{ "version": "https://jsonfeed.org/version/1.1", "user_comment": "This feed allows you to read the posts from this site in any feed reader that supports the JSON Feed format. To add this feed to your reader, copy the following URL -- https://matoken.org/blog/tag/kvm/feed/json/ -- and add it your reader.", "home_page_url": "https://matoken.org/blog/tag/kvm/", "feed_url": "https://matoken.org/blog/tag/kvm/feed/json/", "language": "ja", "title": "kvm – matoken's blog", "description": "Is there no plan B?", "icon": "https://matoken.org/blog/wp-content/uploads/2025/03/cropped-1865f695c4eecc844385acef2f078255036adccd42c254580ea3844543ab56d9.jpeg", "items": [ { "id": "https://matoken.org/blog/?p=4206", "url": "https://matoken.org/blog/2024/11/02/resolution-of-openbsd-7-6-on-virt-manager-is-too-high/", "title": "Virt-Manager\u4e0a\u306eOpenBSD 7.6\u306e\u89e3\u50cf\u5ea6\u304c\u9ad8\u3059\u304e\u308b", "content_html": "

\n
\n

Virt-Manager\u4e0a\u306eOpenBSD 7.6 amd64\u3067\u3059\u304c\uff0c\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u89e3\u50cf\u5ea6\u304c\u5999\u306b\u9ad8\u304f\u4f7f\u3044\u3065\u3089\u3044\u3067\u3059\uff0e\u30db\u30b9\u30c8\u3088\u308a\u3082\u5e83\u304f2024×2024\u3082\u3042\u308a\u307e\u3059\uff0e
\nX\u3060\u3051\u306a\u3089xorg\u306e\u8a2d\u5b9a\u3067\u3069\u3046\u306b\u3067\u3082\u306a\u308a\u305d\u3046\u3067\u3059\u304c\uff0c\u305d\u306e\u524d\u306e\u30d5\u30ec\u30fc\u30e0\u30d0\u30c3\u30d5\u30a1\u30b3\u30f3\u30bd\u30fc\u30eb\u306e\u6642\u70b9\u304b\u3089\u9ad8\u304f\u4f7f\u3044\u3065\u3089\u3044\uff0e
\n\u8abf\u3079\u3066\u4fee\u6b63\u3057\u3066\u307f\u307e\u3057\u305f\uff0e

\n
\n
\n
\n
$ dmesg | grep ^efifb0\nefifb0 at mainbus0: 2048x2048, 32bpp
\n
\n
\n

\n
\n

\u30de\u30cb\u30e5\u30a2\u30eb\u306e\u4ee5\u4e0b\u306e\u90e8\u5206\u3092\u898b\u308b\u3068amd64\u306eUEFI\u74b0\u5883\u3060\u3068boot\u30d7\u30ed\u30f3\u30d7\u30c8\u4e0a\u3067 machine gop \u3067\u89e3\u50cf\u5ea6\u3092\u78ba\u8a8d\u3057\u305f\u308a\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u3067\u3059\uff0e\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\uff0e

\n
\n
\n
\n
\n

gop [mode]
\n On efifb(4) systems, sets the video resolution in pixels to mode. If mode is not given, a list of available modes is shown.

\n
\n
\n
\n— BOOT(8) System Manager’s Manual (amd64)
\nhttps://man.openbsd.org/amd64/boot.conf#gop\n
\n
\n
\n
\n
>> OpenBSD/amd64 BOOTX64 3.67\nboot> machine gop\nMode 0: 640 x 480 (stride = 640)\nMode 1: 800 x 480 (stride = 800)\nMode 2: 800 x 600 (stride = 800)\nMode 3: 832 x 624 (stride = 832)\nMode 4: 960 x 640 (stride = 960)\nMode 5: 1024 x 600 (stride = 1024)\nMode 6: 1024 x 768 (stride = 1024)\nMode 7: 1152 x 864 (stride = 1152)\nMode 8: 1152 x 870 (stride = 1152)\nMode 9: 1280 x 720 (stride = 1280)\nMode 10: 1280 x 760 (stride = 1280)\nMode 11: 1280 x 768 (stride = 1280)\nMode 12: 1280 x 800 (stride = 1280)\nMode 13: 1280 x 960 (stride = 1280)\nMode 14: 1280 x 1024 (stride = 1280)\nMode 15: 1360 x 768 (stride = 1360)\nMode 16: 1366 x 768 (stride = 1366)\nMode 17: 1400 x 1050 (stride = 1400)\nMode 18: 1440 x 900 (stride = 1440)\nMode 19: 1600 x 900 (stride = 1600)\nMode 20: 1600 x 1200 (stride = 1600)\nMode 21: 1680 x 1050 (stride = 1680)\nMode 22: 1920 x 1080 (stride = 1920)\nMode 23: 1920 x 1200 (stride = 1920)\nMode 24: 1920 x 1440 (stride = 1920)\nMode 25: 2000 x 2000 (stride = 2000)\nMode 26: 2048 x 1536 (stride = 2048)\nMode 27: 2048 x 2048 (stride = 2048)\nMode 28: 2560 x 1440 (stride = 2560)\nMode 29: 2560 x 1600 (stride = 2560)\n\nCurrent Mode = 12
\n
\n
\n
\n

640×480\u301c2560×1600\u307e\u3067\u9078\u3079\u3066\uff0c\u73fe\u5728\u306f12\u306e1280×800\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff0e
\nMode 27\u306b\u306a\u3063\u3066\u3044\u305d\u3046\u306a\u3093\u3060\u3051\u3069\u306a\u3068\u601d\u3044\u3064\u3064\u660e\u793a\u7684\u306b12\u3092\u6307\u5b9a\u3057\u3066\u8d77\u52d5\u3059\u308b\u3068\uff0c

\n
\n
\n
\n
boot> machine gop 12\nCurrent Mode = 12
\n
\n
\n
\n

\u671f\u5f85\u3057\u305f\u3068\u304a\u308a1280×800\u306b\u306a\u308a\u307e\u3057\u305f\uff0e

\n
\n
\n
\n
$ grep efifb0\\ at /var/log/messages | tail -2\nNov  2 18:36:01 fugu /bsd: efifb0 at mainbus0: 2048x2048, 32bpp\nNov  2 18:46:43 fugu /bsd: efifb0 at mainbus0: 1280x800, 32bpp
\n
\n
\n
\n

\u3057\u304b\u3057\u3053\u308c\u306f\u30a2\u30c9\u30db\u30c3\u30af\u306a\u624b\u9806\u3067\uff0c\u518d\u8d77\u52d5\u3059\u308b\u30682048×2048\u306b\u623b\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\uff0e

\n
\n
\n

/etc/boot.conf\u306b\u66f8\u3044\u3066\u304a\u304d\u307e\u3059\uff0e\u5909\u308f\u3063\u305f\u306e\u304c\u308f\u304b\u308b\u3088\u3046\u306b\u4eca\u56de\u306fMode 9\u3092\u6307\u5b9a\u3057\u307e\u3057\u305f\uff0e

\n
\n
\n
\n
$ echo machine gop 9 | doas tee -a /etc/boot.conf
\n
\n
\n
\n

\u3053\u308c\u3067\u518d\u8d77\u52d5\u3059\u308b\u3068Mode 9\u306e1280×720\u3067\u8d77\u52d5\u3057\u3066\u304d\u307e\u3057\u305f\uff0e

