{"id":4007,"date":"2019-02-06T08:19:11","date_gmt":"2019-02-05T23:19:11","guid":{"rendered":"http:\/\/fisherman.jp\/23\/?p=4007"},"modified":"2019-02-09T09:26:29","modified_gmt":"2019-02-09T00:26:29","slug":"wdt-watchdogtimer-%e8%aa%bf%e6%9f%bb%e3%83%bb%e8%a8%ad%e5%ae%9a%e6%ba%96%e5%82%99-raspberry-pi-zero-wh","status":"publish","type":"post","link":"http:\/\/fisherman.jp\/23\/4007","title":{"rendered":"WDT WatchDogTimer \u8abf\u67fb\u30fb\u8a2d\u5b9a\u6e96\u5099 Raspberry Pi Zero WH\uff08stretch lite\u7248\uff09"},"content":{"rendered":"<p>WDT WatchDogTimer \u8abf\u67fb\u30fb\u8a2d\u5b9a\u6e96\u5099 Raspberry Pi Zero WH\uff08stretch lite\u7248\uff09<\/p>\n<p>\u2605 $ vcgencmd version #\u30d5\u30a1\u30fc\u30e0\u30a6\u30a8\u30a2\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u78ba\u8a8d<br \/>\nJan 22 2019 16:54:23<br \/>\n\u2605 $ cat \/proc\/cpuinfo #\u30ea\u30d3\u30b8\u30e7\u30f3\u78ba\u8a8d<br \/>\n\u2605 $ uname -a #\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30b7\u30b9\u30c6\u30e0\u306e\u60c5\u5831\u78ba\u8a8d\uff08\u30ab\u30fc\u30cd\u30eb kernel\u306a\u3069\uff09<br \/>\nLinux 000011 4.14.94+<br \/>\n\u2605 $ lsb_release -a #\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30b7\u30b9\u30c6\u30e0\u306e\u60c5\u5831\u78ba\u8a8d\uff08OS\u30d0\u30fc\u30b8\u30e7\u30f3 \u30b3\u30fc\u30c9\u30cd\u30fc\u30e0 Codename\u306a\u3069\uff09<br \/>\nDescription: Raspbian GNU\/Linux 9.6 (stretch)<br \/>\n<a href=\"http:\/\/fisherman.jp\/23\/4007\/screenshot-from-2019-02-06-08-22-00\" rel=\"attachment wp-att-4010\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-4010\" src=\"http:\/\/fisherman.jp\/23\/wp-content\/uploads\/2019\/02\/Screenshot-from-2019-02-06-08-22-00-80x80.png\" alt=\"\" width=\"80\" height=\"80\" \/><\/a><br \/>\n\u2605 $ ls -al \/dev\/watchdog*<br \/>\ncrw&#8212;&#8212;- 1 root root 10, 130 Feb 6 04:48 \/dev\/watchdog<br \/>\ncrw&#8212;&#8212;- 1 root root 252, 0 Feb 6 04:48 \/dev\/watchdog0<br \/>\n\u2605 $ dmesg | grep bcm2835-wdt<br \/>\n[ 0.906432] bcm2835-wdt 20100000.watchdog: Broadcom BCM2835 watchdog timer<br \/>\n\u2605 \/etc\/systemd\/system.conf<br \/>\n#RuntimeWatchdogSec=0<br \/>\n#ShutdownWatchdogSec=10min<br \/>\n<a href=\"http:\/\/fisherman.jp\/23\/4007\/screenshot-from-2019-02-06-08-25-24\" rel=\"attachment wp-att-4012\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-4012\" src=\"http:\/\/fisherman.jp\/23\/wp-content\/uploads\/2019\/02\/Screenshot-from-2019-02-06-08-25-24-80x80.png\" alt=\"\" width=\"80\" height=\"80\" \/><\/a> <a href=\"http:\/\/fisherman.jp\/23\/4007\/screenshot-from-2019-02-06-08-25-30\" rel=\"attachment wp-att-4013\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-4013\" src=\"http:\/\/fisherman.jp\/23\/wp-content\/uploads\/2019\/02\/Screenshot-from-2019-02-06-08-25-30-80x80.png\" alt=\"\" width=\"80\" height=\"80\" \/><\/a><br \/>\n\u2605 \u63a8\u5b9a\u30fb\u8abf\u67fb<br \/>\n\u591a\u304f\u306e\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306f\u3001watchdogtimer\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u79d2\u6570\u8a2d\u5b9a\uff09, watchdogon\uff08ON\uff09, watchdogoff\uff08OFF\uff09, watchdogclear\uff08\u30bf\u30a4\u30de\u30fc\u30af\u30ea\u30a2\uff09\u306e\u6a5f\u80fd\u304c\u3042\u308b\u3068\u3057\u3066\u3001\u7701\u7565\u3067\u304d\u308b\u3068\u3059\u308b\u3068\u3001ON\u3068OFF\u306f\u79d2\u6570\u8a2d\u5b9a\u306e\u7279\u5b9a\u5024\u3067\u4ee3\u66ff\u3067\u304d\u308b\u3002\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u79d2\u6570\u304c\u56fa\u5b9a\u3060\u3068\u3059\u308b\u3068\u3001\u30bf\u30a4\u30de\u30fc\u30af\u30ea\u30a2\u306b\u79d2\u6570\u8a2d\u5b9a\u304c\u3067\u304d\u308c\u3070\u826f\u3044\u3001\u305d\u308c\u3092\u3069\u3053\u3067\u5b9f\u884c\u3059\u308b\u304b\u306e\u8a2d\u5b9a\u3082\u5fc5\u8981\u3060\u3051\u308c\u3069\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a8\u30a2\u306b\u3088\u3063\u3066\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u5834\u6240\u306f\u6c7a\u307e\u308b\u306e\u3067\u8003\u616e\u6e08\u307f\u3067\u65e2\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u306f\u305a\uff08\u5272\u308a\u8fbc\u307f\u30eb\u30fc\u30c1\u30f3\u5185\u3084\u5468\u671f\u30bf\u30a4\u30de\u30fc\u5185\u306b\u306f\u5165\u308c\u306a\u3044\u3001\u7406\u7531\u306f\u30e1\u30a4\u30f3\u30eb\u30fc\u30c1\u30f3\u304c\u66b4\u8d70\u3057\u3066\u3082\u3053\u308c\u3089\u306f\u3057\u3076\u3068\u304f\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u304b\u3089\uff09\u3002#ShutdownWatchdogSec=10min \u306f\u4f8b\u5916\u6761\u4ef6\u3060\u3068\u3057\u3066\u3001#RuntimeWatchdogSec=0 \u306e\u5024\u3067\u306e\u6319\u52d5\u3092\u8abf\u67fb\u3002<br \/>\nRuntimeWatchdogSec=1 #SSH\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u305a<br \/>\nRuntimeWatchdogSec=4, =16, =28, =30 #\u901a\u5e38\u52d5\u4f5c<br \/>\nRuntimeWatchdogSec=32, =35, =40 #\u518d\u8d77\u52d5\u7e70\u308a\u8fd4\u3059<br \/>\n\u2605 \u5b9f\u9a13.1<br \/>\nRuntimeWatchdogSec=16\uff08\u5358\u306b\u52d5\u4f5c\u7bc4\u56f2\u306e\u4e2d\u9593\u5024\uff09 \u306b\u8a2d\u5b9a\u5f8c\u3001watchdog \u304c\u6709\u52b9\u306b\u52d5\u4f5c\u3059\u308b\u304b\u3069\u3046\u304b\u306e\u5b9f\u9a13<br \/>\n$ :(){ :|:&amp; };: #\u51e6\u7406\u30aa\u30fc\u30d0\u30fc\u3092\u767a\u751f\u3055\u305b\u308b #\u30b3\u30de\u30f3\u30c9\u5f8c\u306b\u3057\u3070\u3089\u304f\u3057\u3066\u30ea\u30bb\u30c3\u30c8\u767a\u751f\u3001\u52d5\u4f5cOK<br \/>\n<a href=\"http:\/\/fisherman.jp\/23\/4007\/screenshot-from-2019-02-08-20-36-00\" rel=\"attachment wp-att-4042\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-4042\" src=\"http:\/\/fisherman.jp\/23\/wp-content\/uploads\/2019\/02\/Screenshot-from-2019-02-08-20-36-00-80x80.png\" alt=\"\" width=\"80\" height=\"80\" \/><\/a> <a href=\"http:\/\/fisherman.jp\/23\/4007\/screenshot-from-2019-02-08-20-36-29\" rel=\"attachment wp-att-4043\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-4043\" src=\"http:\/\/fisherman.jp\/23\/wp-content\/uploads\/2019\/02\/Screenshot-from-2019-02-08-20-36-29-80x80.png\" alt=\"\" width=\"80\" height=\"80\" \/><\/a> <a href=\"http:\/\/fisherman.jp\/23\/4007\/screenshot-from-2019-02-08-20-37-07\" rel=\"attachment wp-att-4044\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-4044\" src=\"http:\/\/fisherman.jp\/23\/wp-content\/uploads\/2019\/02\/Screenshot-from-2019-02-08-20-37-07-80x80.png\" alt=\"\" width=\"80\" height=\"80\" \/><\/a> <a