{"id":17289,"date":"2019-10-09T14:21:10","date_gmt":"2019-10-09T05:21:10","guid":{"rendered":"http:\/\/www.skyarch.net\/blog\/?p=17289"},"modified":"2019-10-09T14:21:10","modified_gmt":"2019-10-09T05:21:10","slug":"amazon-ec2-%e3%81%a7-diagnostic-interrupts-%e8%a8%ba%e6%96%ad%e5%89%b2%e3%82%8a%e8%be%bc%e3%81%bf-%e3%82%92%e5%88%a9%e7%94%a8%e3%81%97%e3%81%a6%e3%82%af%e3%83%a9%e3%83%83%e3%82%b7%e3%83%a5%e3%83%80","status":"publish","type":"post","link":"https:\/\/www.skyarch.net\/blog\/amazon-ec2-%e3%81%a7-diagnostic-interrupts-%e8%a8%ba%e6%96%ad%e5%89%b2%e3%82%8a%e8%be%bc%e3%81%bf-%e3%82%92%e5%88%a9%e7%94%a8%e3%81%97%e3%81%a6%e3%82%af%e3%83%a9%e3%83%83%e3%82%b7%e3%83%a5%e3%83%80\/","title":{"rendered":"Amazon EC2 \u3067 Diagnostic Interrupts (\u8a3a\u65ad\u5272\u308a\u8fbc\u307f) \u3092\u5229\u7528\u3057\u3066\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u3092\u53d6\u5f97\u3059\u308b"},"content":{"rendered":"<p>Amazon EC2 \u3067 Diagnostic Interrupts (\u8a3a\u65ad\u5272\u308a\u8fbc\u307f) \u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3057\u305f\u3002Diagnostic Interrupts \u3068\u3044\u3046\u3068\u99b4\u67d3\u307f\u304c\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306f Non Maskable Interrupt (NMI) \u304c\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002\u672c\u7a3f\u3067\u3082\u4ee5\u4e0b\u3001NMI \u3068\u547c\u3076\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"nmi-\u3068\u306f\">NMI \u3068\u306f<\/h2>\n<p>\u5272\u308a\u8fbc\u307f(Interrupt)\u306f \u3042\u308b\u7279\u5b9a\u306e\u6761\u4ef6\u304c\u767a\u751f\u3057\u305f\u6642\u306b\u3001\u73fe\u5728\u5b9f\u884c\u4e2d\u306e\u51e6\u7406\u3092\u4e00\u65e6\u4e2d\u65ad\u3057\u3066\u3001\u4e8b\u524d\u306b\u6307\u5b9a\u3057\u305f\u5225\u306e\u51e6\u7406\uff08\u5272\u308a\u8fbc\u307f\u30eb\u30fc\u30c1\u30f3\uff09\u3092\u5b9f\u884c\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n<p>\u5272\u8fbc\u307f\u306f\u5927\u304d\u304f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5272\u308a\u8fbc\u307f\u3068\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5272\u308a\u8fbc\u307f\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5272\u308a\u8fbc\u307f\u306f\u3059\u3054\u304f\u5358\u7d14\u306b\u8a00\u3046\u3068\u7269\u7406\u7684\u306b CPU \u306b\u5272\u308a\u8fbc\u307f\u7528\u306e\u30dc\u30bf\u30f3\u304c\u4ed8\u3044\u3066\u3044\u3066\u3001\u305d\u308c\u3092\u62bc\u3059\u3068\u5bfe\u5fdc\u3057\u305f\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5272\u308a\u8fbc\u307f\u306f\u5272\u8fbc\u307f\u767a\u751f\u547d\u4ee4\u306b\u3088\u3063\u3066\u64ec\u4f3c\u7684\u306b\u5272\u308a\u8fbc\u307f\u3092\u767a\u751f\u3055\u305b\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u51e6\u7406\u306e\u5185\u5bb9\u306b\u3088\u3063\u3066\u306f\u3001\u5272\u8fbc\u307f\u3057\u3066\u6b32\u3057\u304f\u306a\u3044\u5834\u5408\u3084\u4e00\u6642\u7684\u306b\u7121\u8996\u3057\u305f\u3044\u5834\u5408\u306b\u5272\u308a\u8fbc\u307f\u3092\u7981\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u5272\u308a\u8fbc\u307f\u3092\u96a0\u3059\u306e\u3067\u3001\u5272\u308a\u8fbc\u307f\u3092\u30de\u30b9\u30af\u3059\u308b\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u305d\u308c\u3067\u3082\u306a\u304a\u5f37\u5236\u7684\u306b\u4f55\u3089\u304b\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u305f\u3044\u5834\u5408\u306b\u5099\u3048\u3066\u30de\u30b9\u30af\u3067\u304d\u306a\u3044\u5272\u308a\u8fbc\u307f\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30de\u30b9\u30af\u3067\u304d\u306a\u3044\u306e\u3067\u3001\"Non Maskable\" \u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u5c0e\u5165\u3055\u308c\u305f\u3001Diagnostic Interrupts (\u8a3a\u65ad\u5272\u308a\u8fbc\u307f) \u306f\u3053\u306e NMI \u3092\u4eee\u60f3\u30de\u30b7\u30f3\u4e0a\u306b\u767a\u751f\u3055\u305b\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<h2 id=\"diagnostic-interrupts-\u8a3a\u65ad\u5272\u308a\u8fbc\u307fnmi-\u3092\u4f7f\u7528\u3059\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\">Diagnostic Interrupts (\u8a3a\u65ad\u5272\u308a\u8fbc\u307f)\/NMI \u3092\u4f7f\u7528\u3059\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h2>\n<p>\u3053\u306e\u3088\u3046\u306a\u5272\u308a\u8fbc\u307f\u3092\u5f37\u5236\u7684\u306b\u767a\u751f\u3055\u305b\u305f\u3044\u5834\u5408\u3068\u306f\u3069\u306e\u3088\u3046\u306a\u5834\u5408\u3067\u3057\u3087\u3046\u304b\uff1f\u901a\u5e38\u306e\u51e6\u7406\u4e2d\u3067\u3042\u308c\u3070\u5272\u308a\u8fbc\u307f\u306e\u5236\u5fa1\u306f\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0(OS)\u306b\u4efb\u305b\u3066\u304a\u3044\u3066\u554f\u984c\u306a\u3044\u306f\u305a\u3067\u3059\u3002\u3068\u3059\u308b\u3068\u901a\u5e38\u3067\u306a\u3044\u4f55\u3089\u304b\u306e\u4e8b\u8c61\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u60f3\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u7121\u9650\u30eb\u30fc\u30d7\u3067\u66b4\u8d70\u3057\u3066\u3044\u3066\u5168\u304f\u64cd\u4f5c\u3092\u53d7\u3051\u4ed8\u3051\u306a\u3044\u72b6\u614b\u3084\u3001\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306a\u3069\u3067\u51e6\u7406\u304c\u5168\u304f\u9032\u307e\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u3001\u60f3\u5b9a\u5916\u306e\u9ad8\u8ca0\u8377\u72b6\u614b\u3067\u64cd\u4f5c\u3092\u5168\u304f\u53d7\u3051\u4ed8\u3051\u306a\u3044\u306a\u3069\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u5834\u5408\u3067\u3082\u30ea\u30bb\u30c3\u30c8\u3084\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30b9\u30c8\u30c3\u30d7\u30fb\u30b9\u30bf\u30fc\u30c8\u306a\u3069\u3067\u56de\u5fa9\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u3067\u304d\u308b\u3053\u3068\u306a\u3089\u3070\u4f55\u3089\u304b\u306e\u8a3a\u65ad\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3055\u305b\u3066\u6839\u672c\u539f\u56e0\u3092\u7a76\u660e\u3057\u5bfe\u7b56\u3092\u5b9f\u65bd\u3067\u304d\u308b\u65b9\u304c\u597d\u307e\u3057\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u30ed\u30b0\u304b\u3089\u3042\u308b\u7a0b\u5ea6\u308f\u304b\u308b\u3068\u8a00\u3046\u5834\u5408\u3082\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u7570\u5e38\u306a\u51e6\u7406\u72b6\u614b\u3067\u306f\u30ed\u30b0\u3082\u6b63\u78ba\u306b\u51fa\u529b\u3055\u308c\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u3053\u3067 Diagnostic Interrupts (\u8a3a\u65ad\u5272\u308a\u8fbc\u307f)\/NMI \u306b\u3088\u308a\u5f37\u5236\u7684\u306b\u51e6\u7406\u3092\u4e2d\u65ad\u3055\u305b\u3001\u7279\u5b9a\u306e\u8a3a\u65ad\u30eb\u30fc\u30c1\u30f3\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u30ce\u30fc\u30c8 PC \u3084\u30c7\u30b9\u30af\u30c8\u30c3\u30d7 PC \u3067\u306f\u3042\u307e\u308a\u898b\u304b\u3051\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u4fe1\u983c\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u30b5\u30fc\u30d0 PC \u3067\u306f NMI \u30dc\u30bf\u30f3\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.dell.com\/support\/manuals\/jp\/ja\/jpbsd1\/poweredge-r330\/r330_om\/%E5%89%8D%E9%9D%A2%E3%83%91%E3%83%8D%E3%83%AB%E3%81%AE%E6%A9%9F%E8%83%BD%E3%81%A8%E3%82%A4%E3%83%B3%E3%82%B8%E3%82%B1%E3%83%BC%E3%82%BF?guid=guid-ff9db2eb-f1b7-4969-84ef-29922aabadb6&amp;lang=ja-jp\">Dell PowerEdge R330 \u30aa\u30fc\u30ca\u30fc\u30ba\u30de\u30cb\u30e5\u30a2\u30eb<\/a> \u3088\u308a<\/p>\n<a href=\"https:\/\/www.skyarch.net\/blog\/wp-content\/uploads\/2019\/10\/01.