{"id":4385,"date":"2014-07-31T12:37:13","date_gmt":"2014-07-31T03:37:13","guid":{"rendered":"http:\/\/www.vincentina.net\/?p=4385"},"modified":"2025-02-25T21:33:39","modified_gmt":"2025-02-25T12:33:39","slug":"pvpanic%e3%82%92%e8%a9%a6%e3%81%97%e3%81%a6%e3%81%bf%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.vincentina.net\/?p=4385","title":{"rendered":"pvpanic\u3092\u8a66\u3057\u3066\u307f\u308b"},"content":{"rendered":"

\u4eca\u306f\u6614\u3001\u53bb\u5e747\u6708\u306eSoftwareDesgin\u306b\u8f09\u3063\u3066\u3044\u305fkernel3.10\u304b\u3089\u306e\u65b0\u6a5f\u80fd\u3067\u3001pvpanic\u3068\u3044\u3046\u3084\u3064\u306e\u8a18\u4e8b\u3092\u898b\u305f\u3068\u304d\u306b\u308f\u308a\u3068\u885d\u6483\u3092\u53d7\u3051\u3066\u3001\u3044\u3064\u306e\u65e5\u304b\u4f7f\u3063\u3066\u3084\u308b\u3093\u3060\uff5e\uff01\u3068\u601d\u3044\u306a\u304c\u3089\u3082\u5225\u306b\u4f55\u3082\u3057\u306a\u3044\u65e5\u304c\u7d9a\u3044\u3066\u3044\u305f\u3002<\/p>\n

\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u306fKVM\u3067VPS\u5316\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u307e\u305f\u6700\u521d\u304b\u3089\u8a2d\u5b9a\u3092\u3084\u308a\u76f4\u3059\u306e\u304c\u3081\u3093\u3069\u304f\u3055\u3044\u304b\u3089\u3053\u306e\u307e\u307e\u306b\u3057\u3066\u304a\u304d\u305f\u304b\u3063\u305f\u306e\u3060\u3051\u3069\u3001\u4ed5\u65b9\u306a\u3044\u306e\u3067\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3000\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002
\n\u6700\u9ad8\u306e\u30ea\u30a2\u30eb\u304c\u5411\u3053\u3046\u3084\u3063\u3066\u304d\u305f\u306e\u3060\u3002<\/p>\n

\u4eca\u56de\u306f\u3044\u3064\u3082\u3068\u5927\u304d\u304f\u9055\u3063\u3066\u3066\u3001\u60c5\u5831\u304c\u5168\u7136\u306a\u3044\u3068\u3044\u3046\u4e8b\u306a\u3093\u3060\u304c\u3001\u307e\u3041\u3084\u3063\u3066\u307f\u308b\u304b\u3068\u3002
\n\u691c\u8a3c\u306f\u5931\u6557\u306a\u306e\u3067\u3059\u304c\u3001\u65b0\u3057\u3044\u4e8b\u3082\u5206\u304b\u3063\u305f\u306e\u3067\u4f5c\u696d\u30e1\u30e2\u7684\u306b\u6b8b\u3057\u3066\u304a\u304d\u307e\u3046\u3002<\/p>\n

\u307e\u305a\u306f\u3001OS\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u4f5c\u696d\u3092\u3057\u307e\u3059\u3002
\n\u306f\u3044\u3001\u51fa\u6765\u305f\u306e\u304c\u3053\u308c\u3002<\/p>\n

# cat \/etc\/redhat-release\r\nCentOS Linux release 7.0.1406 (Core)<\/pre>\n
# uname -ri\r\n3.10.0-123.el7.x86_64 x86_64<\/pre>\n
# lsmod | grep kvm\r\nkvm_intel\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 138567\u00a0 0\r\nkvm\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 441119\u00a0 1 kvm_intel<\/pre>\n
\u4eca\u56de(CentOS7)\u304b\u3089\u306f\u3001KVM\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u6700\u521d\u304b\u3089\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3060\u306d\u3002
\nKVM\u306e\u6e96\u5099\u3060\u3051\u3069\u3001CentOS7\u3067\u5fc5\u8981\u306a\u3082\u306e\u3068\u304b\u691c\u8a3c\u3057\u3066\u3044\u308b\u3072\u307e\u306f\u306a\u3044\u306e\u3067\u3001\u904e\u53bb\u306e\u65e5\u8a18\u3092\u53c2\u7167\u3057\u3066\u5168\u90e8\u3044\u308c\u3061\u3083\u3048\u3002<\/p>\n
# yum groupinstall Virtualization \"Virtualization Client\"\\\r\n\"Virtualization Platform\" \"Virtualization Tools\"<\/pre>\n
# yum install gcc kernel-devel zlib-devel pciutils-devel pciutils-libs\\\r\nglib2-devel\u3000bridge-utils<\/pre>\n
\u3069\u3046\u3084\u3089\u3001\u3046\u307e\u304f\u5165\u3063\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n
