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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-only
# pstore_crash_test - Pstore test shell script which causes crash and reboot
#
# Copyright (C) Hitachi Ltd., 2015
# Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
#
# exit if pstore backend is not registered
. ./common_tests
prlog "Causing kernel crash ..."
# enable all functions triggered by sysrq
echo 1 > /proc/sys/kernel/sysrq
# setting to reboot in 3 seconds after panic
echo 3 > /proc/sys/kernel/panic
# save uuid file by different name because next test execution will replace it.
mv $TOP_DIR/uuid $TOP_DIR/prev_uuid
# create a file as reboot flag
touch $REBOOT_FLAG
sync
# cause crash
# Note: If you use kdump and want to see kmesg-* files after reboot, you should
# specify 'crash_kexec_post_notifiers' in 1st kernel's cmdline.
echo c > /proc/sysrq-trigger
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