\n
\n
\n
\n
$ dmesg | grep ^efifb0 | tail -1\nefifb0 at mainbus0: 1280x720, 32bpp
\n
\n
\n
\n
\u74b0\u5883
\n
\n
fugu$ ./pfetch\n      _____       matoken@fugu.my.domain\n    \\-     -/     os     OpenBSD 7.6\n \\_/         \\    host   pc-i440fx-9.1\n |        O O |   uptime 9m\n |_  <   )  3 )   pkgs   75\n / \\         /    memory 53M / 224M\n    /-_____-\\
\n
\n
\n
\n
\u30db\u30b9\u30c8\u74b0\u5883
\n
\n
$ dpkg-query -W virt-manager libvirt-clients libvirt-daemon qemu-user qemu-system-x86\nlibvirt-clients 10.8.0-1\nlibvirt-daemon  10.8.0-1\nqemu-system-x86 1:9.1.1+ds-2\nqemu-user       1:9.1.1+ds-2\nvirt-manager    1:4.1.0-4\n$ /sbin/modinfo kvm_intel | head -1\nfilename:       /lib/modules/6.11.5-amd64/kernel/arch/x86/kvm/kvm-intel.ko.xz\n$ lsb_release -dr\nDescription:    Debian GNU/Linux trixie/sid\nRelease:        n/a\n$ arch\nx86_64
\n
\n
\n", "content_text": "Virt-Manager\u4e0a\u306eOpenBSD 7.6 amd64\u3067\u3059\u304c\uff0c\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u89e3\u50cf\u5ea6\u304c\u5999\u306b\u9ad8\u304f\u4f7f\u3044\u3065\u3089\u3044\u3067\u3059\uff0e\u30db\u30b9\u30c8\u3088\u308a\u3082\u5e83\u304f2024×2024\u3082\u3042\u308a\u307e\u3059\uff0e\nX\u3060\u3051\u306a\u3089xorg\u306e\u8a2d\u5b9a\u3067\u3069\u3046\u306b\u3067\u3082\u306a\u308a\u305d\u3046\u3067\u3059\u304c\uff0c\u305d\u306e\u524d\u306e\u30d5\u30ec\u30fc\u30e0\u30d0\u30c3\u30d5\u30a1\u30b3\u30f3\u30bd\u30fc\u30eb\u306e\u6642\u70b9\u304b\u3089\u9ad8\u304f\u4f7f\u3044\u3065\u3089\u3044\uff0e\n\u8abf\u3079\u3066\u4fee\u6b63\u3057\u3066\u307f\u307e\u3057\u305f\uff0e\n\n\n\n$ dmesg | grep ^efifb0\nefifb0 at mainbus0: 2048x2048, 32bpp\n\n\n\n\n\u30de\u30cb\u30e5\u30a2\u30eb\u306e\u4ee5\u4e0b\u306e\u90e8\u5206\u3092\u898b\u308b\u3068amd64\u306eUEFI\u74b0\u5883\u3060\u3068boot\u30d7\u30ed\u30f3\u30d7\u30c8\u4e0a\u3067 machine gop \u3067\u89e3\u50cf\u5ea6\u3092\u78ba\u8a8d\u3057\u305f\u308a\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u3067\u3059\uff0e\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\uff0e\n\n\n\n\ngop [mode]\n On efifb(4) systems, sets the video resolution in pixels to mode. If mode is not given, a list of available modes is shown.\n\n\n\n— BOOT(8) System Manager’s Manual (amd64)\nhttps://man.openbsd.org/amd64/boot.conf#gop\n\n\n\n\n>> OpenBSD/amd64 BOOTX64 3.67\nboot> machine gop\nMode 0: 640 x 480 (stride = 640)\nMode 1: 800 x 480 (stride = 800)\nMode 2: 800 x 600 (stride = 800)\nMode 3: 832 x 624 (stride = 832)\nMode 4: 960 x 640 (stride = 960)\nMode 5: 1024 x 600 (stride = 1024)\nMode 6: 1024 x 768 (stride = 1024)\nMode 7: 1152 x 864 (stride = 1152)\nMode 8: 1152 x 870 (stride = 1152)\nMode 9: 1280 x 720 (stride = 1280)\nMode 10: 1280 x 760 (stride = 1280)\nMode 11: 1280 x 768 (stride = 1280)\nMode 12: 1280 x 800 (stride = 1280)\nMode 13: 1280 x 960 (stride = 1280)\nMode 14: 1280 x 1024 (stride = 1280)\nMode 15: 1360 x 768 (stride = 1360)\nMode 16: 1366 x 768 (stride = 1366)\nMode 17: 1400 x 1050 (stride = 1400)\nMode 18: 1440 x 900 (stride = 1440)\nMode 19: 1600 x 900 (stride = 1600)\nMode 20: 1600 x 1200 (stride = 1600)\nMode 21: 1680 x 1050 (stride = 1680)\nMode 22: 1920 x 1080 (stride = 1920)\nMode 23: 1920 x 1200 (stride = 1920)\nMode 24: 1920 x 1440 (stride = 1920)\nMode 25: 2000 x 2000 (stride = 2000)\nMode 26: 2048 x 1536 (stride = 2048)\nMode 27: 2048 x 2048 (stride = 2048)\nMode 28: 2560 x 1440 (stride = 2560)\nMode 29: 2560 x 1600 (stride = 2560)\n\nCurrent Mode = 12\n\n\n\n640×480\u301c2560×1600\u307e\u3067\u9078\u3079\u3066\uff0c\u73fe\u5728\u306f12\u306e1280×800\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff0e\nMode 27\u306b\u306a\u3063\u3066\u3044\u305d\u3046\u306a\u3093\u3060\u3051\u3069\u306a\u3068\u601d\u3044\u3064\u3064\u660e\u793a\u7684\u306b12\u3092\u6307\u5b9a\u3057\u3066\u8d77\u52d5\u3059\u308b\u3068\uff0c\n\n\n\nboot> machine gop 12\nCurrent Mode = 12\n\n\n\n\u671f\u5f85\u3057\u305f\u3068\u304a\u308a1280×800\u306b\u306a\u308a\u307e\u3057\u305f\uff0e\n\n\n\n$ grep efifb0\\ at /var/log/messages | tail -2\nNov 2 18:36:01 fugu /bsd: efifb0 at mainbus0: 2048x2048, 32bpp\nNov 2 18:46:43 fugu /bsd: efifb0 at mainbus0: 1280x800, 32bpp\n\n\n\n\u3057\u304b\u3057\u3053\u308c\u306f\u30a2\u30c9\u30db\u30c3\u30af\u306a\u624b\u9806\u3067\uff0c\u518d\u8d77\u52d5\u3059\u308b\u30682048×2048\u306b\u623b\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\uff0e\n\n\n/etc/boot.conf\u306b\u66f8\u3044\u3066\u304a\u304d\u307e\u3059\uff0e\u5909\u308f\u3063\u305f\u306e\u304c\u308f\u304b\u308b\u3088\u3046\u306b\u4eca\u56de\u306fMode 9\u3092\u6307\u5b9a\u3057\u307e\u3057\u305f\uff0e\n\n\n\n$ echo machine gop 9 | doas tee -a /etc/boot.conf\n\n\n\n\u3053\u308c\u3067\u518d\u8d77\u52d5\u3059\u308b\u3068Mode 9\u306e1280×720\u3067\u8d77\u52d5\u3057\u3066\u304d\u307e\u3057\u305f\uff0e\n\n\n\n$ dmesg | grep ^efifb0 | tail -1\nefifb0 at mainbus0: 1280x720, 32bpp\n\n\n\n\u74b0\u5883\n\nfugu$ ./pfetch\n _____ matoken@fugu.my.domain\n \\- -/ os OpenBSD 7.6\n \\_/ \\ host pc-i440fx-9.1\n | O O | uptime 9m\n |_ < ) 3 ) pkgs 75\n / \\ / memory 53M / 224M\n /-_____-\\\n\n\n\n\u30db\u30b9\u30c8\u74b0\u5883\n\n$ dpkg-query -W virt-manager libvirt-clients libvirt-daemon qemu-user qemu-system-x86\nlibvirt-clients 10.8.0-1\nlibvirt-daemon 10.8.0-1\nqemu-system-x86 1:9.1.1+ds-2\nqemu-user 1:9.1.1+ds-2\nvirt-manager 1:4.1.0-4\n$ /sbin/modinfo kvm_intel | head -1\nfilename: /lib/modules/6.11.5-amd64/kernel/arch/x86/kvm/kvm-intel.ko.xz\n$ lsb_release -dr\nDescription: Debian GNU/Linux trixie/sid\nRelease: n/a\n$ arch\nx86_64", "date_published": "2024-11-02T19:56:18+09:00", "date_modified": "2024-11-02T19:56:20+09:00", "authors": [ { "name": "matoken", "url": "https://matoken.org/blog/author/matoken/", "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g" } ], "author": { "name": "matoken", "url": "https://matoken.org/blog/author/matoken/", "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g" }, "tags": [ "kvm", "OpenBSD", "qemu", "virt-manager", "7.6", "Debian", "Linux", "sid" ] }, { "id": "https://matoken.org/blog/?p=4203", "url": "https://matoken.org/blog/2024/11/02/enable-serial-on-openbsd-7-6-on-linux-virt-manager/", "title": "Linux Virt-Manager\u4e0a\u306eOpenBSD 7.6\u3067serial\u3092\u6709\u52b9\u306b", "content_html": "
\n
\n