\u3055\u3066\u3053\u3053\u3067\u3001PVPANIC\u306b\u5fc5\u8981\u306a\u3082\u306e\u3067\u3059\u304c\u3002
\n\u30fbQEMU 1.5\u4ee5\u964d
\n\u30fbLinux\u30ab\u30fc\u30cd\u30eb3.10\u4ee5\u964d
\n\u30fbseabios\u306egit\u7248
\n\u57fa\u672c\u306f\u3053\u306e3\u70b9\u3089\u3057\u3044\u3002
\n\u3042\u3068\u305d\u308d\u3063\u3066\u3044\u306a\u3044\u306e\u306f\u3001seabios\u306egit\u7248\u306a\u306e\u3067\u7528\u610f\u3092\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3060\u304c\u3002
\nseabios\u3060\u3063\u3066\uff1f\uff1f<\/span>
\n\u3082\u3061\u308d\u3093seabios\u3063\u3066\u306a\u3093\u3060\uff1f<\/span>\u3063\u3066\u72b6\u614b\u3060\u3088\uff01
\nseabios\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u3044\u3063\u3066\u307f\u3088\u3046\u3002<\/p>\n
# yum -y install iasl\u00a0 \r\n# git clone git:\/\/git.qemu.org\/seabios.git seabios.git\r\n# cd seabios.git\r\n# make<\/pre>\n
\u3068\u3001\u3053\u3053\u3067\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3093\u3060\u304c\u3001make\u3067\u304d\u306a\u3044\u306e\u306fseabios\u306e\u30d0\u30b0\u3089\u3057\u3044\u3002<\/p>\n
[root@testserver seabios.git]# make\r\n\u00a0 Building ld scripts\r\nVersion: rel-1.7.5-41-g3aa31d7-20140729_192734-testserver\r\nTraceback (most recent call last):\r\n\u00a0 File \".\/scripts\/layoutrom.py\", line 685, in <module>\r\n\u00a0\u00a0\u00a0 main()\r\n\u00a0 File \".\/scripts\/layoutrom.py\", line 629, in main\r\n\u00a0\u00a0\u00a0 info16 = parseObjDump(infile16, '16')\r\n\u00a0 File \".\/scripts\/layoutrom.py\", line 544, in parseObjDump\r\n\u00a0\u00a0\u00a0 relocsection = sectionmap[sectionname]\r\nKeyError: '.text.on_extra_stack'\r\nmake: *** [out\/romlayout16.lds] \u30a8\u30e9\u30fc 1<\/pre>\n
\u89e3\u6c7a\u3059\u308b\u306b\u306f<\/p>\n
[root@testserver seabios.git]# LC_ALL=C make\r\n\u00a0 Building ld scripts\r\nVersion: rel-1.7.5-41-g3aa31d7-20140729_192834-testserver\r\nFixed space: 0xe05b-0x10000\u00a0 total: 8101\u00a0 slack: 10\u00a0 Percent slack: 0.1%\r\n16bit size:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 35432\r\n32bit segmented size: 2127\r\n32bit flat size:\u00a0\u00a0\u00a0\u00a0\u00a0 22736\r\n32bit flat init size: 70848\r\nLowmem size:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2160\r\nf-segment var size:\u00a0\u00a0 1193\r\n\u00a0 Linking out\/rom16.o\r\n\u00a0 Stripping out\/rom16.strip.o\r\n\u00a0 Linking out\/rom32seg.o\r\n\u00a0 Stripping out\/rom32seg.strip.o\r\n\u00a0 Linking out\/rom.o\r\n\u00a0 Prepping out\/bios.bin.prep\r\nTotal size: 138364\u00a0 Fixed: 61488\u00a0 Free: 123780 (used 52.8% of 256KiB rom)\r\n\u00a0 Creating out\/bios.bin<\/pre>\n
\u3053\u308c\u3067seabios\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u304a\u308f\u3063\u305f\u3002
\n\u3053\u308c\u3067\u3044\u3044\u306e\u304b\u3069\u3046\u304b\u306f\u5206\u304b\u3089\u306a\u3044\u304c\u3001\u3068\u306b\u304b\u304f\u9032\u3080\u3057\u304b\u306a\u3044\u3002
\n\u306a\u305c\u306a\u3089\u623b\u30ea\u65b9\u304c\u5206\u304b\u3089\u306a\u3044<\/span>\u304b\u3089\u3002<\/p>\n
\u3072\u3068\u307e\u305a\u9053\u5177\u3060\u3051\u306f\u4e00\u901a\u308a\u63c3\u3063\u305f\u306e\u3067\u3001\u672c\u306b\u66f8\u3044\u3066\u3042\u308b\u3088\u3046\u306a\u78ba\u8a8d\u3092\u3061\u3087\u3053\u3063\u3068\u9032\u3081\u3066\u307f\u308b\u3002<\/p>\n