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.skyarch.net\/blog\/wp-content\/uploads\/2019\/10\/01.png\" alt=\"\" width=\"630\" height=\"250\" class=\"alignnone size-full wp-image-17300\" srcset=\"https:\/\/www.skyarch.net\/blog\/wp-content\/uploads\/2019\/10\/01.png 630w, https:\/\/www.skyarch.net\/blog\/wp-content\/uploads\/2019\/10\/01-300x119.png 300w\" sizes=\"auto, (max-width: 630px) 100vw, 630px\" \/><\/a>\n<h2 id=\"diagnostic-interrupts-\u8a3a\u65ad\u5272\u308a\u8fbc\u307fnmi-\u3068-kdump\">Diagnostic Interrupts (\u8a3a\u65ad\u5272\u308a\u8fbc\u307f)\/NMI \u3068 kdump<\/h2>\n<p>Linux OS \u3067\u306f\u3053\u306e\u3088\u3046\u306a\u8a3a\u65ad\u6a5f\u69cb\u3068\u3057\u3066\u3001kdump \u304c\u5229\u7528\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002kdump \u306f kernel \u30d1\u30cb\u30c3\u30af\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u3001\u30e1\u30e2\u30ea\u306e\u5185\u5bb9\u3092\u4e00\u65e6\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306a\u3069\u306e\u6c38\u7d9a\u5a92\u4f53\u306b\u4e00\u65e6\u4fdd\u5b58\u3057\u5f8c\u304b\u3089\u89e3\u6790\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u30e1\u30e2\u30ea\u306e\u5185\u5bb9\u3092\u51fa\u529b\u3057\u30c7\u30fc\u30bf\u3092\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<p>\u539f\u56e0\u4e0d\u660e\u306e\u518d\u8d77\u52d5\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u3084\u3001\u7a81\u7136\u30b5\u30fc\u30d0\u304c\u505c\u6b62\u3001\u30cf\u30f3\u30b0\u30a2\u30c3\u30d7\u3059\u308b\u5834\u5408\u306a\u3069\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u3092\u8abf\u3079\u308b\u3053\u3068\u3067\u539f\u56e0\u3092\u7279\u5b9a\u3067\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u9ad8\u8ca0\u8377\u6642\u306e\u8ca0\u8377\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u3092\u8abf\u3079\u308b\u3053\u3068\u3067\u8ca0\u8377\u306e\u72b6\u614b\u304c\u308f\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>kernel \u30d0\u30b0\u306e\u8abf\u67fb\u3067\u3082\u5f79\u7acb\u3064\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"diagnostic-interrupts-\u8a3a\u65ad\u5272\u308a\u8fbc\u307fnmi-\u306b\u3088\u308b-kdump-\u5b9f\u884c\u306e\u8a2d\u5b9a\">Diagnostic Interrupts (\u8a3a\u65ad\u5272\u308a\u8fbc\u307f)\/NMI \u306b\u3088\u308b kdump \u5b9f\u884c\u306e\u8a2d\u5b9a<\/h2>\n<p>\u305d\u308c\u3067\u306f\u5b9f\u969b\u306b kdump \u3092\u8a2d\u5b9a\u3057\u3066\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u3092\u63a1\u53d6\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u4eca\u56de OS \u3068\u3057\u3066\u306f Amazon Linux 2 \u3092\u5229\u7528\u3057\u307e\u3059\u3002\u306a\u304a\u8a2d\u5b9a\u65b9\u6cd5\u306b\u95a2\u3057\u3066\u306f\u3001EC2\u306e\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u8a18\u8f09\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u5408\u308f\u305b\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>Amazon Elastic Compute Cloud User Guide for Linux Instances <a href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/AWSEC2\/latest\/UserGuide\/diagnostic-interrupt.html\">Sending a Diagnostic Interrupt (Advanced Users Only)<\/a><\/p>\n<h3 id=\"\u524d\u63d0\u6761\u4ef6\">\u524d\u63d0\u6761\u4ef6<\/h3>\n<p>\u307e\u305a\u524d\u63d0\u6761\u4ef6\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u3057\u3066\u3001\"Amazon Linux 2\" \u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>kdump \u3092\u5229\u7528\u3059\u308b\u524d\u63d0\u3068\u3057\u3066\u3001NITRO \u4e16\u4ee3\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5229\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001NITRO \u4e16\u4ee3\u4ee5\u524d\u306f\u30cf\u30a4\u30d1\u30fc\u30d0\u30a4\u30b6\u3068\u3057\u3066 XEN \u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001XEN \u3067\u306f\u4eee\u60f3 NMI \u306b\u3088\u308b\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u63a1\u53d6\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u3067\u3059\u3002NITRO \u4e16\u4ee3\u3067\u306f\u30cf\u30a4\u30d1\u30fc\u30d0\u30a4\u30b6\u304c KVM \u306b\u5909\u66f4\u3055\u308c\u305f\u305f\u3081\u3001\u4eee\u60f3 NMI \u306b\u3088\u308b\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u306e\u63a1\u53d6\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>NITRO \u30d9\u30fc\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30bf\u30a4\u30d7\u306f\u4ee5\u4e0b\u306e\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u8a18\u8f09\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Amazon Elastic Compute Cloud User Guide for Linux Instances <a href=\"https:\/\/docs.aws.amazon.com\/AWSEC2\/latest\/UserGuide\/instance-types.html#ec2-nitro-instances\">Nitro-based Instances<\/a><\/p>\n<p>\u4ee5\u4e0b\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30bf\u30a4\u30d7\u304c NITRO \u5bfe\u5fdc\u3067\u3042\u308b\u3068\u8f09\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<blockquote>\n<ul>\n<li>A1, C5, C5d, C5n, I3en, M5, M5a, M5ad, M5d, p3dn.24xlarge, R5, R5a, R5ad, R5d, T3, T3a, and z1d<\/li>\n<li>Bare metal: c5.metal, c5n.metal, i3.metal, i3en.metal, m5.metal, m5d.metal, r5.metal, r5d.metal, u-6tb1.metal, u-9tb1.metal, u-12tb1.metal, and z1d.metal<\/li>\n<\/ul>\n<\/blockquote>\n<p>ARM \u30d9\u30fc\u30b9\u306e A1 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30bf\u30a4\u30d7\u306f\u3001kdump \u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3042\u3044\u3002<\/p>\n<p>kvm \u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306f\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ lscpu | grep Hyper\r\nHypervisor vendor:   KVM\r\n<\/pre>\n<p>\u3082\u3057\u304f\u306f<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ systemd-detect-virt\r\nkvm\r\n<\/pre>\n<p>\u307e\u305f\u6bd4\u8f03\u7684\u6700\u8fd1\u306e AMI \u3092\u5229\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u524d\u306f\u305d\u3082\u305d\u3082\u4eee\u60f3 NMI \u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u3001Amazon Linux \/ Amazon Linux 2 \u3067\u306f\u30ab\u30fc\u30cd\u30eb\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u3067 kdump \u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3044\u3064\u304b\u3089\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u304b\u6b63\u78ba\u306b\u628a\u63e1\u3067\u304d\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u76f4\u8fd1\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308c\u3070\u554f\u984c\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u307e\u305f OS \u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u884c\u308f\u305a\u306b\u53e4\u3044\u307e\u307e\u5229\u7528\u3057\u3066\u3044\u308b\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u3042\u308b\u3044\u306f\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u4e0a\u554f\u984c\u306b\u306a\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u53ef\u80fd\u306a\u9650\u308a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<p>\u5229\u7528\u4e2d\u306e kernel \u3067 kdump \u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306f\u3001kernel \u3068\u540c\u6642\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u308b \/boot\/config-x.y.z-a.b.amzn2.x86_64 (x,y,z,a,b \u306f\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u8868\u3059\u6570\u5b57) \u30d5\u30a1\u30a4\u30eb\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ grep