href=\"http:\/\/fisherman.jp\/23\/4007\/screenshot-from-2019-02-08-20-37-51\" rel=\"attachment wp-att-4045\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-4045\" src=\"http:\/\/fisherman.jp\/23\/wp-content\/uploads\/2019\/02\/Screenshot-from-2019-02-08-20-37-51-80x80.png\" alt=\"\" width=\"80\" height=\"80\" \/><\/a><br \/>\n\u2605 \u5b9f\u9a13.2<br \/>\nRuntimeWatchdogSec=0 \u306b\u8a2d\u5b9a\u5f8c\u3001watchdog \u304c\u52d5\u4f5c\u3059\u308b\u304b\u3069\u3046\u304b\u306e\u5b9f\u9a13<br \/>\n$ :(){ :|:&amp; };: #\u51e6\u7406\u30aa\u30fc\u30d0\u30fc\u3092\u767a\u751f\u3055\u305b\u308b #\u30b3\u30de\u30f3\u30c9\u5f8c\u3001\u66b4\u8d70<br \/>\nSSH\u306f\u53d7\u3051\u4ed8\u3051\u306a\u3044<br \/>\n\u3053\u306e\u72b6\u614b\u3067\u3001GPIO3\/SCL\/WUP \u2013 GND \u306b\u3057\u3066\u3082\u7121\u53cd\u5fdc<br \/>\n\u3053\u306e\u72b6\u614b\u3067\u3001RUN\/WUP \u2013 GND \u306b\u3059\u308b\u3068\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u3001\u6b63\u5e38\u8d77\u52d5\u3059\u308b\uff08SSH\u3082\u53d7\u3051\u4ed8\u3051\u308b\uff09<br \/>\n<a href=\"http:\/\/fisherman.jp\/23\/4007\/screenshot-from-2019-02-08-20-40-58\" rel=\"attachment wp-att-4051\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-4051\" src=\"http:\/\/fisherman.jp\/23\/wp-content\/uploads\/2019\/02\/Screenshot-from-2019-02-08-20-40-58-80x80.png\" alt=\"\" width=\"80\" height=\"80\" \/><\/a> <a href=\"http:\/\/fisherman.jp\/23\/4007\/screenshot-from-2019-02-08-20-45-41\" rel=\"attachment wp-att-4052\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-4052\" src=\"http:\/\/fisherman.jp\/23\/wp-content\/uploads\/2019\/02\/Screenshot-from-2019-02-08-20-45-41-80x80.png\" alt=\"\" width=\"80\" height=\"80\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>WDT WatchDogTimer \u8abf\u67fb\u30fb\u8a2d\u5b9a\u6e96\u5099 Raspberry Pi Zero WH\uff08stretch lite\u7248\uff09 \u2605 $ vcgencmd version #\u30d5\u30a1\u30fc\u30e0\u30a6\u30a8\u30a2\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u78ba\u8a8d Jan 22 201 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-4007","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi"],"_links":{"self":[{"href":"http:\/\/fisherman.jp\/23\/wp-json\/wp\/v2\/posts\/4007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/fisherman.jp\/23\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/fisherman.jp\/23\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/fisherman.jp\/23\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/fisherman.jp\/23\/wp-json\/wp\/v2\/comments?post=4007"}],"version-history":[{"count":23,"href":"http:\/\/fisherman.jp\/23\/wp-json\/wp\/v2\/posts\/4007\/revisions"}],"predecessor-version":[{"id":4065,"href":"http:\/\/fisherman.jp\/23\/wp-json\/wp\/v2\/posts\/4007\/revisions\/4065"}],"wp:attachment":[{"href":"http:\/\/fisherman.jp\/23\/wp-json\/wp\/v2\/media?parent=4007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fisherman.jp\/23\/wp-json\/wp\/v2\/categories?post=4007"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fisherman.jp\/23\/wp-json\/wp\/v2\/tags?post=4007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}