# modprobe pvpanic\r\n# lsmod | grep panic<\/pre>\n
\u3046\u3093\u3068\u3082\u3059\u3093\u3068\u3082\u3001\u306b\u3093\u3068\u3082\u304b\u3093\u3068\u3082\u306a\u306e\u3067\u3059\u3002
\n\u6839\u672c\u7684\u306b\u9593\u9055\u3063\u3066\u3044\u305f\u3088\u3046\u3067\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u518d\u69cb\u7bc9\u304c\u5fc5\u8981\u304b\u3068\u3002<\/p>\n
\u306e\u3061\u306e\u3061\u5fc5\u8981\u306b\u306a\u3063\u305f\u3082\u306e\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002<\/p>\n
# yum install ncurses ncurses-devel.x86_64 bc<\/pre>\n
\u3067\u306f\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u7b2c22\u7ae0\u3002<\/p>\n
# curl -O https:\/\/www.kernel.org\/pub\/linux\/kernel\/v3.x\/linux-3.10.50.tar.xz\r\n# tar zxvf linux-3.10.50.tar.xz\r\n# xz -dv linux-3.10.50.tar.xz\r\n# tar -xvf linux-3.10.50.tar\r\n# cd linux-3.10.50<\/pre>\n
\u3053\u3053\u304b\u3089\u306f\u5b9a\u756a\u306e\u8a66\u9a13\u306b\u51fa\u308b\u30b3\u30fc\u30b9\u304b\u306a\uff1f<\/p>\n
# cp \/boot\/config-3.10.0-123.4.4.el7.x86_64 .config\r\n# make oldconfig\r\n# make menuconfig<\/pre>\n
menuconfig\u3001\u3053\u308c\u3067\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb\u306a\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3092\u3059\u308b\u3002<\/p>\n
\"panic01\"<\/a><\/p>\n
\u3042\u308a\u307e\u3057\u305f\u306d\u3002
\n\u3053\u306e\u4e00\u756a\u4e0b\u306e\u65b9\u306b\u898b\u3048\u3066\u3044\u308b\u3084\u3064\u3092\u6709\u52b9\u306b\u3057\u3066\u30d3\u30eb\u30c9\u3002<\/p>\n
Device Drivers ---\r\n\u00a0 [*] x86 Platform Specific Device Drivers ---\r\n\u00a0\u00a0\u00a0\u00a0 <M> pvpanic device support<\/pre>\n
\u3055\u3066<\/p>\n
# make<\/pre>\n
\u9577\u3044\u305e\uff01\uff01<\/span><\/strong><\/p>\n
# make modules_install\r\n# make install\r\n# make install\r\nsh \/root\/linux-3.10.50\/arch\/x86\/boot\/install.sh 3.10.50 arch\/x86\/boot\/bzImage \\\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.map \"\/boot\"<\/pre>\n
\u5bdd\u308b\u524d\u306b\u3084\u3063\u305f\u306e\u3067\u3001make\u304c\u9577\u304f\u3066\u7d50\u5c40\u306f1\u65e5\u7d4c\u904e\u3057\u3066\u304b\u3089\u51fa\u6765\u4e0a\u304c\u308a\u307e\u3057\u305f\u3002
\ngrub.conf\u306f\u66f8\u304d\u63db\u3048\u306f\u305b\u305a\u306bgrub\u304b\u3089\u9078\u629e\u3057\u3066\u8d77\u52d5\u3002<\/p>\n
# uname -ir\r\n3.10.50 x86_64<\/pre>\n
\u305d\u3057\u3066\u3001\u30c1\u30a7\u30c3\u30af\u3002<\/p>\n
[root@testserver ~]# modprobe pvpanic\r\n[root@testserver ~]# lsmod\r\nModule\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Size\u00a0 Used by\r\npvpanic\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 12801\u00a0 0<\/pre>\n
\u51fa\u307e\u3057\u305f\uff01
\n\u3053\u3053\u307e\u3067\u306f\u826f\u304b\u3063\u305f\u3051\u3069\u3002\u3053\u3053\u304b\u3089\u5148\u306f\u307e\u305f\u8b0e\u3060\u3089\u3051\u3002
\n\u306a\u3093\u3060\u304b\u3088\u304f\u5206\u304b\u3089\u306a\u3044\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305aVM\u3092\u4f5c\u3063\u3066\u307f\u308b\u3002
\n\u5931\u6557\u3057\u305f\u3089\u305d\u3053\u304b\u3089\u8003\u3048\u3088\u3046\u3002<\/p>\n
\u3002\u3002\u3002
\n\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5b8c\u4e86\u3002<\/p>\n