CRASH_DUMP \/boot\/config-$(uname -r)\r\nCONFIG_CRASH_DUMP=y\r\n<\/pre>\n<p>kdump \u7528\u306e kernel \u5c02\u7528\u306b\u30e1\u30e2\u30ea\u9818\u57df\u3092\u78ba\u4fdd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u30e1\u30e2\u30ea\u304c 1 GB \u4ee5\u4e0a\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3057\u3001\u30e1\u30e2\u30ea\u9818\u57df\u3092\u78ba\u4fdd\u3057\u305f\u7d50\u679c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3059\u308b\u30e1\u30e2\u30ea\u304c\u4e0d\u8db3\u3059\u308b\u3088\u3046\u306a\u5834\u5408\u306f\u3001\u5225\u9014\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30b5\u30a4\u30ba\u3082\u3057\u304f\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30bf\u30a4\u30d7\u306e\u5909\u66f4\u3092\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u30e1\u30e2\u30ea\u91cf\u306f\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ grep MemTotal \/proc\/meminfo\r\nMemTotal:        7865400 kB\r\n<\/pre>\n<p>\u306a\u304a\u78ba\u8a8d\u3057\u305f\u30e1\u30e2\u30ea\u306e\u91cf\u306f\u5f8c\u3067\u8a2d\u5b9a\u6642\u306b\u5fc5\u8981\u3068\u306a\u308b\u306e\u3067\u3001\u63a7\u3048\u3066\u304a\u3044\u3066\u4e0b\u3055\u3044\u3002<\/p>\n<h3 id=\"kexec-\u30c4\u30fc\u30eb\u306e\u5c0e\u5165\u3068\u8a2d\u5b9a\">kexec \u30c4\u30fc\u30eb\u306e\u5c0e\u5165\u3068\u8a2d\u5b9a<\/h3>\n<p>kdump \u306f\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u63a1\u53d6\u7528\u306e\u30ab\u30fc\u30cd\u30eb\u3078\u306e\u5207\u308a\u66ff\u3048\u306b kexec \u3068\u3044\u3046\u6a5f\u69cb\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u672c\u6765\u306f\u5b9f\u884c\u4e2d\u306b\u65b0\u3057\u3044\u30ab\u30fc\u30cd\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306e\u6a5f\u69cb\u3067\u3059\u304c\u3001kdump \u306e\u5207\u308a\u66ff\u3048\u7528\u306b\u3082\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u30c4\u30fc\u30eb\u306e\u5c0e\u5165\u81ea\u4f53\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u7c21\u5358\u306b\u884c\u3048\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ sudo yum install kexec-tools -y\r\n<\/pre>\n<h3 id=\"kernel-\u8d77\u52d5\u6642\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8ffd\u52a0\">kernel \u8d77\u52d5\u6642\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8ffd\u52a0<\/h3>\n<p>\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7 kernel \u7528\u306e\u5c02\u7528\u30e1\u30e2\u30ea\u9818\u57df\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u8d77\u52d5\u6642\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30aa\u30d7\u30b7\u30e7\u30f3\u306b &quot;crashkernel=&lt;\u30e1\u30e2\u30ea\u91cf&gt;&quot; \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u5fc5\u8981\u306a\u30e1\u30e2\u30ea\u91cf\u306f\u642d\u8f09\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u6570\u3084 CPU \u6570\u306a\u3069\u306b\u3088\u3063\u3066\u4ee3\u308f\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>\u5fc5\u8981\u306a\u30e1\u30e2\u30ea\u91cf\u306e\u76ee\u5b89\u306f\u3001\u4f8b\u3048\u3070redhat \u793e\u306e\u30b5\u30a4\u30c8\u304c\u53c2\u8003\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p><a href=\"https:\/\/access.redhat.com\/documentation\/ja-jp\/red_hat_enterprise_linux\/8\/html\/managing_monitoring_and_updating_the_kernel\/supported-kdump-configurations-and-targets_installing-and-configuring-kdump#memory-requirements-for-kdump_supported-kdump-configurations-and-targets\">\u300c\u30ab\u30fc\u30cd\u30eb\u306e\u7ba1\u7406\u3001\u76e3\u8996\u3001\u304a\u3088\u3073\u66f4\u65b0\u300d\/ 6. kdump \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u8a2d\u5b9a\/6.5. \u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b KDUMP \u306e\u8a2d\u5b9a\u3068\u30c0\u30f3\u30d7\u51fa\u529b\u5148\/6.5.1. kdump \u30e1\u30e2\u30ea\u30fc\u8981\u4ef6<\/a><\/p>\n<p>\u4e0a\u8a18\u3088\u308a\u4e00\u90e8\u3092\u629c\u7c8b\u3057\u307e\u3059\u3002<\/p>\n<table style=\"width:53%;\">\n<colgroup>\n<col style=\"width: 26%\" \/>\n<col style=\"width: 26%\" \/>\n<\/colgroup>\n<thead>\n<tr class=\"header\">\n<th>\u4f7f\u7528\u53ef\u80fd\u306a\u30e1\u30e2\u30ea<\/th>\n<th>\u6700\u5c0f\u4e88\u7d04\u30e1\u30e2\u30ea<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"odd\">\n<td>1GB \u304b\u3089 64GB<\/td>\n<td>160 MB \u306e\u30e1\u30e2\u30ea<\/td>\n<\/tr>\n<tr class=\"even\">\n<td>64GB \u304b\u3089 1TB<\/td>\n<td>256 MB \u306e\u30e1\u30e2\u30ea<\/td>\n<\/tr>\n<tr class=\"odd\">\n<td>1TB \u4ee5\u4e0a<\/td>\n<td>512 MB \u306e\u30e1\u30e2\u30ea<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30e1\u30e2\u30ea\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\"<a href=\"mailto:crashkernel=160M@16M\">crashkernel=160M@16M<\/a>\" \u306a\u3069\u306e\u3088\u3046\u306b\u6307\u5b9a\u3067\u304d\u307e\u3059\u304c\u3001\u901a\u5e38\u306f\u81ea\u52d5\u8a2d\u5b9a\u3067\u554f\u984c\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u8a2d\u5b9a\u306f \/etc\/default\/grub \u30d5\u30a1\u30a4\u30eb\u306e GRUB_CMDLINE_LINUX_DEFAULT \u3067\u59cb\u307e\u308b\u884c\u306b\u8a18\u8f09\u3057\u307e\u3059\u3002vim \u306a\u3069\u304a\u597d\u304d\u306a\u30a8\u30c7\u30a3\u30bf\u3092\u5229\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u5909\u66f4\u524d<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\nGRUB_CMDLINE_LINUX_DEFAULT=&quot;console=tty0 console=ttyS0,115200n8 net.ifnames=0 biosdevname=0 nvme_core.io_timeout=4294967295 rd.emergency=poweroff rd.shell=0&quot;\r\nGRUB_TIMEOUT=0\r\nGRUB_DISABLE_RECOVERY=&quot;true&quot;\r\n<\/pre>\n<p>\u5909\u66f4\u5f8c<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\nGRUB_CMDLINE_LINUX_DEFAULT=&quot;crashkernel=160M console=tty0 console=ttyS0,115200n8 net.ifnames=0 biosdevname=0 nvme_core.io_timeout=4294967295 rd.emergency=poweroff rd.shell=0&quot;\r\nGRUB_TIMEOUT=0\r\nGRUB_DISABLE_RECOVERY=&quot;true&quot;\r\n<\/pre>\n<p>GRUB2 \u306b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u8a2d\u5b9a\u3092\u53cd\u6620\u3055\u305b\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ sudo grub2-mkconfig -o \/boot\/grub2\/grub.cfg\r\n<\/pre>\n<p>\u3053\u3053\u307e\u3067\u8a2d\u5b9a\u3057\u305f\u3089\u4e00\u65e6\u518d\u8d77\u52d5\u3057\u307e\u3057\u3087\u3046<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ sudo shutdown -r now\r\n<\/pre>\n<h3 id=\"\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u51fa\u529b\u7528-ebs-\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u4f5c\u6210\u3068\u30a2\u30bf\u30c3\u30c1\">\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u51fa\u529b\u7528 EBS \u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u4f5c\u6210\u3068\u30a2\u30bf\u30c3\u30c1<\/h3>\n<p>\u51fa\u529b\u3055\u308c\u308b\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u30e1\u30e2\u30ea\u3068\u540c\u7b49\u304b\u305d\u308c\u4ee5\u4e0a\u306e\u30b5\u30a4\u30ba\u304c\u51fa\u529b\u3055\u308c\u308b\u305f\u3081\u3001\u30e1\u30e2\u30ea\u306e\u4f7f\u7528\u72b6\u6cc1\u306b\u3088\u308a\u307e\u3059\u304c\u3001\u975e\u5e38\u306b\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u304c\u51fa\u529b\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5727\u8feb\u3057\u305f\u308a\u3001\u51fa\u529b\u3059\u308b\u9818\u57df\u304c\u4e0d\u8db3\u3057\u3066\u5168\u3066\u306e\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u51fa\u305b\u306a\u3044\u5834\u5408\u3082\u60f3\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u5c02\u7528\u306e\u51fa\u529b\u9818\u57df\u3092\u78ba\u4fdd\u3057\u305f\u65b9\u304c\u4e00\u822c\u7684\u306b\u306f\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u306a\u304a\u3001\u51fa\u529b\u3055\u308c\u308b\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306f\u6700\u5927\u642d\u8f09\u30e1\u30e2\u30ea\u91cf\u3068\u8ffd\u52a0\u30d8\u30c3\u30c0\u90e8\u5206\u304c\u51fa\u529b\u3055\u308c\u308b\u306e\u3067\u3001\u30e1\u30e2\u30ea\u306e\u4f7f\u7528\u72b6\u6cc1\u3084\u30c0\u30f3\u30d7\u51fa\u529b\u30d5\u30a3\u30eb\u30bf\u306e\u6307\u5b9a\u3001\u5727\u7e2e\u306e\u6709\u7121\u306a\u3069\u306b\u3088\u308a\u307e\u3059\u304c\u3001\u642d\u8f09\u30e1\u30e2\u30ea\u3088\u308a\u3082\u5927\u304d\u304f\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u79c1\u306f\u500b\u4eba\u7684\u306b\u306f\u5c11\u3057\u4f59\u88d5\u3092\u6301\u3063\u3066\u642d\u8f09\u30e1\u30e2\u30ea\u306e\u3056\u3063\u304f\u308a\u500d\u7a0b\u5ea6\u306e\u9818\u57df\u3092\u78ba\u4fdd\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30c0\u30f3\u30d7\u51fa\u529b\u306e EBS \u30dc\u30ea\u30e5\u30fc\u30e0\u3092\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u69d8\u306a\u624b\u9806\u3067\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n#1. \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9 ID \u306e\u78ba\u8a8d\r\n$ echo $(curl -s http:\/\/169.254.169.254\/latest\/meta-data\/instance-id )\r\ni-05f53abe650333443\r\n\r\n#2. \u30ea\u30fc\u30b8\u30e7\u30f3\u3068 AZ \u306e\u78ba\u8a8d\r\n$ echo $(curl -s http:\/\/169.254.169.254\/latest\/meta-data\/placement\/availability-zone )\r\nus-west-2b\r\n\r\n#3. EBS \u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u78ba\u4fdd\r\n$ aws ec2 create-volume --region us-west-2 --availability-zone us-west-2b --size 16\r\n{\r\n    &quot;AvailabilityZone&quot;: &quot;us-west-2b&quot;,\r\n    &quot;Tags&quot;: &#x5B;],\r\n    &quot;Encrypted&quot;: false,\r\n    &quot;VolumeType&quot;: &quot;gp2&quot;,\r\n    &quot;VolumeId&quot;: &quot;vol-04b91d2b13301a724&quot;,\r\n    &quot;State&quot;: &quot;creating&quot;,\r\n    &quot;Iops&quot;: 100,\r\n    &quot;SnapshotId&quot;: &quot;&quot;,\r\n    &quot;CreateTime&quot;: &quot;2019-09-06T07:47:37.000Z&quot;,\r\n    &quot;Size&quot;: 16\r\n}\r\n\r\n#4. EBS \u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u72b6\u614b\u78ba\u8a8d \r\n#   &quot;State:&quot; \u304c &quot;available&quot; \u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\r\n\r\n$ aws ec2 describe-volumes --region us-west-2 --volume-ids vol-04b91d2b13301a724\r\n{\r\n    &quot;Volumes&quot;: &#x5B;\r\n        {\r\n            &quot;AvailabilityZone&quot;: &quot;us-west-2b&quot;,\r\n            &quot;Attachments&quot;: &#x5B;],\r\n            &quot;Encrypted&quot;: false,\r\n            &quot;VolumeType&quot;: &quot;gp2&quot;,\r\n            &quot;VolumeId&quot;: &quot;vol-04b91d2b13301a724&quot;,\r\n            &quot;State&quot;: &quot;available&quot;,\r\n            &quot;Iops&quot;: 100,\r\n            &quot;SnapshotId&quot;: &quot;&quot;,\r\n            &quot;CreateTime&quot;: &quot;2019-09-06T07:47:37.496Z&quot;,\r\n            &quot;Size&quot;: 16\r\n        }\r\n    ]\r\n}\r\n\r\n#5. \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30c7\u30d0\u30a4\u30b9\u540d\u306e\u78ba\u8a8d\r\n#   jq \u30b3\u30de\u30f3\u30c9\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\r\n#   &quot;sudo yum install -y jq&quot; \u30b3\u30de\u30f3\u30c9\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\r\n\r\n$ aws ec2 describe-instances --region us-west-2 --instance-ids i-05f53abe650333443 | jq '.Reservations&#x5B;].Instances&#x5B;].BlockDeviceMappings&#x5B;]'\r\n{\r\n  &quot;DeviceName&quot;: &quot;\/dev\/xvda&quot;,\r\n  &quot;Ebs&quot;: {\r\n    &quot;Status&quot;: &quot;attached&quot;,\r\n    &quot;DeleteOnTermination&quot;: true,\r\n    &quot;VolumeId&quot;: &quot;vol-0af9ffecc8ef2d2c0&quot;,\r\n    &quot;AttachTime&quot;: &quot;2019-09-02T06:12:33.000Z&quot;\r\n  }\r\n}\r\n\r\n#6. \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3078\u306e\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u30a2\u30bf\u30c3\u30c1\r\n#   \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u5229\u7528\u3067\u304d\u308b\u30c7\u30d0\u30a4\u30b9\u540d\u306f \/dev\/sd&#x5B;f-p]* \r\n#   \u3082\u3057\u304f\u306f \/dev\/xvd&#x5B;f-p]* \u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u3002\r\n#   \/dev\/sd&#x5B;b-e] \u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30b9\u30c8\u30a2\u30dc\u30ea\u30e5\u30fc\u30e0\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\r\n#   https:\/\/docs.aws.amazon.com\/ja_jp\/AWSEC2\/latest\/UserGuide\/device_naming.html\r\n\r\n$ aws ec2 attach-volume --region us-west-2 --instance-id i-05f53abe650333443 --volume-id vol-04b91d2b13301a724 --device \/dev\/xvdf\r\n{\r\n    &quot;AttachTime&quot;: &quot;2019-09-24T06:03:22.799Z&quot;,\r\n    &quot;InstanceId&quot;: &quot;i-05f53abe650333443&quot;,\r\n    &quot;VolumeId&quot;: &quot;vol-04b91d2b13301a724&quot;,\r\n    &quot;State&quot;: &quot;attaching&quot;,\r\n    &quot;Device&quot;: &quot;\/dev\/xvdf&quot;\r\n}\r\n\r\n#7. \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u30a2\u30bf\u30c3\u30c1\u51fa\u6765\u305f\u3053\u3068\u3092\u78ba\u8a8d\r\n$ aws ec2 describe-instances --region us-west-2 --instance-ids i-05f53abe650333443 | jq '.Reservations&#x5B;].Instances&#x5B;].BlockDeviceMappings&#x5B;]'\r\n{\r\n  &quot;DeviceName&quot;: &quot;\/dev\/xvda&quot;,\r\n  &quot;Ebs&quot;: {\r\n    &quot;Status&quot;: &quot;attached&quot;,\r\n    &quot;DeleteOnTermination&quot;: true,\r\n    &quot;VolumeId&quot;: &quot;vol-0af9ffecc8ef2d2c0&quot;,\r\n    &quot;AttachTime&quot;: &quot;2019-09-02T06:12:33.000Z&quot;\r\n  }\r\n}\r\n{\r\n  &quot;DeviceName&quot;: &quot;\/dev\/xvdf&quot;,\r\n  &quot;Ebs&quot;: {\r\n    &quot;Status&quot;: &quot;attached&quot;,\r\n    &quot;DeleteOnTermination&quot;: false,\r\n    &quot;VolumeId&quot;: &quot;vol-04b91d2b13301a724&quot;,\r\n    &quot;AttachTime&quot;: &quot;2019-09-24T06:03:22.000Z&quot;\r\n  }\r\n}\r\n<\/pre>\n<h3 id=\"\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u4f5c\u6210\u3068\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\">\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u4f5c\u6210\u3068\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/h3>\n<p>\u4ee5\u4e0b\u901a\u5e38\u306e Linux \u3067\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u4f5c\u6210\u3068\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3059\u3002\u7279\u306b\u7406\u7531\u304c\u306a\u3051\u308c\u3070\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066 ext4 \u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n#1 \u30c7\u30d0\u30a4\u30b9\u540d\u306e\u78ba\u8a8d\r\n$ ls -l \/dev\/xvdf\r\nlrwxrwxrwx 1 root root 7 Sep 24 06:03 \/dev\/xvdf -&gt; nvme1n1\r\n\r\n#2 \u5ff5\u306e\u70ba\u30c7\u30b9\u30af\u304c\u7a7a\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\r\n#  \u4f5c\u6210\u3057\u305f\u3070\u304b\u308a\u306a\u306e\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u3002\r\n$ sudo file -s \/dev\/nvme1n1\r\n\/dev\/nvme1n1: data\r\n\r\n#3 GPT\u30e9\u30d9\u30eb\u306e\u4f5c\u6210\r\n$ sudo parted \/dev\/nvme1n1 mklabel gpt\r\nInformation: You may need to update \/etc\/fstab.