\n
\n

OpenBSD 7.6 amd64\u3092Linux\u306eVirt-Manager\u4e0a\u3067\u52d5\u304b\u3057\u3066\u3044\u307e\u3059\uff0eserial\u3092\u6709\u52b9\u306b\u3057\u3066host\u304b\u3089virsh console\u3067\u7e4b\u3052\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3057\u305f\uff0e

\n
\n

\n
\n

\u521d\u671f\u72b6\u614b\u3067\u306f\u30c7\u30a3\u30b9\u30af\u6697\u53f7\u5316\u306e\u30a2\u30f3\u30ed\u30c3\u30af\u3084boot\u30d7\u30ed\u30f3\u30d7\u30c8\u306f\u898b\u3048\u307e\u3059\uff0eboot\u30d7\u30ed\u30f3\u30d7\u30c8\u3067serial\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u6bce\u56de\u3084\u3089\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u9762\u5012\u3067\u3059\uff0e

\n
\n
\n

\u3053\u3061\u3089\u306eFAQ\u3092\u53c2\u8003\u306b\u8a2d\u5b9a\u3057\u307e\u3057\u305f\uff0e

\n
\n
\n\n
\n
\n
\n
\n

\u30d6\u30fc\u30c8\u30d7\u30ed\u30bb\u30b9\u3092serial\u3078(amd64/i386)

\n
\n
\n
/etc/boot.conf \u306b\u4ee5\u4e0b\u3092\u8ffd\u8a18
\n
\n
set tty com0
\n
\n
\n
\n
\n
\n

\u30ed\u30b0\u30a4\u30f3\u30d7\u30ed\u30f3\u30d7\u30c8\u4ee5\u964d\u306eserial\u5bfe\u5fdc

\n
\n
\n

/etc/ttys \u3092\u7de8\u96c6\u3057\u3066\uff0c tty00 \u304b\u3089\u306e\u884c\u3092\u66f8\u304d\u63db\u3048\u307e\u3059\uff0e

\n
\n
\n
\u66f8\u304d\u63db\u3048\u524d
\n
\n
tty00   \"/usr/libexec/getty std.9600\"   unknown off
\n
\n
\n
\n
\u66f8\u304d\u63db\u3048\u5f8c
\n
\n
tty00   \"/usr/libexec/getty std.9600\"   vt220   on  secure
\n
\n
\n
\n\n\n\n\n\n
\n
Note
\n		\n9600\u90e8\u5206\u306fserial\u901f\u5ea6\u3067\uff0c115200\u3067\u3082\u52d5\u4f5c\u3057\u307e\u3057\u305f\uff0e\n
\n
\n
\n

\u3053\u308c\u3067\u6b21\u56de\u4ee5\u964dserial\u304c\u6709\u52b9\u306b\u306a\u308a\uff0cvirsh console\u3067\u63a5\u7d9a\u3057\u3066\u5229\u7528\u3067\u304d\u307e\u3059\uff0e

