{"id":303930,"date":"2024-05-20T19:11:06","date_gmt":"2024-05-20T11:11:06","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/303930.html"},"modified":"2024-05-20T19:11:21","modified_gmt":"2024-05-20T11:11:21","slug":"devmem2-%e4%bd%bf%e7%94%a8%e6%8a%a5%e9%94%99-bus-error-%e6%98%af%e4%bb%80%e4%b9%88%e5%8e%9f%e5%9b%a0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/303930.html","title":{"rendered":"devmem2 \u4f7f\u7528\u62a5\u9519 bus error \u662f\u4ec0\u4e48\u539f\u56e0"},"content":{"rendered":"

\"devmem2<\/p>\n

\u53d1\u751f"bus error"\u901a\u5e38\u6307\u793a\u4e86\u4e00\u4e2a\u975e\u6cd5\u7684\u5185\u5b58\u8bbf\u95ee\u3002\u8fd9\u79cd\u9519\u8bef\u5728\u4f7f\u7528devmem2<\/code>\u8fd9\u7c7b\u76f4\u63a5\u8bbf\u95ee\u7269\u7406\u5730\u5740\u7684\u5de5\u5177\u65f6\u5c24\u4e3a\u5e38\u89c1\uff0c\u4e3b\u8981\u539f\u56e0\u5305\u62ec \u975e\u6cd5\u7684\u5730\u5740\u8bbf\u95ee\u3001\u6743\u9650\u4e0d\u8db3\u3001\u786c\u4ef6\u6545\u969c<\/strong> \u7b49\u3002\u975e\u6cd5\u7684\u5730\u5740\u8bbf\u95ee<\/strong> \u662f\u8fd9\u4e9b\u539f\u56e0\u4e2d\u6700\u5e38\u89c1\u7684\u4e00\u4e2a\uff0c\u901a\u5e38\u662f\u56e0\u4e3a\u5c1d\u8bd5\u8bbf\u95ee\u4e00\u4e2a\u672a\u6620\u5c04\u6216\u4fdd\u62a4\u7684\u5185\u5b58\u533a\u57df\u3002<\/p>\n<\/p>\n

\u975e\u6cd5\u7684\u5730\u5740\u8bbf\u95ee\u8868\u793a\u7a0b\u5e8f\u5c1d\u8bd5\u8bfb\u5199\u4e00\u4e2a\u5b83\u6ca1\u6709\u6743\u9650\uff0c\u6216\u8005\u6839\u672c\u4e0d\u5b58\u5728\u7684\u5185\u5b58\u5730\u5740\u3002devmem2<\/code>\u662f\u4e00\u4e2a\u5de5\u5177\uff0c\u5b83\u88ab\u8bbe\u8ba1\u7528\u6765\u8bfb\u5199\u7269\u7406\u5730\u5740\u7a7a\u95f4\u4e2d\u7684\u5185\u5bb9\u3002\u5982\u679c\u6307\u5b9a\u7ed9devmem2<\/code>\u7684\u5730\u5740\u8d85\u51fa\u4e86CPU\u53ef\u5bfb\u5740\u7684\u7269\u7406\u5730\u5740\u8303\u56f4\uff0c\u6216\u8005\u8be5\u5730\u5740\u88ab\u7cfb\u7edf\u4fdd\u7559\u4e14\u4e0d\u5141\u8bb8\u7528\u6237\u7a7a\u95f4\u7a0b\u5e8f\u8bbf\u95ee\uff0c\u90a3\u4e48\u5373\u4f1a\u89e6\u53d1\u8fd9\u6837\u7684\u9519\u8bef\u3002\u4f8b\u5982\uff0c\u5927\u591a\u6570\u7cfb\u7edf\u90fd\u4f1a\u4fdd\u7559\u4e00\u90e8\u5206\u7269\u7406\u5185\u5b58\u7528\u4e8e\u5185\u6838\uff0c\u5e76\u5bf9\u7528\u6237\u7a7a\u95f4\u7a0b\u5e8f\u9690\u85cf\u8fd9\u90e8\u5206\u5185\u5b58\u3002\u5982\u679c\u4e00\u4e2a\u7a0b\u5e8f\u5c1d\u8bd5\u8bbf\u95ee\u8fd9\u4e9b\u533a\u57df\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u62d2\u7edd\u8bbf\u95ee\uff0c\u4ece\u800c\u89e6\u53d1"bus error"\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u975e\u6cd5\u7684\u5730\u5740\u8bbf\u95ee<\/h3>\n<\/p>\n