\u3067\u306fVM\u3092\u7acb\u3061\u4e0a\u3052\u3066\u3001\u672c\u306b\u66f8\u3044\u3066\u3042\u308b\u3088\u3046\u306a\u30c1\u30a7\u30c3\u30af\u3092\u3057\u3066\u307f\u3088\u3046\u3002
\nseabios\u3063\u3066\u306a\u3093\u3060\u3068\u601d\u3063\u3066\u305f\u3051\u3069\u3001VM\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u306bseabios<\/span><\/strong>\u3063\u3066\u66f8\u3044\u3066\u3042\u308b\u306d\u3002<\/p>\n
# strings \/sys\/firmware\/acpi\/tables\/SSDT | grep QEMU\r\nQEMU001<\/pre>\n
\u304a\u304a\u3063\u3068\uff01\u4eca\u5ea6\u306f\u3053\u306e\u8868\u793a\u304c\u51fa\u3066\u304f\u308c\u305f\u3002
\n\u3082\u3061\u308d\u3093kernel2.6\u306a\u306e\u3067\u3001pvpanic\u306f\u8868\u793a\u3055\u308c\u306a\u3044\u3002
\n\u3069\u3046\u306a\u308b\u304b\u5206\u304b\u3089\u306a\u3044\u3051\u3069\u3001\u3044\u3063\u307a\u3093\u30d1\u30cb\u30c3\u30af\u3055\u305b\u3066\u307f\u3088\u3046\u3002<\/p>\n
# echo c > \/proc\/sysrq-trigger<\/pre>\n
\u304a\u304a\u3001\u307b\u3093\u3068\u306b\u30d1\u30cb\u30c3\u30af\u3057\u305f\u3002
\n\u521d\u3081\u3066\u53e9\u3044\u305f\u3051\u3069\u3082\u3001\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u6c17\u3092\u4ed8\u3051\u3088\u3046\u3002<\/p>\n
\u3067\u3082\u30db\u30b9\u30c8OS\u306b\u306f\u4f55\u3082\u8d77\u3053\u3089\u306a\u3044\u3002
\n\u3068\u306a\u308b\u3068\u3001\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u30b2\u30b9\u30c8\u5074\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3057\u3087\u3046\u3068\u66f8\u3044\u3066\u3042\u308b\u306e\u306f\u30b2\u30b9\u30c8\u5074\u306bpvpanic\u3092\u30ed\u30fc\u30c9<\/span><\/strong>\u3057\u3088\u3046\u3068\u3044\u3046\u4e8b\u3067\u3057\u305f\u304b\uff1f
\n\u3046\u30fc\u3080\u3002
\n\u8a00\u8449\u306e\u610f\u5473\u304c\u306f\u3063\u304d\u308a\u3057\u306a\u3044\u306e\u3067\u3084\u3063\u3066\u307f\u308b\u304b\u3002
\n\u307e\u3042\u3001\u305f\u3076\u3093\u30b2\u30b9\u30c8\u5074\u306b\u5165\u308c\u308d\u3068\u3044\u3046\u3053\u3068\u3060\u308d\u3046\u3002<\/p>\n
\u4eca\u5ea6\u306fkernel2.6\u304b\u30893.10\u306a\u306e\u3067\u3001make oldconfig\u304c\u9577\u3044\u305e\uff5e\u3002
\npvpanic\u306fmenuconfig\u3067\u9078\u629e\u3067\u304d\u308b\u306e\u3067\u3001\u3053\u3053\u306f\u30a8\u30f3\u30bf\u30fc\u9023\u6253\u3067\u3082OK\u3060\u304c\u3002
\n\u30db\u30b9\u30c8OS\u3067\u30d1\u30b1\u30c3\u30c8\u304c\u629c\u3051\u308b\u8a2d\u5b9a\u3092\u3059\u3063\u304b\u308a\u5fd8\u308c\u3066\u3044\u3066\u3001VM\u5074\u3067\u306e\u540d\u524d\u89e3\u6c7a\u304c\u3067\u304d\u308b\u307e\u3067\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3060\u304c\u3001\u305d\u308c\u3082\u5fd8\u308c\u3066\u3057\u307e\u3046\u304f\u3089\u3044make\u304c\u9577\u3044\u3002<\/p>\n
\u3060\u304c\u3001\u3053\u3053\u306b\u6765\u3066\u5927\u30b7\u30e7\u30c3\u30af\u306a\u3053\u3068\u304c\u3002<\/p>\n
\u7a7a\u304d\u5bb9\u91cf\u304c\u306a\u304f\u306a\u3063\u305f\uff01\uff01\uff01<\/span><\/strong><\/p>\n
\u4ed5\u65b9\u306a\u3044\u306e\u3067\u3001VM\u306e\u69cb\u7bc9\u304b\u3089\u3084\u308a\u306a\u304a\u3059\u3053\u3068\u306b\u30fb\u30fb\u30fborz
\n\u666e\u901a\u306f\u3042\u308a\u3048\u306a\u3044\u3068\u601d\u3046\u3051\u3069\u3001vm\u3068\u304b\u3067\u904a\u3093\u3067\u308b\u6642\u306f\u7a7a\u304d\u5bb9\u91cf\u306b\u306f\u6c17\u3092\u4ed8\u3051\u307e\u3057\u3087\u3046(\u6ce3)<\/p>\n
\u3067\u306f\u3001\u6e96\u5099\u304c\u3067\u304d\u305f\u306e\u3067\u78ba\u8a8d\u304b\u3089\u3002
