{"id":1814,"date":"2025-12-30T20:58:24","date_gmt":"2025-12-30T11:58:24","guid":{"rendered":"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/?p=1814"},"modified":"2025-12-31T10:53:05","modified_gmt":"2025-12-31T01:53:05","slug":"vt-x-is-being-used-by-another-hypervisor%e3%81%a8%e8%a1%a8%e7%a4%ba%e3%81%95%e3%82%8c%e3%82%8b%e4%bb%b6%e3%81%ab%e3%81%a4%e3%81%8d%e3%81%be%e3%81%97%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/archives\/1814","title":{"rendered":"VT-x is being used by another hypervisor\u3068\u8868\u793a\u3055\u308c\u308b\u4ef6\u306b\u3064\u304d\u307e\u3057\u3066"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li>Ubuntu 24.04.3 LTS<\/li>\n\n\n\n<li>VirtualBox 7.2.2 r170484<\/li>\n<\/ul>\n\n\n\n<p>Ubuntu\u4e0a\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305fVirtualBox\u4e0a\u306b\u3042\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u8d77\u52d5\u3092\u8a66\u307f\u305f\u3068\u3053\u308d\u3001\u3053\u3046\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>VT-x is being used by another hypervisor (VERR_VMX_IN_VMX_ROOT_MODE).<\/p>\n\n\n\n<p>VirtualBox can&#8217;t operate in VMX root mode. Please disable the KVM kernel extension, recompile your kernel and reboot (VERR_VMX_IN_VMX_ROOT_MODE).<\/p>\n<\/blockquote>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-content\/uploads\/2025\/12\/vbox-kvm1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"567\" src=\"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-content\/uploads\/2025\/12\/vbox-kvm1.png\" alt=\"\" class=\"wp-image-1815\" srcset=\"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-content\/uploads\/2025\/12\/vbox-kvm1.png 360w, https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-content\/uploads\/2025\/12\/vbox-kvm1-190x300.png 190w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><figcaption class=\"wp-element-caption\">\u56f31. VirtualBox\u8d77\u52d5\u6642\u306e\u30a8\u30e9\u30fc<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u66f0\u304f\u3001KVM\u30ab\u30fc\u30cd\u30eb\u62e1\u5f35\u3092\u7121\u52b9\u306b\u3057\u3066\u3001\u30ab\u30fc\u30cd\u30eb\u3092\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305f\u3046\u3048\u3067\u518d\u8d77\u52d5\u305b\u3088\u3068\u306e\u3053\u3068\u3067\u3042\u308b\u3002\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u4e00\u5927\u4e8b\u696d\u3067\u3042\u308b\u304b\u3089\u4e00\u65e6\u3001\u76ee\u3092\u9038\u3089\u3059\u3068\u3057\u3066\u3001KVM\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u7121\u52b9\u5316\u3068\u518d\u8d77\u52d5\u306b\u53d6\u308a\u7d44\u3080\u3002<\/p>\n\n\n\n<p>kvm\u30ab\u30fc\u30cd\u30eb\u306e\u7d44\u307f\u8fbc\u307f\u306f\u4e0b\u306e\u5982\u304d\u72b6\u6cc1\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ lsmod | grep kvm<br>kvm_intel             487424  0<br>kvm                  1425408  1 kvm_intel<br>irqbypass              12288  1 kvm<\/pre>\n\n\n\n<p>kvm_intel\u3092\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u3078\u9001\u308a\u3001OS\u3092\u518d\u8d77\u52d5\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ sudo vi \/etc\/modprobe.d\/blacklist.conf<br><strong class=\"green\">blacklist kvm_intel<\/strong><br><br>$ sudo reboot<\/pre>\n\n\n\n<p>OS\u518d\u8d77\u52d5\u5f8c\u306fkvm\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u53d6\u308a\u5916\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ lsmod | grep kvm<\/pre>\n\n\n\n<p>\u6539\u3081\u3066\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u8d77\u52d5\u3092\u8a66\u307f\u308b\u3068\u7121\u4e8b\u3001\u6210\u529f\u3057\u305f\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-content\/uploads\/2025\/12\/vbox-kvm2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"668\" height=\"592\" src=\"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-content\/uploads\/2025\/12\/vbox-kvm2.png\" alt=\"\" class=\"wp-image-1816\" srcset=\"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-content\/uploads\/2025\/12\/vbox-kvm2.png 668w, https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-content\/uploads\/2025\/12\/vbox-kvm2-300x266.png 300w\" sizes=\"auto, (max-width: 668px) 100vw, 668px\" \/><\/a><figcaption class=\"wp-element-caption\">\u56f32. \u4eee\u60f3\u30de\u30b7\u30f3\u304c\u6b63\u5e38\u306b\u8d77\u52d5\u3059\u308b\u69d8\u5b50<\/figcaption><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Ubuntu\u4e0a\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305fVirtualBox\u4e0a\u306b\u3042\u308b\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u8d77\u52d5\u3092\u8a66\u307f\u305f\u3068\u3053\u308d\u3001\u3053\u3046\u3067\u3042\u308b\u3002 VT-x is being used by another hypervisor (VERR_VMX_IN_VMX_ROOT_MODE). VirtualBox can&#8217;t operate in VMX root mode. Please disable the KVM kerne &#8230; <a title=\"VT-x is being used by another hypervisor\u3068\u8868\u793a\u3055\u308c\u308b\u4ef6\u306b\u3064\u304d\u307e\u3057\u3066\" class=\"read-more\" href=\"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/archives\/1814\" aria-label=\"VT-x is being used by another hypervisor\u3068\u8868\u793a\u3055\u308c\u308b\u4ef6\u306b\u3064\u304d\u307e\u3057\u3066 \u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8aad\u3080\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[157,170],"tags":[306],"class_list":["post-1814","post","type-post","status-publish","format-standard","hentry","category-linux","category-170","tag-virtualbox"],"views":255,"_links":{"self":[{"href":"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-json\/wp\/v2\/posts\/1814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-json\/wp\/v2\/comments?post=1814"}],"version-history":[{"count":0,"href":"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-json\/wp\/v2\/posts\/1814\/revisions"}],"wp:attachment":[{"href":"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-json\/wp\/v2\/media?parent=1814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-json\/wp\/v2\/categories?post=1814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www7390uo.sakura.ne.jp\/wordpress\/wp-json\/wp\/v2\/tags?post=1814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}