\u5728\u4f7f\u7528devmem2<\/code>\u8fdb\u884c\u786c\u4ef6\u8c03\u8bd5\u6216\u8bbf\u95ee\u7279\u5b9a\u7684\u7269\u7406\u5185\u5b58\u5730\u5740\u65f6\uff0c\u975e\u5e38\u91cd\u8981\u7684\u4e00\u70b9\u5c31\u662f\u786e\u4fdd\u76ee\u6807\u5730\u5740\u662f\u6709\u6548\u548c\u5141\u8bb8\u8bbf\u95ee\u7684\u3002\u5730\u5740\u65e0\u6548\u53ef\u80fd\u6e90\u4e8e\u591a\u79cd\u539f\u56e0\uff0c\u5982\u5730\u5740\u683c\u5f0f\u9519\u8bef\u3001\u5730\u5740\u8d85\u51fa\u4e86\u7269\u7406\u5185\u5b58\u8303\u56f4\u3001\u6216\u662f\u5730\u5740\u6307\u5411\u4e86\u53d7\u4fdd\u62a4\u7684\u786c\u4ef6\u533a\u57df\u7b49\u3002\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u7684\u5173\u952e\u5728\u4e8e\uff1a<\/p>\n<\/p>\n

    \n
  1. \n

    \u786e\u8ba4\u5730\u5740\u6709\u6548\u6027<\/strong>\uff1a\u5728\u5c1d\u8bd5\u8bbf\u95ee\u4e4b\u524d\uff0c\u9700\u8981\u786e\u4fdd\u5730\u5740\u662f\u5f53\u524d\u786c\u4ef6\u73af\u5883\u4e2d\u5408\u6cd5\u7684\u4e14\u672a\u88ab\u7cfb\u7edf\u4fdd\u62a4\u3002\u8fd9\u53ef\u80fd\u9700\u8981\u67e5\u9605\u786c\u4ef6\u624b\u518c\u6216\u4f7f\u7528\u7cfb\u7edf\u5de5\u5177\u5982\/proc\/iomem<\/code>\u5728Linux\u4e2d\u68c0\u67e5\u53ef\u8bbf\u95ee\u7684\u7269\u7406\u5730\u5740\u8303\u56f4\u3002<\/p>\n<\/p>\n<\/li>\n

  2. \n

    \u9002\u5f53\u6743\u9650<\/strong>\uff1a\u786e\u4fdd\u8fd0\u884cdevmem2<\/code>\u547d\u4ee4\u7684\u7528\u6237\u5177\u6709\u8db3\u591f\u7684\u6743\u9650\u3002\u5728\u5927\u591a\u6570Linux\u7cfb\u7edf\u4e2d\uff0c\u76f4\u63a5\u8bbf\u95ee\u7269\u7406\u5185\u5b58\u901a\u5e38\u9700\u8981root\u6743\u9650\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n