\nVM\u304b\u3089\u3060\u3068\u672c\u306e\u901a\u308a\u306e\u8868\u793a\u304c\u3055\u308c\u308b\u308f\u3051\u3060\u3002<\/p>\n
[root@localhost ~]# strings \/sys\/firmware\/acpi\/tables\/SSDT | grep QEMU\r\nQEMU0001\r\n[root@localhost ~]# modprobe pvpanic\r\n[root@localhost ~]# lsmod | head\r\nModule\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Size\u00a0 Used by\r\npvpanic\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1881\u00a0 0<\/pre>\n
\u3067\u306f\u3001\u30d1\u30cb\u30c3\u30af\u3055\u305b\u3066\u307f\u3088\u3046\u3002<\/p>\n
[root@localhost ~]# echo c > \/proc\/sysrq-trigger<\/pre>\n
\u305a\u304d\u3085\u30fc\u3093\u3002<\/p>\n
\"panic02\"<\/a><\/p>\n
\u30d1\u30cb\u30c3\u30af\u306f\u8d77\u3053\u308b\u3093\u3060\u304c\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u898b\u3066\u3082\u306a\u306b\u3082\u6765\u306a\u3044\u3002
\n\u8cc7\u6599\u306b\u3088\u308b\u3068\u30d1\u30cb\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u306e\u901a\u77e5\u3068\u3044\u3046\u3082\u306e\u304c\u30d1\u30cb\u30c3\u30af\u3057\u305fVM\u304b\u3089\u98db\u3070\u3055\u308c\u308b\u306e\u3067\u3001\u901a\u77e5\u3092\u53d7\u3051\u53d6\u308c\u308c\u3070OK\u306a\u306f\u305a\u3002<\/p>\n
\u3053\u3093\u306a\u30b3\u30de\u30f3\u30c9\u4e00\u89a7\u304c\u3042\u3063\u305f\u304c\u3001\u5168\u90e8\u305f\u3081\u3057\u305f\u3051\u3069\u4f55\u3082\u6765\u3066\u3044\u306a\u3044\u3002<\/p>\n
[root@testserver ~]# virsh qemu-monitor-command --hmp vm03 'info'\r\ninfo balloon\u00a0 -- show balloon information\r\ninfo block\u00a0 -- show the block devices\r\ninfo block-jobs\u00a0 -- show progress of ongoing block device operations\r\ninfo blockstats\u00a0 -- show block device statistics\r\ninfo capture\u00a0 -- show capture information\r\ninfo chardev\u00a0 -- show the character devices\r\ninfo cpus\u00a0 -- show infos for each CPU\r\ninfo history\u00a0 -- show the command line history\r\ninfo irq\u00a0 -- show the interrupts statistics (if available)\r\ninfo jit\u00a0 -- show dynamic compiler info\r\ninfo kvm\u00a0 -- show KVM information\r\ninfo mem\u00a0 -- show the active virtual memory mappings\r\ninfo mice\u00a0 -- show which guest mouse is receiving events\r\ninfo migrate\u00a0 -- show migration status\r\ninfo migrate_cache_size\u00a0 -- show current migration xbzrle cache size\r\ninfo migrate_capabilities\u00a0 -- show current migration capabilities\r\ninfo mtree\u00a0 -- show memory tree\r\ninfo name\u00a0 -- show the current VM name\r\ninfo network\u00a0 -- show the network state\r\ninfo numa\u00a0 -- show NUMA information\r\ninfo pci\u00a0 -- show PCI info\r\ninfo pcmcia\u00a0 -- show guest PCMCIA status\r\ninfo pic\u00a0 -- show i8259 (PIC) state\r\ninfo profile\u00a0 -- show profiling information\r\ninfo qdm\u00a0 -- show qdev device model list\r\ninfo qtree\u00a0 -- show device tree\r\ninfo registers\u00a0 -- show the cpu registers\r\ninfo roms\u00a0 -- show roms\r\ninfo snapshots\u00a0 -- show the currently saved VM snapshots\r\ninfo spice\u00a0 -- show the spice server status\r\ninfo status\u00a0 -- show the current VM status (running|paused)\r\ninfo tlb\u00a0 -- show virtual to physical memory mappings\r\ninfo tpm\u00a0 -- show the TPM device\r\ninfo trace-events\u00a0 -- show available trace-events & their state\r\ninfo usb\u00a0 -- show guest USB devices\r\ninfo usbhost\u00a0 -- show host USB devices\r\ninfo usernet\u00a0 -- show user network stack connection states\r\ninfo uuid\u00a0 -- show the current VM UUID\r\ninfo version\u00a0 -- show the version of QEMU\r\ninfo vnc\u00a0 -- show the vnc server status<\/pre>\n
