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1 | #!/bin/sh | |
2 | ||
3 | # pstore_crash_test - Pstore test shell script which causes crash and reboot | |
4 | # | |
5 | # Copyright (C) Hitachi Ltd., 2015 | |
6 | # Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com> | |
7 | # | |
8 | # Released under the terms of the GPL v2. | |
9 | ||
10 | # exit if pstore backend is not registered | |
11 | . ./common_tests | |
12 | ||
13 | prlog "Causing kernel crash ..." | |
14 | ||
15 | # enable all functions triggered by sysrq | |
16 | echo 1 > /proc/sys/kernel/sysrq | |
17 | # setting to reboot in 3 seconds after panic | |
18 | echo 3 > /proc/sys/kernel/panic | |
19 | ||
20 | # save uuid file by different name because next test execution will replace it. | |
21 | mv $TOP_DIR/uuid $TOP_DIR/prev_uuid | |
22 | ||
23 | # create a file as reboot flag | |
24 | touch $REBOOT_FLAG | |
25 | sync | |
26 | ||
27 | # cause crash | |
28 | # Note: If you use kdump and want to see kmesg-* files after reboot, you should | |
29 | # specify 'crash_kexec_post_notifiers' in 1st kernel's cmdline. | |
30 | echo c > /proc/sysrq-trigger |