    \u4e8c\u3001\u6743\u9650\u4e0d\u8db3<\/h3>\n<\/p>\n

    \u6743\u9650\u4e0d\u8db3\u65f6\uff0c\u5c3d\u7ba1\u76ee\u6807\u5730\u5740\u5408\u6cd5\uff0c\u4f46\u56e0\u5f53\u524d\u7528\u6237\u7f3a\u5c11\u8db3\u591f\u6743\u9650\uff0c\u5bfc\u81f4\u8bbf\u95ee\u8bf7\u6c42\u88ab\u64cd\u4f5c\u7cfb\u7edf\u62d2\u7edd\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u76f4\u63a5\u8bbf\u95ee\u786c\u4ef6\u8d44\u6e90\u4e00\u822c\u9700\u8981\u4ee5root\u8eab\u4efd\u8fd0\u884c\u7a0b\u5e8f\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u7684\u89e3\u51b3\u65b9\u6848\u6bd4\u8f83\u76f4\u63a5\uff1a<\/p>\n<\/p>\n

      \n
    1. \n

      \u4f7f\u7528sudo\u8fd0\u884c<\/strong>\uff1a\u786e\u4fdd\u4f7f\u7528devmem2<\/code>\u65f6\u91c7\u7528\u4e86\u9002\u5f53\u7684\u6743\u9650\u7ea7\u522b\u3002\u4f8b\u5982\uff0c\u5728\u547d\u4ee4\u884c\u4e2d\u4f7f\u7528sudo<\/code>\u6765\u63d0\u5347\u6743\u9650\u3002<\/p>\n<\/p>\n<\/li>\n

    2. \n

      \u8c03\u6574\u6743\u9650\u7b56\u7565<\/strong>\uff1a\u867d\u7136\u4e0d\u63a8\u8350\uff0c\u4f46\u5728\u67d0\u4e9b\u5f00\u53d1\u73af\u5883\u4e0b\uff0c\u4e3a\u4e86\u65b9\u4fbf\uff0c\u53ef\u80fd\u4f1a\u901a\u8fc7\u8c03\u6574udev\u89c4\u5219\u7b49\u65b9\u5f0f\uff0c\u6682\u65f6\u8d4b\u4e88\u7279\u5b9a\u7528\u6237\u5bf9\u7279\u5b9a\u786c\u4ef6\u8d44\u6e90\u7684\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n

      \u4e09\u3001\u786c\u4ef6\u6545\u969c<\/h3>\n<\/p>\n

      \u786c\u4ef6\u6545\u969c\u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u8bbf\u95ee\u5f02\u5e38\uff0c\u4f8b\u5982\u5185\u5b58\u635f\u574f\u6216\u786c\u4ef6\u8bbe\u8ba1\u7f3a\u9677\u3002\u8fd9\u79cd\u60c5\u51b5\u901a\u5e38\u9700\u8981\u901a\u8fc7\u786c\u4ef6\u81ea\u6211\u8bca\u65ad\u5de5\u5177\u8fdb\u884c\u68c0\u6d4b\uff0c\u5e76\u6839\u636e\u7ed3\u679c\u91c7\u53d6\u76f8\u5e94\u7684\u786c\u4ef6\u66f4\u6362\u6216\u4fee\u590d\u63aa\u65bd\u3002\u786c\u4ef6\u6545\u969c\u7684\u8bca\u65ad\u548c\u89e3\u51b3\u8fdc\u6bd4\u524d\u4e24\u79cd\u60c5\u51b5\u590d\u6742\uff0c\u5e38\u6d89\u53ca\u5230\uff1a<\/p>\n<\/p>\n

        \n
      1. \n

        \u8fd0\u884c\u786c\u4ef6\u81ea\u68c0<\/strong>\uff1a\u5229\u7528\u4e3b\u677f\u6216\u5185\u5b58\u7684\u81ea\u68c0\u7a0b\u5e8f\u68c0\u67e5\u662f\u5426\u5b58\u5728\u786c\u4ef6\u9519\u8bef\u3002<\/p>\n<\/p>\n<\/li>\n

      2. \n

        \u7269\u7406\u68c0\u67e5<\/strong>\uff1a\u68c0\u67e5\u5185\u5b58\u6761\u662f\u5426\u6b63\u786e\u5b89\u88c5\uff0c\u6216\u662f\u5426\u6709\u635f\u574f\u7684\u8ff9\u8c61\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n

