -r`"
+
+#this will be passed to the kdump kernel as kdump kernel command line, it
+#usually comes from /proc/cmdline
+#KDUMP_CMDLINE="`cat /proc/cmdline`"
+
+# append arguments to the kdump commandline
+#KDUMP_CMDLINE_APPEND="kdump_needed maxcpus=1 irqpoll reset_devices"
+
+#the kernel image for kdump
+#KDUMP_KIMAGE="/boot/bzImage-${KDUMP_KVER}"
+
+#Where to save the vmcore
+#KDUMP_VMCORE_PATH="/var/crash/`date +"%Y-%m-%d"`"
+
+#the arguments to makedumpfile
+MAKEDUMPFILE_ARGS="--dump-dmesg -x /boot/vmlinux-`uname -r`"
diff --git a/meta-arago-extras/recipes-kernel/kexec/kexec-tools_2.0.13pre.bb
b/meta-arago-extras/recipes-kernel/kexec/kexec-tools_2.0.13pre.bb
new file mode 100644
index 0000000..7f498c9
--- /dev/null
+++ b/meta-arago-extras/recipes-kernel/kexec/kexec-tools_2.0.13pre.bb
@@ -0,0 +1,40 @@
+require recipes-kernel/kexec/kexec-tools.inc
+export LDFLAGS = "-L${STAGING_LIBDIR}"
+EXTRA_OECONF = " --with-zlib=yes"
+
+S = "${WORKDIR}/git"
+
+PV = "2.0.12+2.0.13pre"
+
+BRANCH="master"
+SRCREV = "4db7f295d59651ead1f7632198fe8c113a2e8890"
+
+SRC_URI =
"git://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git;protocol=git;branch=${BRANCH}"
+
+SRC_URI += " \
+ file://kdump \
+ file://kdump.conf \
+"
+
+PACKAGES =+ "kexec kdump vmcore-dmesg"
+
+ALLOW_EMPTY_${PN} = "1"
+RRECOMMENDS_${PN} = "kexec kdump vmcore-dmesg"
+
+FILES_kexec = "${sbindir}/kexec"
+FILES_kdump = "${sbindir}/kdump ${sysconfdir}/init.d/kdump \
+ ${sysconfdir}/sysconfig/kdump.conf"
+FILES_vmcore-dmesg = "${sbindir}/vmcore-dmesg"
+
+inherit update-rc.d
+
+INITSCRIPT_PACKAGES = "kdump"
+INITSCRIPT_NAME_kdump = "kdump"
+INITSCRIPT_PARAMS_kdump = "start 56 2 3 4 5 . stop 56 0 1 6 ."
+
+do_install_append () {
+ install -d ${D}${sysconfdir}/init.d
+ install -m 0755 ${WORKDIR}/kdump ${D}${sysconfdir}/init.d/kdump
+ install -d ${D}${sysconfdir}/sysconfig
+ install -m 0644 ${WORKDIR}/kdump.conf ${D}${sysconfdir}/sysconfig
+}
--
2.7.4
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