{"id":52291,"date":"2024-12-03T10:58:13","date_gmt":"2024-12-03T02:58:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52291\/"},"modified":"2024-12-03T10:58:13","modified_gmt":"2024-12-03T02:58:13","slug":"linux-crash%e6%96%87%e4%bb%b6%e5%a4%b9%e7%9a%84%e4%bd%9c%e7%94%a8%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52291\/","title":{"rendered":"linux crash\u6587\u4ef6\u5939\u7684\u4f5c\u7528\u662f\u4ec0\u4e48"},"content":{"rendered":"

<\/b> <\/p>\n

linux crash\u6587\u4ef6\u5939\u7684\u4f5c\u7528\u662f\u4ec0\u4e48<\/h1>\n

\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300alinux crash\u6587\u4ef6\u5939\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u6587\u7ae0<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n<\/p>\n

\n

linux crash\u662f\u7528\u4e8e\u5b58\u653e\u751f\u6210\u7684crash\u7684\u6587\u4ef6\u5939\uff0c\u8be5\u6587\u4ef6\u5939\u9ed8\u8ba4\u5b58\u653e\u5728\u201c\/var\/crash\u201d\u4e2d\uff0c\u800c\u63a7\u5236\u5b58\u653e\u4f4d\u7f6e\u7684\u6587\u4ef6\u662f\u201c\/var\/sysconfig\/kdump\u201d\u6587\u4ef6\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u5b89\u88c5kdump\u5de5\u5177\u67e5\u770bcrash\u3002<\/p>\n<\/blockquote>\n

\/var\/crash\u76ee\u5f55\u89e3\u6790<\/strong><\/p>\n

1\uff1a\u751f\u6210\u7684crash\u9ed8\u8ba4\u5b58\u653e\u5728:\/var\/crash\u4e2d\uff0c\u63a7\u5236\u5b58\u653e\u4f4d\u7f6e\u7684\u6587\u4ef6\u662f\uff1a\/var\/sysconfig\/kdump\u6587\u4ef6\u3002\u60f3\u8981\u67e5\u770bcrash\u9700\u8981\u5148\u5b89\u88c5kdump\u5de5\u5177\uff0c\u624d\u4f1a\u6709kdump\u6587\u4ef6\uff0copensuse\u4e2d\u662f\u9ed8\u8ba4\u4e0d\u5b89\u88c5\u7684\u3002<\/p>\n

2\uff1acrash \u76ee\u5f55\u4e2d\u6709\u56db\u4e2a\u6587\u4ef6\u5206\u522b\u4e3a\uff1a<\/p>\n