        \u5728\u5904\u7406devmem2 bus error<\/code>\u65f6\uff0c\u91cd\u8981\u7684\u662f\u51c6\u786e\u8bca\u65ad\u51fa\u5bfc\u81f4\u9519\u8bef\u7684\u5177\u4f53\u539f\u56e0\uff0c\u7136\u540e\u91c7\u53d6\u76f8\u5e94\u7684\u89e3\u51b3\u7b56\u7565\u3002\u8fd9\u4e0d\u4ec5\u8981\u6c42\u5bf9\u786c\u4ef6\u548c\u64cd\u4f5c\u7cfb\u7edf\u6709\u6df1\u5165\u7684\u7406\u89e3\uff0c\u8fd8\u9700\u8981\u5177\u5907\u89e3\u51b3\u95ee\u9898\u7684\u8010\u5fc3\u548c\u7ec6\u81f4\u3002<\/p>\n<\/p>\n

        \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

        1. \u4e3a\u4ec0\u4e48\u5728\u4f7f\u7528devmem2\u65f6\u4f1a\u51fa\u73b0"bus error"\u62a5\u9519\uff1f<\/strong><\/p>\n

        "bus error"\u62a5\u9519\u901a\u5e38\u662f\u7531\u4e8e\u5bf9\u5b58\u50a8\u5668\u7684\u65e0\u6548\u64cd\u4f5c\u5f15\u8d77\u7684\u3002\u53ef\u80fd\u51fa\u73b0\u8be5\u62a5\u9519\u7684\u539f\u56e0\u6709\u591a\u79cd\uff0c\u6bd4\u5982\u5185\u5b58\u8bbf\u95ee\u8d8a\u754c\u3001\u65e0\u6548\u7684\u5185\u5b58\u5730\u5740\u3001\u5185\u5b58\u4e2d\u65ad\u7b49\u3002\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u60a8\u53ef\u4ee5\u68c0\u67e5\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n

          \n
        • \u786e\u4fdd\u60a8\u6709\u8db3\u591f\u7684\u6743\u9650\u6765\u8bbf\u95ee\u6240\u9700\u7684\u5185\u5b58\u533a\u57df\u3002\u6709\u4e9b\u5185\u5b58\u533a\u57df\u53ef\u80fd\u9700\u8981\u7279\u6b8a\u7684\u6743\u9650\u624d\u80fd\u8bbf\u95ee\u3002<\/li>\n
        • \u68c0\u67e5\u60a8\u4f7f\u7528\u7684devmem2\u547d\u4ee4\u7684\u53c2\u6570\u662f\u5426\u6b63\u786e\u3002\u786e\u4fdd\u6307\u5b9a\u7684\u5185\u5b58\u5730\u5740\u548c\u64cd\u4f5c\u7c7b\u578b\u662f\u6b63\u786e\u7684\u3002<\/li>\n
        • \u6709\u65f6\u5019\uff0c"bus error"\u62a5\u9519\u53ef\u80fd\u4e0e\u786c\u4ef6\u95ee\u9898\u6709\u5173\u3002\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u91cd\u65b0\u63d2\u62d4\u76f8\u5173\u8bbe\u5907\u5e76\u91cd\u542f\u7cfb\u7edf\uff0c\u770b\u770b\u95ee\u9898\u662f\u5426\u5f97\u5230\u89e3\u51b3\u3002<\/li>\n<\/ul>\n

          2. \u5982\u4f55\u89e3\u51b3devmem2\u4f7f\u7528\u65f6\u51fa\u73b0\u7684"bus error"\u62a5\u9519\uff1f<\/strong><\/p>\n

          \u5982\u679c\u5728\u4f7f\u7528devmem2\u65f6\u9047\u5230"bus error"\u62a5\u9519\uff0c\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u51e0\u4e2a\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n