\n
\n
\n
\n
$ virsh console openbsd7.6\nConnected to domain 'openbsd7.6'\nEscape character is ^] (Ctrl + ])\nprobing: pc0 com0 mem[640K 239M 8M 548K 3M 176K]\ndisk: hd0 sr0*\n>> OpenBSD/amd64 BOOTX64 3.67\nPassphrase:\n>> OpenBSD/amd64 BOOTX64 3.67\nboot>\nbooting sr0a:/bsd: 19916757+4318224+413632+0+1236992 [1541351+128+1395768+1092498]=0x1c89138\nentry point at 0x1001000\n[ using 4030776 bytes of bsd ELF symbol table ]\nCopyright (c) 1982, 1986, 1989, 1991, 1993\n        The Regents of the University of California.  All rights reserved.\nCopyright (c) 1995-2024 OpenBSD. All rights reserved.  https://www.OpenBSD.org\n\nOpenBSD 7.6 (GENERIC) #332: Mon Sep 30 08:45:17 MDT 2024\n    deraadt@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC\n  : (\u4e2d\u7565)\nSat Nov  2 06:52:42 JST 2024\n\nOpenBSD/amd64 (fugu.my.domain) (tty00)\n\nlogin: matoken\nPassword:\nLast login: Sat Nov  2 06:28:00 on tty00\nOpenBSD 7.6 (GENERIC) #332: Mon Sep 30 08:45:17 MDT 2024\n\nWelcome to OpenBSD: The proactively secure Unix-like operating system.\n\nPlease use the sendbug(1) utility to report bugs in the system.\nBefore reporting a bug, please try to reproduce it with the latest\nversion of the code.  With bug reports, please try to ensure that\nenough information to reproduce the problem is enclosed, and if a\nknown fix for it exists, include that as well.\n\nYou have new mail.\nfugu$ neofetch                                                                                              _    matoken@fugu.my.domain\n                                    (_)   ----------------------\n              |    .                      OS: OpenBSD 7.6 amd64\n          .   |L  /|   .          _       Host: QEMU Standard PC (i440\n      _ . |\\ _| \\--+._/| .       (_)      Uptime: 1 min\n     / ||\\| Y J  )   / |/| ./             Packages: 44 (pkg_info)\n    J  |)'( |        ` F`.'/        _     Shell: ksh v5.2.14 99/07/13.\n  -<|  F         __     .-<        (_)    Terminal: /dev/tty00\n    | /       .-'. `.  /-. L___           CPU: Intel i7-10510U (1) @ 1\n    J \\      <    \\  | | O\\|.-'  _        Memory: 60MiB / 224MiB\n  _J \\  .-    \\/ O | | \\  |F    (_)\n '-F  -<_.     \\   .-'  `-' L__\n__J  _   _.     >-'  )._.   |-'\n `-|.'   /_.          \\_|   F\n  /.-   .                _.<\n /'    /.'             .'  `\\\n  /L  /'   |/      _.-'-\\\n /'J       ___.---'\\|\n   |\\  .--' V  | `. `\n   |/`. `-.     `._)\n      / .-.\\\n      \\ (  `\\\n       `.\\\n\nfugu$
\n
\n
\n
\n
\u30db\u30b9\u30c8\u74b0\u5883
\n
\n
$ dpkg-query -W virt-manager libvirt-clients libvirt-daemon qemu-user qemu-system-x86\nlibvirt-clients 10.8.0-1\nlibvirt-daemon  10.8.0-1\nqemu-system-x86 1:9.1.1+ds-2\nqemu-user       1:9.1.1+ds-2\nvirt-manager    1:4.1.0-4\n$ /sbin/modinfo kvm_intel | head -1\nfilename:       /lib/modules/6.11.5-amd64/kernel/arch/x86/kvm/kvm-intel.ko.xz\n$ lsb_release -dr\nDescription:    Debian GNU/Linux trixie/sid\nRelease:        n/a\n$ arch\nx86_64
\n
\n
\n
\n
\n", "content_text": "OpenBSD 7.6 amd64\u3092Linux\u306eVirt-Manager\u4e0a\u3067\u52d5\u304b\u3057\u3066\u3044\u307e\u3059\uff0eserial\u3092\u6709\u52b9\u306b\u3057\u3066host\u304b\u3089virsh console\u3067\u7e4b\u3052\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3057\u305f\uff0e\n\n\n\n\u521d\u671f\u72b6\u614b\u3067\u306f\u30c7\u30a3\u30b9\u30af\u6697\u53f7\u5316\u306e\u30a2\u30f3\u30ed\u30c3\u30af\u3084boot\u30d7\u30ed\u30f3\u30d7\u30c8\u306f\u898b\u3048\u307e\u3059\uff0eboot\u30d7\u30ed\u30f3\u30d7\u30c8\u3067serial\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u6bce\u56de\u3084\u3089\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u9762\u5012\u3067\u3059\uff0e\n\n\n\u3053\u3061\u3089\u306eFAQ\u3092\u53c2\u8003\u306b\u8a2d\u5b9a\u3057\u307e\u3057\u305f\uff0e\n\n\n\n\nOpenBSD FAQ: Keyboard and Display Controls\n\n\n\n\n\n\n\u30d6\u30fc\u30c8\u30d7\u30ed\u30bb\u30b9\u3092serial\u3078(amd64/i386)\n\n\n/etc/boot.conf \u306b\u4ee5\u4e0b\u3092\u8ffd\u8a18\n\nset tty com0\n\n\n\n\n\n\u30ed\u30b0\u30a4\u30f3\u30d7\u30ed\u30f3\u30d7\u30c8\u4ee5\u964d\u306eserial\u5bfe\u5fdc\n\n\n/etc/ttys \u3092\u7de8\u96c6\u3057\u3066\uff0c tty00 \u304b\u3089\u306e\u884c\u3092\u66f8\u304d\u63db\u3048\u307e\u3059\uff0e\n\n\n\u66f8\u304d\u63db\u3048\u524d\n\ntty00 \"/usr/libexec/getty std.9600\" unknown off\n\n\n\n\u66f8\u304d\u63db\u3048\u5f8c\n\ntty00 \"/usr/libexec/getty std.9600\" vt220 on secure\n\n\n\n\n\n\nNote\n\n\n9600\u90e8\u5206\u306fserial\u901f\u5ea6\u3067\uff0c115200\u3067\u3082\u52d5\u4f5c\u3057\u307e\u3057\u305f\uff0e\n\n\n\n\n\n\u3053\u308c\u3067\u6b21\u56de\u4ee5\u964dserial\u304c\u6709\u52b9\u306b\u306a\u308a\uff0cvirsh console\u3067\u63a5\u7d9a\u3057\u3066\u5229\u7528\u3067\u304d\u307e\u3059\uff0e\n\n\n\n$ virsh console openbsd7.6\nConnected to domain 'openbsd7.6'\nEscape character is ^] (Ctrl + ])\nprobing: pc0 com0 mem[640K 239M 8M 548K 3M 176K]\ndisk: hd0 sr0*\n>> OpenBSD/amd64 BOOTX64 3.67\nPassphrase:\n>> OpenBSD/amd64 BOOTX64 3.67\nboot>\nbooting sr0a:/bsd: 19916757+4318224+413632+0+1236992 [1541351+128+1395768+1092498]=0x1c89138\nentry point at 0x1001000\n[ using 4030776 bytes of bsd ELF symbol table ]\nCopyright (c) 1982, 1986, 1989, 1991, 1993\n The Regents of the University of California. All rights reserved.\nCopyright (c) 1995-2024 OpenBSD. All rights reserved. https://www.OpenBSD.org\n\nOpenBSD 7.6 (GENERIC) #332: Mon Sep 30 08:45:17 MDT 2024\n deraadt@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC\n : (\u4e2d\u7565)\nSat Nov 2 06:52:42 JST 2024\n\nOpenBSD/amd64 (fugu.my.domain) (tty00)\n\nlogin: matoken\nPassword:\nLast login: Sat Nov 2 06:28:00 on tty00\nOpenBSD 7.6 (GENERIC) #332: Mon Sep 30 08:45:17 MDT 2024\n\nWelcome to OpenBSD: The proactively secure Unix-like operating system.\n\nPlease use the sendbug(1) utility to report bugs in the system.\nBefore reporting a bug, please try to reproduce it with the latest\nversion of the code. With bug reports, please try to ensure that\nenough information to reproduce the problem is enclosed, and if a\nknown fix for it exists, include that as well.\n\nYou have new mail.\nfugu$ neofetch _ matoken@fugu.my.domain\n (_) ----------------------\n | . OS: OpenBSD 7.6 amd64\n . |L /| . _ Host: QEMU Standard PC (i440\n _ . |\\ _| \\--+._/| . (_) Uptime: 1 min\n / ||\\| Y J ) / |/| ./ Packages: 44 (pkg_info)\n J |)'( | ` F`.'/ _ Shell: ksh v5.2.14 99/07/13.\n -<| F __ .-< (_) Terminal: /dev/tty00\n | / .-'. `. /-. L___ CPU: Intel i7-10510U (1) @ 1\n J \\ < \\ | | O\\|.-' _ Memory: 60MiB / 224MiB\n _J \\ .- \\/ O | | \\ |F (_)\n '-F -<_. \\ .-' `-' L__\n__J _ _. >-' )._. |-'\n `-|.' /_. \\_| F\n /.- . _.<\n /' /.' .' `\\\n /L /' |/ _.-'-\\\n /'J ___.---'\\|\n |\\ .--' V | `. `\n |/`. `-. `._)\n / .-.\\\n \\ ( `\\\n `.\\\n\nfugu$\n\n\n\n\u30db\u30b9\u30c8\u74b0\u5883\n\n$ dpkg-query -W virt-manager libvirt-clients libvirt-daemon qemu-user qemu-system-x86\nlibvirt-clients 10.8.0-1\nlibvirt-daemon 10.8.0-1\nqemu-system-x86 1:9.1.1+ds-2\nqemu-user 1:9.1.1+ds-2\nvirt-manager 1:4.1.0-4\n$ /sbin/modinfo kvm_intel | head -1\nfilename: /lib/modules/6.11.5-amd64/kernel/arch/x86/kvm/kvm-intel.ko.xz\n$ lsb_release -dr\nDescription: Debian GNU/Linux trixie/sid\nRelease: n/a\n$ arch\nx86_64", "date_published": "2024-11-02T07:07:16+09:00", "date_modified": "2024-11-02T07:07:17+09:00", "authors": [ { "name": "matoken", "url": "https://matoken.org/blog/author/matoken/", "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g" } ], "author": { "name": "matoken", "url": "https://matoken.org/blog/author/matoken/", "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g" }, "tags": [ "kvm", "OpenBSD", "qemu", "serial", "virt-manager", "Debian", "Linux", "sid" ] }, { "id": "https://matoken.org/blog/?p=4193", "url": "https://matoken.org/blog/2024/10/28/openbsd-7-5_7-6-installer-kernel-panics-on-virtualbox_kvm/", "title": "OpenBSD 7.5/7.6\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u304cVirtualBox/KVM\u3067kernel panic", "content_html": "
\n
\n