linux:\/var\/crash\/2015-01-04-14:37 # ll\ntotal 3084144\n-rw-r--r-- 1 root root                   187 Jan  4 14:40 README.txt\n-rw-r--r-- 1 root root          1626134 Jan  4 14:40 System.map-2.6.32.59-0.7-default\n-rw------- 1 root root   3149631649 Jan  4 14:40 vmcore\n-rw-r--r-- 1 root root          3801265 Jan  4 14:40 vmlinux-2.6.32.59-0.7-default.gz\nlinux:\/var\/crash\/2015-01-04-14:37 #<\/pre>\n
vmcore \u4e3acrash\u6587\u4ef6\uff1bvmlinux-2.6.32.59-0.7-default.gz \u538b\u7f29\u7684 \u53ef\u5f15\u5bfc\u7684\u5185\u6838\uff08\u5e94\u8be5\u662f\uff09\uff0cgz\u7684\u89e3\u538b\u7f29\u65b9\u5f0f\u4e3a: gunzip   vmlinux-2.6.32.59-0.7-default.gz<\/p>\n
3\uff1a\u4e0b\u8f7d\u5bf9\u5e94\u7248\u672c\u7684\u4ee3\u7801\u3002\u7f16\u8bd1\u5e26-g\u9009\u9879\u7684\u5bf9\u5e94\u7248\u672c\u7684\u8c03\u8bd5\u5185\u6838\uff0c\u52a0-g\u9009\u9879\u53ef\u4ee5\u901a\u8fc7make menuconfig\u628a\u8c03\u8bd5\u4fe1\u606f\u6253\u5f00\uff08\u6211\u7f16\u8bd1\u7684\u65f6\u5019\u76f4\u63a5make\u5c31\u80fd\u51fa\u8c03\u8bd5\u5185\u6838\uff0c\u6ca1\u6709\u505a\u8fd9\u4e2a\u8fc7\u7a0b\uff09\u3002<\/p>\n
\u67e5\u770b\u81ea\u5df1\u7cfb\u7edf\u7684\u5185\u6838\u7248\u672c\u547d\u4ee4\uff1a uname -r<\/p>\n
make\u5b8c\u7684\u5305\u4e2d vmlinux\u4e3a\u7f16\u8bd1\u51fa\u6765\u7684\u5e26\u8c03\u8bd5\u7684\u5185\u6838\uff0c\u53ef\u4ee5\u628avmlinx\u62f7\u8d1d\u51fa\u6765\u5230crash\u76ee\u5f55\u4e2d,\u7136\u540e\u5728\u8be5\u76ee\u5f55\u4e2d\u8f93\u5165 crash vmcore vmlinux \u3002\u610f\u601d\u662f\u7528\u7f16\u8bd1\u51fa\u6765\u7684\u5185\u6838 \u89e3\u6790vmcore\u6587\u4ef6\u3002<\/p>\n
4\uff1a\u7136\u540e\u7528bt\u547d\u4ee4\u67e5\u770b\u5bc4\u5b58\u5668 mod\u547d\u4ee4\u52a0\u8f7d\u8c03\u8bd5\u7b26\u53f7 struct \u628a\u67d0\u4e2a\u5730\u5740\u7ed3\u6784\u89e3\u6790\u51fa\u6765\u3002<\/p>\n
\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300alinux crash\u6587\u4ef6\u5939\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8eLinux,crash\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
linux crash\u6587\u4ef6\u5939\u7684\u4f5c\u7528\u662f\u4ec0\u4e48 \u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300alinux crash\u6587\u4ef6\u5939\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\u300b\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u6587\u7ae0\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01 linux crash\u662f\u7528\u4e8e\u5b58\u653e\u751f\u6210\u7684crash\u7684\u6587\u4ef6\u5939\uff0c\u8be5\u6587\u4ef6\u5939\u9ed8\u8ba4\u5b58\u653e\u5728\u201c\/var\/crash\u201d\u4e2d\uff0c\u800c\u63a7\u5236\u5b58\u653e\u4f4d\u7f6e\u7684\u6587\u4ef6\u662f\u201c\/var\/sysconfig\/kdump\u201d\u6587\u4ef6\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u5b89\u88c5kdump\u5de5\u5177\u67e5\u770bcrash\u3002 \/var\/crash\u76ee\u5f55\u89e3\u6790 1\uff1a\u751f\u6210\u7684crash\u9ed8\u8ba4\u5b58\u653e\u5728:\/var\/crash\u4e2d\uff0c\u63a7\u5236\u5b58\u653e\u4f4d\u7f6e\u7684\u6587\u4ef6\u662f\uff1a\/var\/sysconfig\/kdump\u6587\u4ef6\u3002\u60f3\u8981\u67e5\u770bcrash\u9700\u8981\u5148\u5b89\u88c5kdump\u5de5\u5177\uff0c\u624d\u4f1a\u6709kdump\u6587\u4ef6\uff0copensuse\u4e2d\u662f\u9ed8\u8ba4\u4e0d\u5b89\u88c5\u7684\u3002 2\uff1acrash \u76ee\u5f55\u4e2d\u6709\u56db\u4e2a\u6587\u4ef6\u5206\u522b\u4e3a\uff1a linux:\/var\/crash\/2015-01-04-14:37 # ll total 3084144 -rw-r–r– 1 root root                   187 Jan  4 14:40 README.txt -rw-r–r– 1 root root          1626134 Jan  4 14:40 System.map-2.6.32.59-0.7-default -rw——- 1 root root   3149631649 Jan  4 14:40 vmcore -rw-r–r– 1 root root          3801265 Jan  4 14:40 vmlinux-2.6.32.59-0.7-default.gz linux:\/var\/crash\/2015-01-04-14:37 # vmcore \u4e3acrash\u6587\u4ef6\uff1bvmlinux-2.6.32.59-0.7-default.gz \u538b\u7f29\u7684 \u53ef\u5f15\u5bfc\u7684\u5185\u6838\uff08\u5e94\u8be5\u662f\uff09\uff0cgz\u7684\u89e3\u538b\u7f29\u65b9\u5f0f\u4e3a: gunzip   vmlinux-2.6.32.59-0.7-default.gz 3\uff1a\u4e0b\u8f7d\u5bf9\u5e94\u7248\u672c\u7684\u4ee3\u7801\u3002\u7f16\u8bd1\u5e26-g\u9009\u9879\u7684\u5bf9\u5e94\u7248\u672c\u7684\u8c03\u8bd5\u5185\u6838\uff0c\u52a0-g\u9009\u9879\u53ef\u4ee5\u901a\u8fc7make menuconfig\u628a\u8c03\u8bd5\u4fe1\u606f\u6253\u5f00\uff08\u6211\u7f16\u8bd1\u7684\u65f6\u5019\u76f4\u63a5make\u5c31\u80fd\u51fa\u8c03\u8bd5\u5185\u6838\uff0c\u6ca1\u6709\u505a\u8fd9\u4e2a\u8fc7\u7a0b\uff09\u3002 \u67e5\u770b\u81ea\u5df1\u7cfb\u7edf\u7684\u5185\u6838\u7248\u672c\u547d\u4ee4\uff1a uname -r make\u5b8c\u7684\u5305\u4e2d vmlinux\u4e3a\u7f16\u8bd1\u51fa\u6765\u7684\u5e26\u8c03\u8bd5\u7684\u5185\u6838\uff0c\u53ef\u4ee5\u628avmlinx\u62f7\u8d1d\u51fa\u6765\u5230crash\u76ee\u5f55\u4e2d,\u7136\u540e\u5728\u8be5\u76ee\u5f55\u4e2d\u8f93\u5165 crash vmcore vmlinux \u3002\u610f\u601d\u662f\u7528\u7f16\u8bd1\u51fa\u6765\u7684\u5185\u6838 \u89e3\u6790vmcore\u6587\u4ef6\u3002 4\uff1a\u7136\u540e\u7528bt\u547d\u4ee4\u67e5\u770b\u5bc4\u5b58\u5668 mod\u547d\u4ee4\u52a0\u8f7d\u8c03\u8bd5\u7b26\u53f7 struct \u628a\u67d0\u4e2a\u5730\u5740\u7ed3\u6784\u89e3\u6790\u51fa\u6765\u3002 \u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300alinux crash\u6587\u4ef6\u5939\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8eLinux,crash\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-52291","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=52291"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52291\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}