qmp-shell\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308b\u3089\u3057\u3044\u306e\u3067\u3001\u8a66\u3057\u3066\u307f\u3088\u3046\u3002<\/p>\n
[root@testserver ~]# python qmp-shell \/var\/lib\/libvirt\/qemu\/vm03.monitor\r\nTraceback (most recent call last):\r\n\u00a0 File \"qmp-shell\", line 33, in <module>\r\n\u00a0\u00a0\u00a0 import qmp\r\nImportError: No module named qmp<\/pre>\n
qmp.py\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u307f\u305f\u3082\u306e\u306e<\/p>\n
[root@testserver ~]# python qmp-shell \/var\/lib\/libvirt\/qemu\/vm03.monitor\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ^CTraceback (most recent call last):\r\n\u00a0 File \"qmp-shell\", line 259, in <module>\r\n\u00a0\u00a0\u00a0 main()\r\n\u00a0 File \"qmp-shell\", line 245, in main\r\n\u00a0\u00a0\u00a0 qemu.connect()\r\n\u00a0 File \"qmp-shell\", line 121, in connect\r\n\u00a0\u00a0\u00a0 self._greeting = qmp.QEMUMonitorProtocol.connect(self)\r\n\u00a0 File \"\/root\/qmp.py\", line 86, in connect\r\n\u00a0\u00a0\u00a0 return self.__negotiate_capabilities()\r\n\u00a0 File \"\/root\/qmp.py\", line 53, in __negotiate_capabilities\r\n\u00a0\u00a0\u00a0 greeting = self.__json_read()\r\n\u00a0 File \"\/root\/qmp.py\", line 64, in __json_read\r\n\u00a0\u00a0\u00a0 data = self.__sockfile.readline()\r\n\u00a0 File \"\/usr\/lib64\/python2.7\/socket.py\", line 447, in readline\r\n\u00a0\u00a0\u00a0 data = self._sock.recv(self._rbufsize)<\/pre>\n
\u3069\u3046\u3082\u3046\u307e\u304f\u52d5\u3044\u3066\u3044\u306a\u3044\u69d8\u5b50\u3002<\/p>\n
virsh console\u3067\u7e4b\u3044\u3067\u307f\u305f\u3068\u3053\u308d\u3002<\/p>\n
[root@localhost ~]# SysRq : Trigger a crash\r\nBUG: unable to handle kernel NULL pointer dereference at\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (null)\r\nIP: [<ffffffff8131b366>] sysrq_handle_crash+0x16\/0x20\r\nPGD 3cc75067 PUD 3cc77067 PMD 0\r\nOops: 0002 [#1] SMP\r\nModules linked in: pvpanic ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 microcode pcspkr floppy virtio_balloon sg 8139too 8139cp mii i2c_piix4 i2c_core ext4(F) jbd2(F) mbcache(F) sr_mod(F) cdrom(F) sd_mod(F) crc_t10dif(F) virtio_pci(F) virtio_ring(F) virtio(F) pata_acpi(F) ata_generic(F) ata_piix(F) dm_mirror(F) dm_region_hash(F) dm_log(F) dm_mod(F)\r\nCPU: 0 PID: 1043 Comm: bash Tainted: GF\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3.10.0 #1\r\nHardware name: Red Hat KVM, BIOS Bochs 01\/01\/2011\r\ntask: ffff88003d991520 ti: ffff88003d7bc000 task.ti: ffff88003d7bc000\r\nRIP: 0010:[<ffffffff8131b366>]\u00a0 [<ffffffff8131b366>] sysrq_handle_crash+0x16\/0x20\r\nRSP: 0018:ffff88003d7bde58\u00a0 EFLAGS: 00010092\r\nRAX: 000000000000000f RBX: 0000000000000063 RCX: ffff88003fc0eab0\r\nRDX: 0000000000000000 RSI: ffff88003fc0cf48 RDI: 0000000000000063\r\nRBP: ffff88003d7bde58 R08: 0000000000000003 R09: 0000000000008588\r\nR10: 00000000000001e5 R11: 00000000000001e6 R12: ffffffff81aa03e0\r\nR13: 0000000000000282 R14: 0000000000000004 R15: 0000000000000000\r\nFS:\u00a0 