\r\n\r\n#4 \u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u4f5c\u6210\r\n$ sudo parted \/dev\/nvme1n1 mkpart primary 0% 100%\r\nInformation: You may need to update \/etc\/fstab.\r\n\r\n#5 \u78ba\u8a8d\r\n# \u4e0a\u8a18\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u5b9f\u884c\u3057\u305f\u5834\u5408\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u524d\u5f8c\u306b 1MB \u7a0b\u5ea6\u306e\u4f7f\u7528\u3055\u308c\u306a\u3044\u9818\u57df\u304c\u3067\u304d\u308b\u3002\r\n# \u901a\u5e38\u305d\u306e\u307e\u307e\u3067\u554f\u984c\u306a\u3044\u3068\u601d\u308f\u308c\u308b\u304c\u3001\u6c17\u306b\u306a\u308b\u5834\u5408\u306f\r\n# \u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u4f5c\u6210\u6642\u306b &quot;-a none&quot; \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3068\u56de\u907f\u3067\u304d\u308b\r\n$ sudo parted \/dev\/nvme1n1 print free\r\nModel: NVMe Device (nvme)\r\nDisk \/dev\/nvme1n1: 17.2GB\r\nSector size (logical\/physical): 512B\/512B\r\nPartition Table: gpt\r\nDisk Flags:\r\n\r\nNumber  Start   End     Size    File system  Name     Flags\r\n        17.4kB  1049kB  1031kB  Free Space\r\n 1      1049kB  17.2GB  17.2GB               primary\r\n        17.2GB  17.2GB  1032kB  Free Space\r\n\r\n#6 \u30d5\u30a9\u30fc\u30de\u30c3\u30c8\r\n#  \u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u4ee5\u524d\u306b\u30d7\u30ec\u30a6\u30a9\u30fc\u30df\u30f3\u30b0\u3057\u3066\u3082\u826f\u3044\u304c\u3053\u3053\u3067\u306f\u7701\u7565\u3059\u308b\u3002\r\n#  \u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f\u8272\u3005\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304c\u3001\u3053\u3053\u3067\u306f\u30d6\u30fc\u30c8\u30c7\u30a3\u30b9\u30af\u306b\u5408\u308f\u305b\u3066 xfs \u3068\u3057\u305f\r\n\r\n$ sudo mkfs -t xfs \/dev\/nvme1n1p1\r\nmeta-data=\/dev\/nvme1n1p1         isize=512    agcount=4, agsize=1048448 blks\r\n         =                       sectsz=512   attr=2, projid32bit=1\r\n         =                       crc=1        finobt=1, sparse=0\r\ndata     =                       bsize=4096   blocks=4193792, imaxpct=25\r\n         =                       sunit=0      swidth=0 blks\r\nnaming   =version 2              bsize=4096   ascii-ci=0 ftype=1\r\nlog      =internal log           bsize=4096   blocks=2560, version=2\r\n         =                       sectsz=512   sunit=0 blks, lazy-count=1\r\nrealtime =none                   extsz=4096   blocks=0, rtextents=0\r\n<\/pre>\n<h3 id=\"etcfstab-\u3078\u306e\u767b\u9332\">\/etc\/fstab \u3078\u306e\u767b\u9332<\/h3>\n<p>\/etc\/fstab \u306b\u8a18\u8f09\u3059\u308b\u306b\u3042\u305f\u3063\u3066\u3001blkid \u30b3\u30de\u30f3\u30c9\u3067\u5bfe\u8c61\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e UUID \u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002Linux \u3067\u306f\u518d\u8d77\u52d5\u6642\u306b\u30c7\u30d0\u30a4\u30b9\u540d\u3068\u5b9f\u969b\u306e\u5bfe\u5fdc\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u304c\u5165\u308c\u66ff\u308f\u308b\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u56fa\u6709\u306eID\u3067\u3042\u308b\u3001UUID\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ sudo blkid -p -s UUID \/dev\/nvme1n1p1\r\n\/dev\/nvme1n1p1: UUID=&quot;fe8b48c9-d4f1-4303-b35e-24978f199ada&quot;\r\n<\/pre>\n<p>\/etc\/fstab \u306b\u4ee5\u4e0b\u306e\uff11\u884c\u3092\u8ffd\u8a18\u3057\u307e\u3059\u3002UUID \u306f\u5148\u307b\u3069\u78ba\u8a8d\u3057\u305f\u5024\u3067\u7f6e\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\nUUID=fe8b48c9-d4f1-4303-b35e-24978f199ada     \/var\/crash  xfs    defaults,noatime  1   1\r\n<\/pre>\n<p>\u8a18\u8f09\u5185\u5bb9\u306b\u8aa4\u308a\u304c\u306a\u3044\u304b mount -a \u30b3\u30de\u30f3\u30c9\u306a\u3069\u3067\u6b63\u5e38\u306b\u30de\u30a6\u30f3\u30c8\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3 id=\"etckdump.conf-\u306e\u8a2d\u5b9a\">\/etc\/kdump.conf \u306e\u8a2d\u5b9a<\/h3>\n<p>kdump \u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u3001\/etc\/kdump.conf \u3092\u7de8\u96c6\u3057\u307e\u3059\u3002 \u6700\u4f4e\u9650\u4ee5\u4e0b\u306e\uff13\u884c\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002\"#\" (\u30b7\u30e3\u30fc\u30d7) \u8a18\u53f7\u306f\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3067\u3059\u3002 \u8a73\u7d30\u306f man 5 kdump.conf \u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n# \u51fa\u529b\u5148\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e UUID\r\n# UUID \u306f \/etc\/fstab \u306b\u8a18\u8f09\u3057\u305f\u3082\u306e\u3068\u540c\u3058\r\n\u3000\r\nxfs UUID=fe8b48c9-d4f1-4303-b35e-24978f199ada\r\n\r\n# \u51fa\u529b\u5148\u306e\u30d1\u30b9\r\n# \u51fa\u529b\u5148\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30eb\u30fc\u30c8\u304b\u3089\u8a18\u8f09\u3059\u308b\u3002\r\n# \u4eca\u56de\u306f\u5c02\u7528\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u7528\u610f\u3057\u3066\u3044\u308b\u306e\u3067 &quot;\/&quot;\r\n\r\npath \/\r\n\r\n# \u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210\u3059\u308b\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u306e\u6307\u5b9a\r\n# \u901a\u5e38\u306f\u3001makedumpfile \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3002\r\n# makedumpfile \u306e\u8a73\u7d30\u306f man 8 makedumpfile \u3092\u53c2\u7167\r\n\r\ncore_collector makedumpfile -c -d 0\r\n\r\n# \u3053\u3053\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\r\n# -c zlib \u3067\u5727\u7e2e\r\n# -d \u30c0\u30f3\u30d7\u51fa\u529b\u6642\u306b\u7701\u7565\u3059\u308b\u30e1\u30e2\u30ea\u9818\u57df\u30020 \u3067\u7701\u7565\u3057\u306a\u3044\r\n<\/pre>\n<p>\u305d\u306e\u307b\u304b\u306b\u30e6\u30fc\u30b6\u3068\u3057\u3066\u8208\u5473\u6df1\u3044\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u3001\u30c0\u30f3\u30d7\u51fa\u529b\u5f8c\u306b\u30ea\u30d6\u30fc\u30c8\u3059\u308b\u304b\u3001\u505c\u6b62\u3059\u308b\u304b\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u6307\u5b9a\u3057\u306a\u3044\u5834\u5408\u306f\u30ea\u30d6\u30fc\u30c8\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6307\u5b9a\u3057\u305f\u5834\u5408\u306f\u518d\u8d77\u52d5\u305b\u305a\u505c\u6b62\u3057\u307e\u3059\u3002\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u8ab2\u91d1\u3092\u907f\u3051\u308b\u305f\u3081\u306b halt \u3067\u306f\u306a\u304f poweroff \u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\ndefault poweroff\r\n<\/pre>\n<h3 id=\"etcsysctl.conf-\u306e\u8a2d\u5b9a\">\/etc\/sysctl.conf \u306e\u8a2d\u5b9a<\/h3>\n<p>NMI \u306b\u3088\u308b\u30d1\u30cb\u30c3\u30af\u3092\u6709\u52b9\u306b\u3059\u308b\u305f\u3081\u306b\u3001sysctl \u306e\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002\u4ee5\u524d\u306f \/etc\/sysctl.conf \u306b\u76f4\u63a5\u8a18\u8f09\u3059\u308b\u5f62\u5f0f\u304c\u4e3b\u6d41\u3067\u3057\u305f\u304c\u3001\u73fe\u5728\u306f \/etc\/sysctl.d\/ \u914d\u4e0b\u306b\u8a2d\u5b9a\u3054\u3068\u306b\u56fa\u6709\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3066\u8a18\u8f09\u3059\u308b\u5f62\u5f0f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f \"99-kernel_panic.conf\" \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4ee5\u4e0b\u306e\u5185\u5bb9\u3092\u8a18\u8f09\u3057\u307e\u3057\u305f\u3002\u8a18\u8f09\u306b\u3042\u305f\u3063\u3066\u306f\u30b9\u30fc\u30d1\u30fc\u30e6\u30fc\u30b6(root)\u6a29\u9650\u304c\u5fc5\u8981\u3068\u306a\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\nkernel.unknown_nmi_panic=1\r\n<\/pre>\n<p>\u305f\u3060\u6298\u89d2 