\n
\n

Linux\u4e0a\u306e\u4eee\u60f3\u30de\u30b7\u30f3\u4e0a\u3067OpenBSD\u3092\u5c0e\u5165\u3057\u3088\u3046\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u304c\uff0cQEMU KVM\uff0cVirtualBox\u3067\u8a66\u3057\u305f\u3068\u3053\u308d\u3069\u3061\u3089\u3082\u30c7\u30a3\u30b9\u30af\u3078\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u4e2d\u306bkernel panic\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\uff0e
\nOpenBSD 7.5 amd64\u3067\u8d77\u3053\u308a\uff0c\u6700\u8fd1\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305fOpenBSD 7.6 amd64\u3067\u518d\u5ea6\u8a66\u3057\u3066\u540c\u69d8\u306e\u52d5\u304d\u3068\u306a\u308a\u307e\u3057\u305f\uff0e
\n\u4eca\u56de\u691c\u7d22\u3057\u3066\u89e3\u6c7a\u3057\u307e\u3057\u305f\uff0e

\n
\n

\n

\n
\n
\n

VirtualBox

\n
\n
\n

iso\u30a4\u30e1\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u3067\u30c7\u30a3\u30b9\u30af\u3078\u306e\u66f8\u304d\u8fbc\u307f\u4e2d\u306b\u3053\u306e\u3088\u3046\u306a\u611f\u3058\u3067panic\u3068\u306a\u308a\u307e\u3059\uff0e

\n
\n
\n

\"vbox

\n
\n
\n
\n
wdc_atapi_start: not ready, st = 40\n   fatal protection fault in supervisor mode\ntrap type 4 code 0 rip ffffffff810073c9 cs 8 rflags 10286 cr2 27874f000 cpl 3 rsp ffff80001cce4a58\ngsbase 0xffffffff81938ff0  kgsbase 0x0 =\npanic: trap type 4, code=0, pc=ffffffff810073c9\nsyncing disks... 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8  giving up
\n
\n
\n
\n

\u691c\u7d22\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u3092\u898b\u3064\u3051\u307e\u3057\u305f\uff0e

\n
\n
\n\n
\n
\n

2\u3064\u306e\u65b9\u6cd5\u304c\u8f09\u3063\u3066\u3044\u307e\u3059\uff0e\u4eca\u56de\u81ea\u5206\u306e\u74b0\u5883\u3067\u306f\u3053\u306e\u4e21\u65b9\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3057\u305f\uff0e

\n
\n
\n
    \n
  • \n

    \u30c7\u30a3\u30b9\u30af\u3092\u53ef\u5909\u30b5\u30a4\u30ba\u3067\u306f\u306a\u304f\u56fa\u5b9a\u30b5\u30a4\u30ba\u306b\u3059\u308b\uff0e(\u4eee\u60f3\u30de\u30b7\u30f3\u4f5c\u6210\u6642\u306b\u300c\u5168\u30b5\u30a4\u30ba\u306e\u4e8b\u524d\u5272\u5f53\u3066\u300d\u306b\u30c1\u30a7\u30c3\u30af)

    \n
    • \n
  • \n

    \u300c\u8a2d\u5b9a\u300d\u300c\u30b7\u30b9\u30c6\u30e0\u300d\u300c\u30de\u30b6\u30fc\u30dc\u30fc\u30c9\u300d\u300c\u62e1\u5f35\u6a5f\u80fd\u300d\u306e\u300cI/O ACPI \u3092\u6709\u52b9\u5316\u300d\u306e\u30c1\u30a7\u30c3\u30af\u3092\u5916\u3059\uff0e

    \n
    • \n
\n
\n
\n

\"vbox
\n\"vbox

\n
\n
\n

\"vbox

\n
\n
\n
\n
\n

QEMU KVM

\n
\n
\n

KVM\u3067\u3082\u540c\u69d8\u306b\u30c7\u30a3\u30b9\u30af\u66f8\u304d\u8fbc\u307f\u6642\u306bpanic\u306b\u306a\u308a\u307e\u3059\uff0e\u3088\u304f\u898b\u308b\u3068VirtualBox\u3068\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5c11\u3057\u9055\u3044\u307e\u3059\u306d\uff0e

\n
\n
\n

\"openbsd

\n
\n
\n
\n
wdc_atapi_start: not ready, st = S0_\nfatal protection fault in supervisor mode\ntrap type 4 code 0 rip ffffffff810073c9 cs 8 rflags 10286 cr2 7ea021334f88 cpl 3 rsp ffff80001dSaS6d0\ngsbase 0xffffffff81938ff0  kgsbase 0x0\npanic: trap type 4, code=0, pc=ffffffff810073c9\nsyncing disks...8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8  giving up\n\ndump to dev 17,1 not possible\nrebooting...
\n
\n
\n
\n

\u306f\u3058\u3081\u8a2d\u5b9a\u304b\u3089I/O ACPI\u95a2\u9023\u306e\u8a2d\u5b9a\u3092\u63a2\u305d\u3046\u304b\u3068\u3082\u601d\u3044\u307e\u3057\u305f\u304c\u3084\u3063\u3071\u308a\u691c\u7d22\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u3092\u898b\u3064\u3051\u307e\u3057\u305f\uff0e\u4eca\u56de\u306e\u73fe\u8c61\u305d\u306e\u307e\u307e\u307d\u3044\u3067\u3059\uff0e