00007f9aeb2f9700(0000) GS:ffff88003fc00000(0000) knlGS:0000000000000000\r\nCS:\u00a0 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\r\nCR2: 0000000000000000 CR3: 000000003cc72000 CR4: 00000000000006f0\r\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\r\nDR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400\r\nStack:\r\n\u00a0ffff88003d7bde98 ffffffff8131bcc9 ffff880000000002 000000000000001c\r\n\u00a0fffffffffffffffb 00007f9aeb2fe000 ffff88003d7bdf40 ffff88003d7bdf40\r\n\u00a0ffff88003d7bdec8 ffffffff8131bd7a 0000000000000001 00007f9aeb2fe000\r\nCall Trace:\r\n\u00a0[<ffffffff8131bcc9>] __handle_sysrq+0x129\/0x190\r\n\u00a0[<ffffffff8131bd7a>] write_sysrq_trigger+0x4a\/0x50\r\n\u00a0[<ffffffff811cc683>] proc_reg_write+0x43\/0x70\r\n\u00a0[<ffffffff8116810f>] vfs_write+0xdf\/0x190\r\n\u00a0[<ffffffff8116865f>] SyS_write+0x5f\/0xa0\r\n\u00a0[<ffffffff81545e42>] system_call_fastpath+0x16\/0x1b\r\nCode: a1 1f 22 00 31 c0 eb ac 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 0f 1f 44 00 00 c7 05 fd 36 a0 00 01 00 00 00 0f ae f8 <c6> 04 25 00 00 00 00 01 c9 c3 55 48 89 e5 0f 1f 44 00 00 8d 47\r\nRIP\u00a0 [<ffffffff8131b366>] sysrq_handle_crash+0x16\/0x20\r\n\u00a0RSP <ffff88003d7bde58>\r\nCR2: 0000000000000000\r\n---[ end trace 3a51ea3cc0920c4e ]---\r\nKernel panic - not syncing: Fatal exception<\/pre>\n
\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u6d41\u308c\u3066\u3044\u305f\u3082\u306e\u3070\u304b\u308a\u3060\u3002\u305f\u3076\u3093\u3002<\/p>\n
\u8272\u3005\u898b\u3066\u307f\u3088\u3046\u3002<\/p>\n
# virsh dominfo vm03\r\nId:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8\r\n\u540d\u524d:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 vm03\r\nUUID:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 d4d53837-2a12-48dc-b682-4a0fb92248fc\r\nOS \u30bf\u30a4\u30d7:\u00a0\u00a0 hvm\r\n\u72b6\u614b:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5b9f\u884c\u4e2d\r\nCPU:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\r\nCPU \u6642\u9593:\u00a0\u00a0\u00a0\u00a0 166.8s\r\n\u6700\u5927\u30e1\u30e2\u30ea\u30fc: 1048576 KiB\r\n\u4f7f\u7528\u30e1\u30e2\u30ea\u30fc: 1048576 KiB\r\n\u6c38\u7d9a:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u306f\u3044 (yes)\r\n\u81ea\u52d5\u8d77\u52d5:\u00a0\u00a0 \u7121\u52b9\u306b\u3059\u308b\r\n\u7ba1\u7406\u6e08\u307f\u4fdd\u5b58: \u3044\u3044\u3048 (no)\r\n\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e2\u30c7\u30eb: selinux\r\n\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 DOI: 0\r\n\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e9\u30d9\u30eb: system_u:system_r:svirt_t:s0:c300,c665 (enforcing)\r\n\r\n# virsh domjobinfo vm03\r\n\u30b8\u30e7\u30d6\u5f62\u5f0f:\u00a0 \u306a\u3057\r\n\r\n# virsh domblkerror vm03\r\n\u30a8\u30e9\u30fc\u304c\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f<\/pre>\n
\u4fe1\u53f7\u304c\u6765\u306a\u3044\u30fb\u30fb\u30fb\u3002<\/span><\/strong><\/p>\n
\u3082\u3057\u304b\u3059\u308b\u3068virt-manager\u306b\u307e\u3060\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u306a\u3044<\/span><\/strong>\u3068\u3044\u3046\u8a18\u4e8b\u3092\u4ee5\u524d\u898b\u305f\u306e\u3067\u3001\u3044\u307e\u3060\u306b\u307e\u3060\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u53ef\u80fd\u6027\u3082\u3042\u308b\u306e\u3067\u3084\u308a\u65b9\u3092\u5909\u3048\u3066\u307f\u3088\u3046<\/p>\n