            \n
          • \u786e\u8ba4\u60a8\u662f\u5426\u5177\u6709\u8db3\u591f\u7684\u6743\u9650\u6765\u8bbf\u95ee\u6240\u9700\u7684\u5185\u5b58\u533a\u57df\u3002\u53ef\u4ee5\u4f7f\u7528sudo\u547d\u4ee4\u83b7\u53d6root\u6743\u9650\u5e76\u91cd\u65b0\u8fd0\u884c\u547d\u4ee4\u3002<\/li>\n
          • \u68c0\u67e5devmem2\u547d\u4ee4\u7684\u53c2\u6570\u662f\u5426\u6b63\u786e\u3002\u786e\u4fdd\u6307\u5b9a\u7684\u5185\u5b58\u5730\u5740\u548c\u64cd\u4f5c\u7c7b\u578b\u662f\u6b63\u786e\u7684\u3002\u53ef\u4ee5\u67e5\u9605devmem2\u7684\u6587\u6863\u4ee5\u83b7\u5f97\u6b63\u786e\u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/li>\n
          • \u91cd\u542f\u7cfb\u7edf\u5e76\u5c1d\u8bd5\u91cd\u65b0\u6267\u884c\u76f8\u540c\u7684\u64cd\u4f5c\u3002\u6709\u65f6\u5019\uff0c"bus error"\u62a5\u9519\u53ef\u80fd\u662f\u7531\u4e8e\u4e34\u65f6\u7684\u7cfb\u7edf\u6545\u969c\u5f15\u8d77\u7684\uff0c\u91cd\u65b0\u542f\u52a8\u53ef\u80fd\u4f1a\u89e3\u51b3\u95ee\u9898\u3002<\/li>\n<\/ul>\n

            3. "bus error"\u62a5\u9519\u5982\u4f55\u5f71\u54cddevmem2\u7684\u4f7f\u7528\uff1f<\/strong><\/p>\n

            \u5f53devmem2\u9047\u5230"bus error"\u62a5\u9519\u65f6\uff0c\u5b83\u4f1a\u4e2d\u65ad\u5f53\u524d\u7684\u64cd\u4f5c\u5e76\u663e\u793a\u9519\u8bef\u6d88\u606f\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u60a8\u65e0\u6cd5\u6b63\u786e\u5730\u8bbf\u95ee\u6240\u9700\u7684\u5185\u5b58\u533a\u57df\u3002\u56e0\u6b64\uff0c\u60a8\u5c06\u65e0\u6cd5\u6267\u884c\u60a8\u60f3\u8981\u7684\u5185\u5b58\u64cd\u4f5c\u3002\u4e3a\u4e86\u4fdd\u8bc1devmem2\u7684\u6b63\u5e38\u4f7f\u7528\uff0c\u60a8\u9700\u8981\u89e3\u51b3"bus error"\u62a5\u9519\u5e76\u786e\u4fdd\u60a8\u5177\u6709\u6b63\u786e\u7684\u6743\u9650\u548c\u64cd\u4f5c\u53c2\u6570\u3002\u53ea\u6709\u5728\u62a5\u9519\u95ee\u9898\u89e3\u51b3\u540e\uff0c\u60a8\u624d\u80fd\u7ee7\u7eed\u4f7f\u7528devmem2\u8fdb\u884c\u5185\u5b58\u64cd\u4f5c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u53d1\u751f"bus error"\u901a\u5e38\u6307\u793a\u4e86\u4e00\u4e2a\u975e\u6cd5\u7684\u5185\u5b58\u8bbf\u95ee\u3002\u8fd9\u79cd\u9519\u8bef\u5728\u4f7f\u7528devmem2\u8fd9\u7c7b\u76f4 […]","protected":false},"author":3,"featured_media":303952,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/303930"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=303930"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/303930\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/303952"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=303930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=303930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=303930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}