\n
\n
\n\n
\n
\n

\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30e1\u30c7\u30a3\u30a2\u306e\u4eee\u60f3\u30c7\u30a3\u30b9\u30af\u30c7\u30d0\u30a4\u30b9\u306e\u300c\u30c7\u30a3\u30b9\u30af\u30d0\u30b9\u300d\u3092`IDE`\u304b\u3089`SATA`\u306b\u5909\u66f4\u3067OK\u305d\u3046\u3067\u3059\uff0e
\nvirt-manager\u5229\u7528\u6642\u306b\u306f\uff0c\u65b0\u3057\u3044\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u4f5c\u6210\u6642\u306b\u300c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u524d\u306b\u8a2d\u5b9a\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u300d\u306b\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u30c7\u30a3\u30b9\u30af\u30d0\u30b9\u3092\u5909\u66f4\u3057\u3066\u9032\u3081\u308b\u3068\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u6210\u529f\u3057\u307e\u3057\u305f\uff0e

\n
\n
\n

\"openbsd
\n\"openbsd

\n
\n
\n

\"openbsd

\n
\n
\n
\u74b0\u5883
\n
\n
$ dpkg-query -W virtualbox qemu-system-x86 virt-manager\nqemu-system-x86 1:9.1.1+ds-2\nvirt-manager    1:4.1.0-4\nvirtualbox      7.0.20-dfsg-1\n$ lsb_release -dr\nDescription:    Debian GNU/Linux trixie/sid\nRelease:        n/a\n$ arch\nx86_64
\n
\n
\n
\n
\n", "content_text": "Linux\u4e0a\u306e\u4eee\u60f3\u30de\u30b7\u30f3\u4e0a\u3067OpenBSD\u3092\u5c0e\u5165\u3057\u3088\u3046\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u304c\uff0cQEMU KVM\uff0cVirtualBox\u3067\u8a66\u3057\u305f\u3068\u3053\u308d\u3069\u3061\u3089\u3082\u30c7\u30a3\u30b9\u30af\u3078\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u4e2d\u306bkernel panic\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\uff0e\nOpenBSD 7.5 amd64\u3067\u8d77\u3053\u308a\uff0c\u6700\u8fd1\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305fOpenBSD 7.6 amd64\u3067\u518d\u5ea6\u8a66\u3057\u3066\u540c\u69d8\u306e\u52d5\u304d\u3068\u306a\u308a\u307e\u3057\u305f\uff0e\n\u4eca\u56de\u691c\u7d22\u3057\u3066\u89e3\u6c7a\u3057\u307e\u3057\u305f\uff0e\n\n\n\n\n\nVirtualBox\n\n\niso\u30a4\u30e1\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u3067\u30c7\u30a3\u30b9\u30af\u3078\u306e\u66f8\u304d\u8fbc\u307f\u4e2d\u306b\u3053\u306e\u3088\u3046\u306a\u611f\u3058\u3067panic\u3068\u306a\u308a\u307e\u3059\uff0e\n\n\n\n\n\n\nwdc_atapi_start: not ready, st = 40\n fatal protection fault in supervisor mode\ntrap type 4 code 0 rip ffffffff810073c9 cs 8 rflags 10286 cr2 27874f000 cpl 3 rsp ffff80001cce4a58\ngsbase 0xffffffff81938ff0 kgsbase 0x0 =\npanic: trap type 4, code=0, pc=ffffffff810073c9\nsyncing disks... 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 giving up\n\n\n\n\u691c\u7d22\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u3092\u898b\u3064\u3051\u307e\u3057\u305f\uff0e\n\n\n\n\nKernel panic while install OpenBSD – Unix & Linux Stack Exchange\n\n\n\n\n2\u3064\u306e\u65b9\u6cd5\u304c\u8f09\u3063\u3066\u3044\u307e\u3059\uff0e\u4eca\u56de\u81ea\u5206\u306e\u74b0\u5883\u3067\u306f\u3053\u306e\u4e21\u65b9\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3057\u305f\uff0e\n\n\n\n\n\u30c7\u30a3\u30b9\u30af\u3092\u53ef\u5909\u30b5\u30a4\u30ba\u3067\u306f\u306a\u304f\u56fa\u5b9a\u30b5\u30a4\u30ba\u306b\u3059\u308b\uff0e(\u4eee\u60f3\u30de\u30b7\u30f3\u4f5c\u6210\u6642\u306b\u300c\u5168\u30b5\u30a4\u30ba\u306e\u4e8b\u524d\u5272\u5f53\u3066\u300d\u306b\u30c1\u30a7\u30c3\u30af)\n\n\n\u300c\u8a2d\u5b9a\u300d\u300c\u30b7\u30b9\u30c6\u30e0\u300d\u300c\u30de\u30b6\u30fc\u30dc\u30fc\u30c9\u300d\u300c\u62e1\u5f35\u6a5f\u80fd\u300d\u306e\u300cI/O ACPI \u3092\u6709\u52b9\u5316\u300d\u306e\u30c1\u30a7\u30c3\u30af\u3092\u5916\u3059\uff0e\n\n\n\n\n\n\n\n\n\n\n\n\n\nQEMU KVM\n\n\nKVM\u3067\u3082\u540c\u69d8\u306b\u30c7\u30a3\u30b9\u30af\u66f8\u304d\u8fbc\u307f\u6642\u306bpanic\u306b\u306a\u308a\u307e\u3059\uff0e\u3088\u304f\u898b\u308b\u3068VirtualBox\u3068\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5c11\u3057\u9055\u3044\u307e\u3059\u306d\uff0e\n\n\n\n\n\n\nwdc_atapi_start: not ready, st = S0_\nfatal protection fault in supervisor mode\ntrap type 4 code 0 rip ffffffff810073c9 cs 8 rflags 10286 cr2 7ea021334f88 cpl 3 rsp ffff80001dSaS6d0\ngsbase 0xffffffff81938ff0 kgsbase 0x0\npanic: trap type 4, code=0, pc=ffffffff810073c9\nsyncing disks...8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 giving up\n\ndump to dev 17,1 not possible\nrebooting...\n\n\n\n\u306f\u3058\u3081\u8a2d\u5b9a\u304b\u3089I/O ACPI\u95a2\u9023\u306e\u8a2d\u5b9a\u3092\u63a2\u305d\u3046\u304b\u3068\u3082\u601d\u3044\u307e\u3057\u305f\u304c\u3084\u3063\u3071\u308a\u691c\u7d22\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u3092\u898b\u3064\u3051\u307e\u3057\u305f\uff0e\u4eca\u56de\u306e\u73fe\u8c61\u305d\u306e\u307e\u307e\u307d\u3044\u3067\u3059\uff0e\n\n\n\n\nFixing OpenBSD panic dc_atapi_start: not ready in KVM – Wesley Moore\n\n\n\nWhen I tried to install OpenBSD 7.3 in QEMU, I received this error and the virtual machine rebooted. : r/openbsd\n\n\n\n\n\n\n\n\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30e1\u30c7\u30a3\u30a2\u306e\u4eee\u60f3\u30c7\u30a3\u30b9\u30af\u30c7\u30d0\u30a4\u30b9\u306e\u300c\u30c7\u30a3\u30b9\u30af\u30d0\u30b9\u300d\u3092`IDE`\u304b\u3089`SATA`\u306b\u5909\u66f4\u3067OK\u305d\u3046\u3067\u3059\uff0e\nvirt-manager\u5229\u7528\u6642\u306b\u306f\uff0c\u65b0\u3057\u3044\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u4f5c\u6210\u6642\u306b\u300c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u524d\u306b\u8a2d\u5b9a\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u300d\u306b\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u30c7\u30a3\u30b9\u30af\u30d0\u30b9\u3092\u5909\u66f4\u3057\u3066\u9032\u3081\u308b\u3068\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u6210\u529f\u3057\u307e\u3057\u305f\uff0e\n\n\n\n\n\n\n\n\n\n\u74b0\u5883\n\n$ dpkg-query -W virtualbox qemu-system-x86 virt-manager\nqemu-system-x86 1:9.1.1+ds-2\nvirt-manager 1:4.1.0-4\nvirtualbox 7.0.20-dfsg-1\n$ lsb_release -dr\nDescription: Debian GNU/Linux trixie/sid\nRelease: n/a\n$ arch\nx86_64", "date_published": "2024-10-28T06:59:52+09:00", "date_modified": "2024-10-28T17:18:13+09:00", "authors": [ { "name": "matoken", "url": "https://matoken.org/blog/author/matoken/", "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g" } ], "author": { "name": "matoken", "url": "https://matoken.org/blog/author/matoken/", "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g" }, "tags": [ "kvm", "OpenBSD", "qemu", "virt-manager", "VirtualBox", "Debian", "Linux", "sid" ] }, { "id": "http://matoken.org/blog/?p=2141", "url": "https://matoken.org/blog/2018/09/26/mount-qcow2-image/", "title": "qcow2 \u30a4\u30e1\u30fc\u30b8\u3092\u30de\u30a6\u30f3\u30c8", "content_html": "
\n
\n
\n