libvirt\u3092\u4f7f\u308f\u305a\u306b\u3084\u3063\u3066\u307f\u3088\u3046<\/h2>\n
\u3068\u306a\u308b\u3068\u307e\u305fOS\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304b\u3089\u3060\u304c\u30fb\u30fb\u30fb\u3057\u3083\u3042\u306d\u3048\u3002<\/p>\n
\u5165\u308c\u7269\u3092\u4f5c\u308a\u3002<\/p>\n
# qemu-img create -f qcow2 vm00.img 10G<\/pre>\n
\u30a8\u30df\u30e5\u30ec\u30fc\u30bf\u3092\u8d70\u3089\u305b\u308b\u3002<\/p>\n
qemu-system-x86_64 -enable-kvm \\\r\n-hda vm00.img -m 1024 -monitor telnet::4444,server,nowait -vnc :0 -daemonize \\\r\n-cdrom \/var\/iso\/CentOS-6.5-x86_64-minimal.iso -boot d<\/pre>\n
\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u7d42\u308f\u3063\u305f\u3089\u5f37\u5236\u7d42\u4e86\u3057\u3066\u3001CD\u3092\u629c\u3044\u3066\uff08\u8a18\u8ff0\u3092\u6d88\u3057\u3066\uff09\u8d77\u52d5\u3002<\/p>\n
qemu-system-x86_64 -enable-kvm \\\r\n-hda vm00.img -m 1024 -monitor telnet::4444,server,nowait -vnc :0 -daemonize<\/pre>\n
\u3064\u3065\u3044\u3066\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u3001\u30ab\u30fc\u30cd\u30eb\u518d\u69cb\u7bc9\u3002
\n\u8d77\u52d5\u3057\u306a\u304a\u3057\u3066\u3001pvpanic\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30ed\u30fc\u30c9\u3002\u3093\u3067\u30d1\u30cb\u30c3\u30af\u3055\u305b\u308b\u3002<\/p>\n
\u66f8\u3044\u3066\u307f\u308b\u30682\u884c\u3060\u3051\u3069\u3001\u3060\u3044\u3076\u304b\u304b\u3063\u3066\u3057\u307e\u3046\u3093\u3060orz
\n\u3068\u601d\u3063\u305f\u3093\u3060\u304c\u3001libvirt\u3067\u4f5c\u3063\u305fvm\u3092libvirt\u306a\u3057\u3067\u8d77\u52d5\u3067\u304d\u308b\u304b\u8a66\u3057\u3066\u307f\u305f\u3089\u3046\u307e\u304f\u3044\u3063\u305f\u306e\u3067\u3053\u3063\u3061\u3067\u3084\u3063\u3066\u307f\u3088\u3046(\u7b11)<\/p>\n
qemu-system-x86_64 -enable-kvm \\\r\n-hda \/var\/lib\/libvirt\/images\/vm03 -m 1024 -monitor telnet::4444,server,nowait\\\r\n-vnc :0 -daemonize\u00a0 -k ja<\/pre>\n
\u304a\u304a\u3001\u3046\u307e\u304f\u8d77\u52d5\u3057\u307e\u3057\u305f\u3002\u52d5\u304f\u3093\u3060\u306d\u3002
\n\u3057\u304b\u3057\u3053\u3046\u3084\u3063\u3066\u307f\u308b\u3068virt-manager\u3063\u3066\u4fbf\u5229\u3060\u306a\u3041\u3002<\/p>\n
\u3067\u306f\u3067\u306f\u5b9f\u8df5\u306a\u306e\u3067\u3059\u304c\u3001\u3053\u3046\u3057\u3066\u30b3\u30f3\u30bd\u30fc\u30eb\u304b\u3089\u72b6\u614b\u3092\u898b\u308b\u3068\u3046\u307e\u304f\u3067\u304d\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u3093\u3060\u304c\u3002<\/p>\n
\"panic03\"<\/a><\/p>\n
\u3044\u3056\u3001\u5b9f\u98df\u3002<\/p>\n
\u3046\u307e\u304f\u3044\u3063\u3066\u3044\u308c\u3070\u3001(qemu) info status VM status: paused (guest-panicked)\u306b\u306a\u308b\u306f\u305a\u3002<\/p>\n
[root@testserver ~]# telnet localhost 4444\r\nTrying ::1...\r\ntelnet: connect to address ::1: Connection refused\r\nTrying 127.0.0.1...\r\nConnected to localhost.\r\nEscape character is '^]'.\r\nQEMU 1.7.2 monitor - type 'help' for more information\r\n(qemu) info status\r\nVM status: running<\/pre>\n
 <\/p>\n
\u3046\u30fc\u3093\u3002\u3060\u3081\u307d<\/p>\n
\u7d9a\u304f\u3000\u30fb\u30fb\u30fb\u304b\u3069\u3046\u304b\u306f\u5206\u304b\u3089\u306a\u3044\u3002<\/p>\n
 <\/p>\n
        
Tweet<\/a><\/div><\/div>\n
\n","protected":false},"excerpt":{"rendered":"
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