kdump \u3092\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u305f\u306e\u3067\u4ed6\u306e\u4e0d\u5177\u5408\u3067\u3082\u30c0\u30f3\u30d7\u51fa\u529b\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u305f\u65b9\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002\u73fe\u5728\u306e\u30ab\u30fc\u30cd\u30eb\u3067\u5229\u7528\u3067\u304d\u308b\u30c0\u30f3\u30d7\u95a2\u4fc2\u306e\u8a2d\u5b9a\u306f\u4ee5\u4e0b\u306e\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306b kernel \u6dfb\u4ed8\u6587\u66f8\u306e sysctl\/kernel.txt \u304b\u3089\u5f15\u7528\u3057\u307e\u3059\u3002<\/p>\n<dl>\n<dt>kernel.hardlockup_panic<\/dt>\n<dd>\u30cf\u30fc\u30c9\u30ed\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u691c\u51fa\u3057\u305f\u5834\u5408\u306b\u30d1\u30cb\u30c3\u30af\u3059\u308b\u304b\u3069\u3046\u304b<br \/>\n0 - \u30cf\u30fc\u30c9\u30ed\u30c3\u30af\u30a2\u30c3\u30d7\u6642\u306b\u30d1\u30cb\u30c3\u30af\u3057\u306a\u3044(\u30c7\u30d5\u30a9\u30eb\u30c8)<br \/>\n1 - \u30cf\u30fc\u30c9\u30ed\u30c3\u30af\u30a2\u30c3\u30d7\u6642\u306b\u30d1\u30cb\u30c3\u30af\u3059\u308b\n<\/dd>\n<dt>kernel.hung_task_panic<\/dt>\n<dd>\u30cf\u30f3\u30b0\u30bf\u30b9\u30af\u3092\u691c\u51fa\u3057\u305f\u969b\u306b\u30d1\u30cb\u30c3\u30af\u3059\u308b\u304b\u3069\u3046\u304b<br \/>\n0 - \u51e6\u7406\u3092\u7d99\u7d9a\u3059\u308b(\u30c7\u30d5\u30a9\u30eb\u30c8)<br \/>\n1 - \u76f4\u3061\u306b\u30d1\u30cb\u30c3\u30af\u3059\u308b\n<\/dd>\n<dt>kernel.panic<\/dt>\n<dd>\u30d1\u30cb\u30c3\u30af\u6642\u306b\u518d\u8d77\u52d5\u3059\u308b\u307e\u3067\u306e\u79d2\u6570\n<\/dd>\n<dt>kernel.panic_on_io_nmi<\/dt>\n<dd>IO \u30a8\u30e9\u30fc\u306b\u3088\u308b NMI \u3092 CPU \u304c\u53d7\u4fe1\u3057\u305f\u6642\u306b\u30ab\u30fc\u30cd\u30eb\u306e\u632f\u308b\u821e\u3044\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3002<br \/>\n0 - \u51e6\u7406\u3092\u7d99\u7d9a\u3059\u308b\u3088\u3046\u306b\u8a66\u307f\u308b(\u30c7\u30d5\u30a9\u30eb\u30c8)<br \/>\n1 - \u76f4\u3061\u306b\u30d1\u30cb\u30c3\u30af\u3059\u308b\u3002IO \u30a8\u30e9\u30fc\u304c NMI \u3092\u30c8\u30ea\u30ac\u30fc\u3057\u305f\u3068\u3044\u3046\u3053\u3068\u306f\u3001IO \u30c7\u30fc\u30bf\u7834\u58ca\u3092\u5f15\u304d\u8d77\u3053\u3059\u6df1\u523b\u306a\u30b7\u30b9\u30c6\u30e0\u72b6\u614b\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u51e6\u7406\u3092\u7d99\u7d9a\u3059\u308b\u3088\u308a\u3082\u30d1\u30cb\u30c3\u30af\u3059\u308b\u65b9\u304c\u826f\u3044\u9078\u629e\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u3044\u304f\u3064\u304b\u306e\u30b5\u30fc\u30d0\u306f\u30c0\u30f3\u30d7\u30dc\u30bf\u30f3\u304c\u62bc\u3055\u308c\u305f\u5834\u5408\u306b\u3053\u306e\u7a2e\u985e\u306eNMI\u3092\u767a\u884c\u3059\u308b\u306e\u3067\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u3092\u63a1\u53d6\u3059\u308b\u306e\u306b\u5229\u7528\u3067\u304d\u308b\u3002\n<\/dd>\n<dt>kernel.panic_on_oops<\/dt>\n<dd>oops(kernel \u306e\u30a8\u30e9\u30fc) \u3082\u3057\u304f\u306f BUG() \u95a2\u6570\u304c\u5b9f\u884c\u3055\u308c\u305f\u5834\u5408\u306b\u30ab\u30fc\u30cd\u30eb\u306e\u632f\u308b\u821e\u3044\u3092\u5236\u5fa1\u3059\u308b<br \/>\n0 - \u51e6\u7406\u306e\u7d99\u7d9a\u3092\u8a66\u307f\u308b(\u30c7\u30d5\u30a9\u30eb\u30c8)<br \/>\n1 - \u76f4\u3061\u306b\u30d1\u30cb\u30c3\u30af\u3059\u308b\u3002kernel.panic\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u30bc\u30ed\u4ee5\u5916\u306a\u3089\u3070\u30de\u30b7\u30f3\u306f\u518d\u8d77\u52d5\u3059\u308b\n<\/dd>\n<dt>kernel.panic_on_rcu_stall<\/dt>\n<dd>1 \u306b\u8a2d\u5b9a\u3059\u308b\u3068RCU (kernel \u3067\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u6392\u4ed6\u5236\u5fa1\u6a5f\u69cb\u306e\u4e00\u7a2e) \u304c\u30b9\u30c8\u30fc\u30eb(\u505c\u6b62) \u3057\u3066\u3044\u308b\u306e\u3092\u691c\u51fa\u3057\u305f\u6642\u306b panic() \u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3002 RCU\u30b9\u30c8\u30fc\u30eb\u306e\u6839\u672c\u539f\u56e0\u3092\u78ba\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064<br \/>\n0 - RCU \u30b9\u30c8\u30fc\u30eb\u304c\u767a\u751f\u3057\u3066\u3082 panic()\u3092\u547c\u3070\u306a\u3044(\u30c7\u30d5\u30a9\u30eb\u30c8)<br \/>\n1 - RCU \u30b9\u30c8\u30fc\u30eb\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3057\u3066 panic() \u3092\u547c\u3076\n<\/dd>\n<dt>kernel.panic_on_stackoverflow<\/dt>\n<dd>\u30e6\u30fc\u30b6\u30b9\u30bf\u30c3\u30af\u3092\u9664\u304f\u3001kernel\u3001IRQ\u3001\u4f8b\u5916\u30b9\u30bf\u30c3\u30af\u306e\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3092\u691c\u51fa\u3057\u305f\u6642\u306e\u30ab\u30fc\u30cd\u30eb\u306e\u6319\u52d5\u3092\u5236\u5fa1\u3059\u308b\u3002<br \/>\n0 - \u51e6\u7406\u306e\u7d99\u7d9a\u3092\u8a66\u307f\u308b(\u30c7\u30d5\u30a9\u30eb\u30c8)<br \/>\n1 - \u76f4\u3061\u306b\u30d1\u30cb\u30c3\u30af\u3059\u308b\n<\/dd>\n<dt>kernel.panic_on_unrecovered_nmi<\/dt>\n<dd>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e Linux \u3067\u30e1\u30e2\u30ea\u3082\u3057\u304f\u306f\u672a\u77e5\u306e NMI \u3092\u691c\u51fa\u3057\u305f\u969b\u306e\u52d5\u4f5c\u306f\u51e6\u7406\u306e\u7d99\u7d9a\u3067\u3042\u308b\u3002\u79d1\u5b66\u8a08\u7b97\u306e\u3088\u3046\u306a\u591a\u304f\u306e\u74b0\u5883\u3067\u306f\u3001\u8a02\u6b63\u4e0d\u80fd\u306aECC\u3084\u30d1\u30ea\u30c6\u30a3\u30a8\u30e9\u30fc\u304c\u5e83\u304c\u308b\u3088\u308a\u3082\u3001\u7b50\u4f53\u304c\u53d6\u308a\u51fa\u3055\u308c\u30a8\u30e9\u30fc\u304c\u9069\u5207\u306b\u51e6\u7406\u3055\u308c\u308b\u3053\u3068\u304c\u597d\u307e\u308c\u308b\u3002<br \/>\n\u4e00\u90e8\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u30d1\u30ef\u30fc\u30de\u30cd\u30b8\u30e1\u30f3\u30c8\u306e\u3088\u3046\u306a\u5947\u5999\u3067\u6839\u62e0\u306e\u306a\u3044\u7406\u7531\u3067 NMI \u3092\u751f\u6210\u3059\u308b\u306e\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u30aa\u30d5\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u3053\u306e sysctl \u306f\u65e2\u5b58\u306e\u30d1\u30cb\u30c3\u30af\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3068\u540c\u3058\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u3002\n<\/dd>\n<dt>kernel.panic_on_warn<\/dt>\n<dd>1 \u306b\u30bb\u30c3\u30c8\u3059\u308b\u3068 WARN() \u95a2\u6570\u5185\u3067 panic()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3002WARN() \u306e\u7b87\u6240\u3067 kdump \u3092\u8a66\u307f\u305f\u3044\u6642\u306b kernel \u306e\u518d\u69cb\u7bc9\u3092\u7701\u304f\u306e\u306b\u5f79\u7acb\u3064\u3002<br \/>\n0 - WARN() \u3060\u3051\u5b9f\u884c\u3059\u308b(\u30c7\u30d5\u30a9\u30eb\u30c8) 1 - WARN() \u306e\u5834\u6240\u3092\u51fa\u529b\u3057\u305f\u5f8c\u3067 panic() \u3092\u547c\u3073\u51fa\u3059\u3002\n<\/dd>\n<dt>kernel.softlockup_panic<\/dt>\n<dd>\u30bd\u30d5\u30c8\u30ed\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u691c\u51fa\u3057\u305f\u5834\u5408\u306b\u30d1\u30cb\u30c3\u30af\u3059\u308b\u304b\u3069\u3046\u304b<br \/>\n0 - \u30bd\u30d5\u30c8\u30ed\u30c3\u30af\u30a2\u30c3\u30d7\u6642\u306b\u30d1\u30cb\u30c3\u30af\u3057\u306a\u3044(\u30c7\u30d5\u30a9\u30eb\u30c8)<br \/>\n1 - \u30bd\u30d5\u30c8\u30ed\u30c3\u30af\u30a2\u30c3\u30d7\u6642\u306b\u30d1\u30cb\u30c3\u30af\u3059\u308b\n<\/dd>\n<\/dl>\n<p>\u4e0a\u8a18\u306e\u3046\u3061\u30b5\u30a4\u30c8\u306e\u30ec\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u3082\u3088\u308a\u307e\u3059\u304c\u3001\"kernel.panic_on_oops\" \u3050\u3089\u3044\u306f\u6709\u52b9\u306b\u3057\u3066\u304a\u3044\u305f\u307b\u3046\u304c\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u3053\u307e\u3067\u8a2d\u5b9a\u3057\u305f\u3089\u3001\u518d\u5ea6\u8a2d\u5b9a\u3092\u53cd\u6620\u3055\u305b\u308b\u305f\u3081\u306b\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"aws-cli\u306e\u6700\u65b0\u5316\">AWS CLI\u306e\u6700\u65b0\u5316<\/h2>\n<p>2019\u5e7410\u67083\u65e5\u73fe\u5728 Amazon Linux 2 \u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u3068\u3057\u3066\u914d\u5e03\u3055\u308c\u3066\u3044\u308b\u3001AWS CLI \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306faws-cli\/1.16.102,botocore\/1.12.92 \u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057 send-diagnostic-interrupt \u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u306f aws-cli\/1.16.218,botocore\/1.12.208 \u4ee5\u964d\u304b\u3089\u5229\u7528\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u672c\u7a3f\u4f5c\u6210\u6642\u70b9\u3067\u306f pip \u7b49\u3092\u5229\u7528\u3057\u3066 AWS CLI \u306e\u6700\u65b0\u7248\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u5f8c\u3067\u7c21\u5358\u306b\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u308b\u3088\u3046\u306b\u3001virtualenv \u30b3\u30de\u30f3\u30c9\u3092\u5229\u7528\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u4ed6\u306e python \u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u7af6\u5408\u3057\u306a\u3044\u3068\u304b\u7279\u306b\u8ffd\u52a0\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u3053\u3060\u308f\u308a\u304c\u306a\u3044\u3088\u3046\u306a\u5834\u5408\u306f \"pip install awscli\" \u3068\u3057\u3066\u76f4\u63a5\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3082\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n#1 \u5fc5\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\r\n$ sudo yum install -y python2-pip python-virtualenv\r\n\r\n#2 \u4eee\u60f3\u74b0\u5883\u306e\u4f5c\u6210\r\n$ virtualenv awscli\r\nNew python executable in \/home\/ec2-user\/awscli\/bin\/python\r\nInstalling setuptools, pip, wheel...done.\r\n\r\n#3 \u4eee\u60f3\u74b0\u5883\u914d\u4e0b\u306b\u79fb\u52d5\r\n$ cd awscli\r\n\r\n#4 \u4eee\u60f3\u74b0\u5883\u306e\u6709\u52b9\u5316\r\n$ source bin\/activate\r\n\r\n#5 awscli \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\r\n$ pip install awscli\r\n(\u9577\u3044\u306e\u3067\u7701\u7565)\r\n<\/pre>\n<p>\u3053\u308c\u3067 send-diagnostic-interrupt \u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"send-diagnostic-interrupt-\u306e\u5b9f\u884c\">send-diagnostic-interrupt \u306e\u5b9f\u884c<\/h2>\n<p>\u3053\u3053\u307e\u3067\u304f\u308b\u3068\u5b9f\u969b\u306b\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u3092\u63a1\u53d6\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002 \u5b9f\u969b\u306b NMI \u3092\u9001\u4fe1\u3057\u3066\u63a1\u53d6\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9 id \u7b49\u306f\u5404\u81ea\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u8aad\u307f\u66ff\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$  aws ec2 send-diagnostic-interrupt --region us-west-2 --instance-id i-05f53abe650333443\r\n<\/pre>\n<p>\u3082\u3057\u8a72\u5f53\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b ssh \u63a5\u7d9a\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u518d\u8d77\u52d5\u3059\u308b\u306e\u3067\u63a5\u7d9a\u304c\u5207\u65ad\u3055\u308c\u307e\u3059\u3002 \/etc\/kdump.conf \u3067 default \u884c\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u81ea\u52d5\u7684\u306b\u518d\u8d77\u52d5\u3059\u308b\u306e\u3067\u3057\u3070\u3089\u304f\u5f85\u3063\u3066\u304b\u3089\u518d\u63a5\u7d9a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ aws ec2 get-console-output --instance-id i-05f53abe650333443 --region us-west-2 | jq -r .Output \r\n<\/pre>\n<p>kdump \u304c\u6b63\u5e38\u306b\u5b9f\u884c\u3055\u308c\u305f\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30ed\u30b0\u51fa\u529b\u304c\u898b\u53d7\u3051\u3089\u308c\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n........\r\n         Starting Kdump Vmcore Save Service...\r\nkdump: dump target is \/dev\/nvme1n1p1\r\nkdump: saving to \/kdumproot\/var\/crash\/\/\/127.0.0.1-2019-10-03-07:47:45\/\r\nkdump: saving vmcore-dmesg.txt\r\nkdump: saving vmcore-dmesg.txt complete\r\nkdump: saving vmcore\r\nCopying da&#x5B;2019-10-03T07:47:55.314625]ta                                      : &#x5B;  9.3 %] \/Copying data         &#x5B;2019-10-03T07:48:07.314659]                             : &#x5B; 21.7 %] \/Copying data                    &#x5B;2019-10-03T07:48:19.314715]                  : &#x5B; 34.1 %] \/Copying data                               &#x5B;2019-10-03T07:48:31.314760]       : &#x5B; 46.4 %] \/Copying data                                      : &#x5B; &#x5B;2019-10-03T07:48:43.314894]58.8 %] \/Copying data                                      : &#x5B; 71.2 %] \/  &#x5B;2019-10-03T07:48:55.31494Copying data                                      : &#x5B; 83.6 %] \/          eta&#x5B;2019-10-03T07:Copyi&#x5B;2019-10-03T07:49:20.314941]ng data                                      : &#x5B; 92.5 %] |Copying data    &#x5B;2019-10-03T07:49:32.314960]                                  : &#x5B; 98.0 %] |Copying data                                      : &#x5B;100.0 %] |           eta: 0s\r\n\r\nThe dumpfile is saved to \/kdumproot\/var\/crash\/\/\/127.0.0.1-2019-10-03-07:47:45\/vmcore-incomplete.\r\n\r\nmakedumpfile Completed.\r\nkdump: saving vmcore complete\r\n........\r\n<\/pre>\n<h2 id=\"\u51fa\u529b\u3055\u308c\u305f\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u306e\u78ba\u8a8d\">\u51fa\u529b\u3055\u308c\u305f\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u306e\u78ba\u8a8d<\/h2>\n<p>\u51fa\u529b\u3055\u308c\u305f\u30c0\u30f3\u30d7\u30d5\u30a1\u30a4\u30eb\u306f\u3001\/var\/crash \u914d\u4e0b\u306b\u3001\"127.0.0.1-\u65e5\u4ed8-\u6642\u523b\"\u306e\u5f62\u5f0f\u3067\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u4f5c\u6210\u3055\u308c\u3001\u305d\u306e\u4e2d\u306b vmcore \u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ ls \/var\/crash\r\n127.0.0.1-2019-10-03-07:47:45\r\n$ ls \/var\/crash\/127.0.0.1-2019-10-03-07\\:47\\:45\/\r\nvmcore  vmcore-dmesg.txt\r\n<\/pre>\n<p>vmcore \u30d5\u30a1\u30a4\u30eb\u8abf\u67fb\u3059\u308b\u305f\u3081\u306b\u306f\u3001crash \u30b3\u30de\u30f3\u30c9\u3068 kernel \u306e\u30b7\u30f3\u30dc\u30eb\u60c5\u5831\u306a\u3069\u3092\u683c\u7d0d\u3057\u305f\u3001debuginfo \u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u5c0e\u5165\u3057\u307e\u3059\u3002 \u306a\u304a\u3001\u3053\u306e\u3088\u3046\u306a\u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30eb\u306e\u5c0e\u5165\u306f\u5404\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3067\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ sudo yum install -y crash\r\n$ sudo debuginfo-install -y kernel\r\n<\/pre>\n<p>\u5c55\u958b\u3055\u308c\u305f kernel \u306e\u30b7\u30f3\u30dc\u30eb\u60c5\u5831\u306f\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d0\u30fc\u30b8\u30e7\u30f3\u90e8\u5206\u306f\u3054\u5229\u7528\u4e2d\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u9069\u5b9c\u8aad\u307f\u66ff\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n\/usr\/lib\/debug\/lib\/modules\/4.14.146-119.123.amzn2.x86_64\/vmlinux\r\n<\/pre>\n<p>debuginfo \u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u3001\u89e3\u6790\u5bfe\u8c61\u306e vmcore \u306e\u751f\u6210\u5143\u306b\u306a\u3063\u305f kernel \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u5b8c\u5168\u306b\u4e00\u81f4\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u73fe\u5728\u5b9f\u884c\u4e2d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f \"uname -r\" \u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>vmcore \u306e\u5185\u5bb9\u306f\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\n$ sudo crash \/usr\/lib\/debug\/lib\/modules\/4.14.146-119.123.amzn2.x86_64\/\r\nvmlinux \/var\/crash\/127.0.0.1-2019-10-03-07\\:47\\:45\/vmcore\r\n<\/pre>\n<p>\u5b9f\u884c\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u3042\u308a\u3001crash \u7528\u306e\u30d7\u30ed\u30f3\u30d7\u30c8 &quot;crash&gt;&quot; \u304c\u8868\u793a\u3055\u308c\u3066\u89e3\u6790\u7528\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\ncrash 7.2.6-1.amzn2.0.1\r\nCopyright (C) 2002-2019  Red Hat, Inc.\r\nCopyright (C) 2004, 2005, 2006, 2010  IBM Corporation\r\nCopyright (C) 1999-2006  Hewlett-Packard Co\r\nCopyright (C) 2005, 2006, 2011, 2012  Fujitsu Limited\r\nCopyright (C) 2006, 2007  VA Linux Systems Japan K.K.\r\nCopyright (C) 2005, 2011  NEC Corporation\r\nCopyright (C) 1999, 2002, 2007  Silicon Graphics, Inc.\r\nCopyright (C) 1999, 2000, 2001, 2002  Mission Critical Linux, Inc.\r\nThis program is free software, covered by the GNU General Public License,\r\nand you are welcome to change it and\/or distribute copies of it under\r\ncertain conditions.  Enter &quot;help copying&quot; to see the conditions.\r\nThis program has absolutely no warranty.  Enter &quot;help warranty&quot; for details.\r\n\r\nGNU gdb (GDB) 7.6\r\nCopyright (C) 2013 Free Software Foundation, Inc.\r\nLicense GPLv3+: GNU GPL version 3 or later &lt;http:\/\/gnu.org\/licenses\/gpl.html&gt;\r\nThis is free software: you are free to change and redistribute it.\r\nThere is NO WARRANTY, to the extent permitted by law.  Type &quot;show copying&quot;\r\nand &quot;show warranty&quot; for details.\r\nThis GDB was configured as &quot;x86_64-unknown-linux-gnu&quot;...\r\n\r\n      KERNEL: \/usr\/lib\/debug\/lib\/modules\/4.14.146-119.123.amzn2.x86_64\/vmlinux\r\n    DUMPFILE: \/var\/crash\/127.0.0.1-2019-10-03-07:47:45\/vmcore\r\n        CPUS: 2\r\n        DATE: Thu Oct  3 07:47:41 2019\r\n      UPTIME: 00:05:30\r\nLOAD AVERAGE: 0.16, 0.13, 0.08\r\n       TASKS: 115\r\n    NODENAME: ip-10-0-0-14.us-west-2.compute.internal\r\n     RELEASE: 4.14.146-119.123.amzn2.x86_64\r\n     VERSION: #1 SMP Mon Sep 23 16:58:43 UTC 2019\r\n     MACHINE: x86_64  (2500 Mhz)\r\n      MEMORY: 7.7 GB\r\n       PANIC: &quot;Kernel panic - not syncing: NMI: Not continuing&quot;\r\n         PID: 0\r\n     COMMAND: &quot;swapper\/0&quot;\r\n        TASK: ffffffff82013480  (1 of 2)  &#x5B;THREAD_INFO: ffffffff82013480]\r\n         CPU: 0\r\n       STATE: TASK_RUNNING (PANIC)\r\n\r\ncrash&gt;\r\n<\/pre>\n<p>\u8a66\u3057\u306b bt (\u30d0\u30c3\u30af\u30c8\u30ec\u30fc\u30b9) \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001swapper \u3092\u5b9f\u884c\u3057\u3066\u3044\u305f cpu 0 \u304c NMI \u3092\u53d7\u4fe1\u3057\u3066\u3001kexec \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"brush: bash; title: ; wrap-lines: false; notranslate\" title=\"\">\r\ncrash&gt; bt\r\nPID: 0      TASK: ffffffff82013480  CPU: 0   COMMAND: &quot;swapper\/0&quot;\r\n #0 &#x5B;fffffe0000008d10] machine_kexec at ffffffff810599f5\r\n #1 &#x5B;fffffe0000008d68] __crash_kexec at ffffffff8111d581\r\n #2 &#x5B;fffffe0000008e28] panic at ffffffff81088df2\r\n #3 &#x5B;fffffe0000008eb0] nmi_panic at ffffffff810889d5\r\n #4 &#x5B;fffffe0000008eb8] unknown_nmi_error at ffffffff8102eaff\r\n #5 &#x5B;fffffe0000008ed0] do_nmi at ffffffff8102ed9b\r\n #6 &#x5B;fffffe0000008ef0] end_repeat_nmi at ffffffff81801937\r\n    &#x5B;exception RIP: native_safe_halt+14]\r\n    RIP: ffffffff81617a5e  RSP: ffffffff82003eb0  RFLAGS: 00000246\r\n    RAX: ffffffff81617720  RBX: ffffffff821ddea0  RCX: 0000000000000000\r\n    RDX: 0000000000000000  RSI: 0000000000000000  RDI: 0000000000000000\r\n    RBP: 0000000000000000   R8: ffff88822d01cf00   R9: 0000000000000000\r\n    R10: 0000000000000000  R11: 0000012f49e147fb  R12: 0000000000000000\r\n    R13: ffff88822d355e80  R14: 0000000000000000  R15: 0000000000000000\r\n    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018\r\n--- &lt;NMI exception stack&gt; ---\r\n #7 &#x5B;ffffffff82003eb0] native_safe_halt at ffffffff81617a5e\r\n #8 &#x5B;ffffffff82003eb0] default_idle at ffffffff8161773a\r\n #9 &#x5B;ffffffff82003ed0] do_idle at ffffffff810cdec4\r\n#10 &#x5B;ffffffff82003ef0] cpu_startup_entry at ffffffff810ce0cf\r\n#11 &#x5B;ffffffff82003f10] start_kernel at ffffffff82490fe2\r\n#12 &#x5B;ffffffff82003f50] secondary_startup_64 at ffffffff810000d5\r\n<\/pre>\n<p>\u7d42\u4e86\u3059\u308b\u306b\u306f quit \u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001vmcore \u30d5\u30a1\u30a4\u30eb\u306f\u306a\u308b\u3079\u304f\u65e9\u304f\u9000\u907f\u3057\u3066\u3001\/var\/crash \u914d\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6b21\u306b\u4f55\u3089\u304b\u306e panic \u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u5bb9\u91cf\u4e0d\u8db3\u907f\u3051\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<h2 id=\"\u6700\u5f8c\u306b\">\u6700\u5f8c\u306b<\/h2>\n<p>\u3053\u308c\u3067 Diagnostic Interrupts \u306e\u52d5\u4f5c\u78ba\u8a8d\u304c\u4e00\u901a\u308a\u3067\u304d\u305f\u3068\u601d\u3044\u307e\u3059\u3002\u666e\u6bb5\u3042\u307e\u308a\u5229\u7528\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u4e07\u304c\u4e00\u306e\u5099\u3048\u3068\u3057\u3066\u899a\u3048\u3066\u304a\u3044\u3066\u3082\u3044\u3044\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Amazon EC2 \u3067 Diagnostic Interrupts (\u8a3a\u65ad\u5272\u308a\u8fbc\u307f) \u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3057\u305f\u3002Diagnostic Interrupts \u3068\u3044\u3046\u3068\u99b4\u67d3\u307f\u304c\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306f Non Maskable&#8230;<\/p>\n","protected":false},"author":1,"featured_media":17299,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"ja","_original_post":"17289","footnotes":""},"categories":[20,19],"tags":[400,832,836],"class_list":{"0":"post-17289","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-aws","8":"category-19","9":"tag-amazon-ec2","10":"tag-crash-dump","11":"tag-kdump","12":"ja"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/17289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/comments?post=17289"}],"version-history":[{"count":12,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/17289\/revisions"}],"predecessor-version":[{"id":17309,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/17289\/revisions\/17309"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/media\/17299"}],"wp:attachment":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/media?parent=17289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/categories?post=17289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/tags?post=17289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}