qemu\u3084KVM\u3067\u3088\u304f\u4f7f\u308f\u308c\u308bqcow2\u30a4\u30e1\u30fc\u30b8\u306e\u30de\u30a6\u30f3\u30c8\u3092\u884c\u3044\u307e\u3057\u305f\uff0e

\n
\n
\n
\u30a4\u30e1\u30fc\u30b8\u306e\u78ba\u8a8d
\n
\n
$ sudo qemu-img info /var/lib/libvirt/images/Debian.qcow2\r\nimage: /var/lib/libvirt/images/Debian.qcow2\r\nfile format: qcow2\r\nvirtual size: 20G (21474836480 bytes)\r\ndisk size: 20G\r\ncluster_size: 65536\r\nFormat specific information:\r\n\tcompat: 1.1\r\n\tlazy refcounts: true\r\n\trefcount bits: 16\r\n\tcorrupt: false
\n
\n
\n
\n
nbd \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u8aad\u307f\u8fbc\u307f
\n
\n
$ sudo modprobe nbd
\n
\n
\n
\n
qcow2 \u30a4\u30e1\u30fc\u30b8\u306e\u30d0\u30a4\u30f3\u30c9
\n
\n
$ sudo qemu-nbd -c /dev/nbd0 /var/lib/libvirt/images/Debian.qcow2\r\n$ sudo fdisk -l /dev/nbd0\r\n\u30c7\u30a3\u30b9\u30af /dev/nbd0: 20 GiB, 21474836480 \u30d0\u30a4\u30c8, 41943040 \u30bb\u30af\u30bf\r\n\u5358\u4f4d: \u30bb\u30af\u30bf (1 * 512 = 512 \u30d0\u30a4\u30c8)\r\n\u30bb\u30af\u30bf\u30b5\u30a4\u30ba (\u8ad6\u7406 / \u7269\u7406): 512 \u30d0\u30a4\u30c8 / 512 \u30d0\u30a4\u30c8\r\nI/O \u30b5\u30a4\u30ba (\u6700\u5c0f / \u63a8\u5968): 512 \u30d0\u30a4\u30c8 / 512 \u30d0\u30a4\u30c8\r\n\u30c7\u30a3\u30b9\u30af\u30e9\u30d9\u30eb\u306e\u30bf\u30a4\u30d7: dos\r\n\u30c7\u30a3\u30b9\u30af\u8b58\u5225\u5b50: 0x3c0808c8\r\n\r\n\u30c7\u30d0\u30a4\u30b9    \u8d77\u52d5 \u958b\u59cb\u4f4d\u7f6e \u7d42\u4e86\u4f4d\u7f6e   \u30bb\u30af\u30bf \u30b5\u30a4\u30ba Id \u30bf\u30a4\u30d7\r\n/dev/nbd0p1 *        2048   499711   497664   243M 83 Linux\r\n/dev/nbd0p2        501758 41940991 41439234  19.8G  5 \u62e1\u5f35\u9818\u57df\r\n/dev/nbd0p5        501760 41940991 41439232  19.8G 83 Linux
\n
\n
\n
\n
kpartx \u3067\u30c7\u30d0\u30a4\u30b9\u30de\u30c3\u30d4\u30f3\u30b0
\n
\n
$ sudo kpartx /dev/nbd0\r\nnbd0p1 : 0 497664 /dev/nbd0 2048\r\nnbd0p2 : 0 2 /dev/nbd0 501758\r\nnbd0p5 : 0 41439232 /dev/dm-1 2
\n
\n
\n
\n\n
\n
\n
dm-crypt \u3067\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u30c7\u30d0\u30a4\u30b9\u3092\u30aa\u30fc\u30d7\u30f3
\n
\n
$ sudo cryptsetup open /dev/nbd0p5 crypt\r\nEnter passphrase for /dev/nbd0p5:
\n
\n
\n
\n
lvm\u9818\u57df\u306a\u306e\u3067\u30b9\u30ad\u30e3\u30f3\u3059\u308b
\n
\n
$ sudo lvmdiskscan\r\n    :\r\n  /dev/mapper/crypt                                     [     <19.76 GiB] LVM physical volume\r\n  /dev/nbd0p5                                           [     <19.76 GiB]\r\n  /dev/debian-vg/root                                   [      18.75 GiB]\r\n  /dev/debian-vg/swap_1                                 [       1.00 GiB]\r\n    :
\n
\n
\n
\n
\u30de\u30a6\u30f3\u30c8\u3057\u3066\u5185\u5bb9\u78ba\u8a8d
\n
\n
$ sudo mount -o ro /dev/debian-vg/root /mnt\r\n$ ls /mnt/\r\nbin   dev  home        initrd.img.old  lib64       media  opt   root  sbin  sys  usr  vmlinuz\r\nboot  etc  initrd.img  lib             lost+found  mnt    proc  run   srv   tmp  var  vmlinuz.old
\n
\n
\n
\n
\u3053\u3046\u3044\u3046\u3082\u306e\u3082\u3042\u308b\u3088\u3046\u3067\u3059\u304c\u672a\u78ba\u8a8d
\n\n
\n
\n
\n
Table of Contents
\n\n
\n
\n
\n

\u74b0\u5883

\n
\n
\n
\n
$ dpkg-query -W kpartx qemu-utils fdisk cryptsetup lvm2 mount linux-image-`uname -r`\r\ncryptsetup      2:2.0.4-2\r\nfdisk   2.32.1-0.1\r\nkpartx  0.7.7-1\r\nlinux-image-4.18.0-1-amd64      4.18.8-1\r\nlvm2    2.02.176-4.1\r\nmount   2.32.1-0.1\r\nqemu-utils      1:2.12+dfsg-3\r\n$ lsb_release -d\r\nDescription:    Debian GNU/Linux unstable (sid)\r\n$ uname -m\r\nx86_64
\n
\n
\n
\n
\n", "content_text": "qemu\u3084KVM\u3067\u3088\u304f\u4f7f\u308f\u308c\u308bqcow2\u30a4\u30e1\u30fc\u30b8\u306e\u30de\u30a6\u30f3\u30c8\u3092\u884c\u3044\u307e\u3057\u305f\uff0e\n\n\n\u30a4\u30e1\u30fc\u30b8\u306e\u78ba\u8a8d\n\n$ sudo qemu-img info /var/lib/libvirt/images/Debian.qcow2\r\nimage: /var/lib/libvirt/images/Debian.qcow2\r\nfile format: qcow2\r\nvirtual size: 20G (21474836480 bytes)\r\ndisk size: 20G\r\ncluster_size: 65536\r\nFormat specific information:\r\n\tcompat: 1.1\r\n\tlazy refcounts: true\r\n\trefcount bits: 16\r\n\tcorrupt: false\n\n\n\nnbd \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u8aad\u307f\u8fbc\u307f\n\n$ sudo modprobe nbd\n\n\n\nqcow2 \u30a4\u30e1\u30fc\u30b8\u306e\u30d0\u30a4\u30f3\u30c9\n\n$ sudo qemu-nbd -c /dev/nbd0 /var/lib/libvirt/images/Debian.qcow2\r\n$ sudo fdisk -l /dev/nbd0\r\n\u30c7\u30a3\u30b9\u30af /dev/nbd0: 20 GiB, 21474836480 \u30d0\u30a4\u30c8, 41943040 \u30bb\u30af\u30bf\r\n\u5358\u4f4d: \u30bb\u30af\u30bf (1 * 512 = 512 \u30d0\u30a4\u30c8)\r\n\u30bb\u30af\u30bf\u30b5\u30a4\u30ba (\u8ad6\u7406 / \u7269\u7406): 512 \u30d0\u30a4\u30c8 / 512 \u30d0\u30a4\u30c8\r\nI/O \u30b5\u30a4\u30ba (\u6700\u5c0f / \u63a8\u5968): 512 \u30d0\u30a4\u30c8 / 512 \u30d0\u30a4\u30c8\r\n\u30c7\u30a3\u30b9\u30af\u30e9\u30d9\u30eb\u306e\u30bf\u30a4\u30d7: dos\r\n\u30c7\u30a3\u30b9\u30af\u8b58\u5225\u5b50: 0x3c0808c8\r\n\r\n\u30c7\u30d0\u30a4\u30b9 \u8d77\u52d5 \u958b\u59cb\u4f4d\u7f6e \u7d42\u4e86\u4f4d\u7f6e \u30bb\u30af\u30bf \u30b5\u30a4\u30ba Id \u30bf\u30a4\u30d7\r\n/dev/nbd0p1 * 2048 499711 497664 243M 83 Linux\r\n/dev/nbd0p2 501758 41940991 41439234 19.8G 5 \u62e1\u5f35\u9818\u57df\r\n/dev/nbd0p5 501760 41940991 41439232 19.8G 83 Linux\n\n\n\nkpartx \u3067\u30c7\u30d0\u30a4\u30b9\u30de\u30c3\u30d4\u30f3\u30b0\n\n$ sudo kpartx /dev/nbd0\r\nnbd0p1 : 0 497664 /dev/nbd0 2048\r\nnbd0p2 : 0 2 /dev/nbd0 501758\r\nnbd0p5 : 0 41439232 /dev/dm-1 2\n\n\n\n\n\n\u30c7\u30a3\u30b9\u30af\u30a4\u30e1\u30fc\u30b8\u306e\u30c7\u30d0\u30a4\u30b9\u30de\u30c3\u30d7\u304c\u7c21\u5358\u306b\u4f5c\u308c\u308bkpartx\u3092\u8a66\u3059 \u2013 matoken\u2019s meme\n\n\n\n\ndm-crypt \u3067\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u30c7\u30d0\u30a4\u30b9\u3092\u30aa\u30fc\u30d7\u30f3\n\n$ sudo cryptsetup open /dev/nbd0p5 crypt\r\nEnter passphrase for /dev/nbd0p5:\n\n\n\nlvm\u9818\u57df\u306a\u306e\u3067\u30b9\u30ad\u30e3\u30f3\u3059\u308b\n\n$ sudo lvmdiskscan\r\n :\r\n /dev/mapper/crypt [ <19.76 GiB] LVM physical volume\r\n /dev/nbd0p5 [ <19.76 GiB]\r\n /dev/debian-vg/root [ 18.75 GiB]\r\n /dev/debian-vg/swap_1 [ 1.00 GiB]\r\n :\n\n\n\n\u30de\u30a6\u30f3\u30c8\u3057\u3066\u5185\u5bb9\u78ba\u8a8d\n\n$ sudo mount -o ro /dev/debian-vg/root /mnt\r\n$ ls /mnt/\r\nbin dev home initrd.img.old lib64 media opt root sbin sys usr vmlinuz\r\nboot etc initrd.img lib lost+found mnt proc run srv tmp var vmlinuz.old\n\n\n\n\u3053\u3046\u3044\u3046\u3082\u306e\u3082\u3042\u308b\u3088\u3046\u3067\u3059\u304c\u672a\u78ba\u8a8d\n\n\nvasi/qcow2-fuse: Gain access to qcow2 virtual disk images as a user-space filesystem\n\n\n\n\n\nTable of Contents\n\n\u74b0\u5883\n\n\n\n\n\u74b0\u5883\n\n\n\n$ dpkg-query -W kpartx qemu-utils fdisk cryptsetup lvm2 mount linux-image-`uname -r`\r\ncryptsetup 2:2.0.4-2\r\nfdisk 2.32.1-0.1\r\nkpartx 0.7.7-1\r\nlinux-image-4.18.0-1-amd64 4.18.8-1\r\nlvm2 2.02.176-4.1\r\nmount 2.32.1-0.1\r\nqemu-utils 1:2.12+dfsg-3\r\n$ lsb_release -d\r\nDescription: Debian GNU/Linux unstable (sid)\r\n$ uname -m\r\nx86_64", "date_published": "2018-09-26T21:39:40+09:00", "date_modified": "2018-09-26T21:39:40+09:00", "authors": [ { "name": "matoken", "url": "https://matoken.org/blog/author/matoken/", "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g" } ], "author": { "name": "matoken", "url": "https://matoken.org/blog/author/matoken/", "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g" }, "tags": [ "kvm", "mount", "qcow2", "qemu", "Debian", "Linux", "sid" ] } ] }