{"id":2969,"date":"2015-05-12T21:17:52","date_gmt":"2015-05-12T12:17:52","guid":{"rendered":"http:\/\/www.pistolfly.com\/weblog\/?p=2969"},"modified":"2020-11-14T09:40:05","modified_gmt":"2020-11-14T00:40:05","slug":"ubuntu%e3%81%a7%e3%82%b3%e3%82%a2%e3%83%80%e3%83%b3%e3%83%97%e3%81%8c%e5%87%ba%e5%8a%9b%e3%81%a7%e3%81%8d%e3%81%aa%e3%81%84%e3%81%93%e3%81%a8%e3%81%8c%e3%81%82%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.pistolfly.com\/weblog\/2015\/05\/ubuntu%e3%81%a7%e3%82%b3%e3%82%a2%e3%83%80%e3%83%b3%e3%83%97%e3%81%8c%e5%87%ba%e5%8a%9b%e3%81%a7%e3%81%8d%e3%81%aa%e3%81%84%e3%81%93%e3%81%a8%e3%81%8c%e3%81%82%e3%82%8b.html","title":{"rendered":"Ubuntu\u3067\u30b3\u30a2\u30c0\u30f3\u30d7\u304c\u51fa\u529b\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u3042\u308b"},"content":{"rendered":"<p>Ubuntu(14.04 LTS)\u3067\u3001\u30b3\u30a2\u30c0\u30f3\u30d7\u304c\u51fa\u529b\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u3068\u3044\u3046\u73fe\u8c61\u304c\u767a\u751f\u3057\u305f\u3002<br \/>\n\u3067\u304d\u308b\u5834\u5408\u3082\u3042\u308b\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3088\u308b\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001ulimit\u306f\u554f\u984c\u306a\u3044\u3002<\/p>\n<pre class=\"command-line\">$ ulimit -c unlimited\r\n$ ulimit -a\r\ncore file size          (blocks, -c) unlimited\r\ndata seg size           (kbytes, -d) unlimited\r\nscheduling priority             (-e) 0\r\nfile size               (blocks, -f) unlimited\r\npending signals                 (-i) 15739\r\nmax locked memory       (kbytes, -l) 64\r\nmax memory size         (kbytes, -m) unlimited\r\nopen files                      (-n) 1024\r\npipe size            (512 bytes, -p) 8\r\nPOSIX message queues     (bytes, -q) 819200\r\nreal-time priority              (-r) 0\r\nstack size              (kbytes, -s) 8192\r\ncpu time               (seconds, -t) unlimited\r\nmax user processes              (-u) 15739\r\nvirtual memory          (kbytes, -v) unlimited\r\nfile locks                      (-x) unlimited\r\n<\/pre>\n<p>\u30b3\u30a2\u30c0\u30f3\u30d7\u306e\u51fa\u529b\u5148\u3092\u78ba\u8a8d\u3002<\/p>\n<pre class=\"command-line\">$ sudo sysctl -a | grep core_pattern\r\nkernel.core_pattern = |\/usr\/share\/apport\/apport %p %s %c %P\r\n<\/pre>\n<p>Ubuntu(14.04 LTS)\u3067\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067core_pattern\u304capport\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u305f\u3002<\/p>\n<p>\u30b3\u30a2\u30c0\u30f3\u30d7\u304c\u51fa\u529b\u3055\u308c\u308b\u30b1\u30fc\u30b9\u3067\u306f\u3001\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306bcore\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u304c\u51fa\u529b\u3055\u308c\u308b\u3002<br \/>\n\u30b3\u30a2\u30c0\u30f3\u30d7\u304c\u51fa\u529b\u3055\u308c\u306a\u3044\u30b1\u30fc\u30b9\u3067\u306f\u3001apport\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u305f\u3002<\/p>\n<p>\/var\/log\/apport.log<\/p>\n<pre class=\"command-line\">ERROR: apport (pid 3480) Tue May 12 18:48:31 2015: called for pid 3479, signal 6, core limit 18446744073709551615\r\nERROR: apport (pid 3480) Tue May 12 18:48:31 2015: ignoring implausibly big core limit, treating as unlimited\r\nERROR: ERROR: apport (pid 3480) Tue May 12 18:48:31 2015: Unhandled exception:\r\nTraceback (most recent call last):\r\n  File \"\/usr\/share\/apport\/apport\", line 357, in &lt;module&gt;\r\n    (info['ExecutablePath'], info['ProcCmdline']))\r\n  File \"\/usr\/share\/apport\/apport\", line 99, in error_log\r\n    apport.error('apport (pid %s) %s: %s', os.getpid(), time.asctime(), msg)\r\n  File \"\/usr\/lib\/python3\/dist-packages\/apport\/__init__.py\", line 44, in error\r\n    sys.stderr.write(msg % args)\r\nUnicodeEncodeError: 'ascii' codec can't encode character '\\ufffd' in position 143: ordinal not in range(128)\r\nERROR: apport (pid 3480) Tue May 12 18:48:31 2015: pid: 3480, uid: 0, gid: 0, euid: 0, egid: 0\r\nERROR: apport (pid 3480) Tue May 12 18:48:31 2015: environment: environ({})\r\n<\/pre>\n<p>apport\u3067\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3089\u3001\u30b3\u30a2\u30c0\u30f3\u30d7\u304c\u51fa\u529b\u3055\u308c\u306a\u3044\u306e\u3060\u3002<br \/>\nPython\u306eUnicodeEncodeError\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u3088\u3046\u3060\u304c\u3001\u3088\u304f\u5206\u304b\u3089\u306a\u3044\u306e\u3067\u3001core_pattern\u306bapport\u3092\u4f7f\u7528\u3057\u306a\u3044\u3088\u3046\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002<\/p>\n<pre class=\"command-line\"># echo 'core.%e.%p' &gt; \/proc\/sys\/kernel\/core_pattern\r\n<\/pre>\n<pre class=\"command-line\">$ ulimit -c unlimited\r\n$ cat segfault.c\r\n#include &lt;stdio.h&gt;\r\n\r\nint main(void)\r\n{\r\n  char *s = \"hello, world!\";\r\n  *s = 'H';\r\n\r\n  return 0;\r\n}\r\n$ gcc -Wall -g -o segfault segfault.c\r\n$ .\/segfault \r\nSegmentation fault (\u30b3\u30a2\u30c0\u30f3\u30d7)\r\n$ ls\r\ncore.segfault.3423  segfault  segfault.c\r\n<\/pre>\n<p>echo\u3067\u5909\u66f4\u3057\u305f\u8a2d\u5b9a\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u518d\u8d77\u52d5\u5f8c\u306b\u306f\u7121\u52b9\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002<br \/>\n\u5909\u66f4\u3092\u6c38\u7d9a\u5316\u3059\u308b\u305f\u3081\u306b\u306f\u3001\/etc\/sysctl.conf\u306b\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n<p>\u60c5\u5831\u6e90: <em><a href=\"https:\/\/access.redhat.com\/documentation\/ja-JP\/Red_Hat_Enterprise_Linux\/6\/html\/Deployment_Guide\/s1-proc-sysctl.html\" target=\"_blank\" rel=\"noopener noreferrer\">E.4. sysctl \u30b3\u30de\u30f3\u30c9\u306e\u4f7f\u7528<\/a><\/em><\/p>\n<p>\/etc\/sysctl.conf<\/p>\n<pre>kernel.core_pattern = core.%e.%p\r\n<\/pre>\n<p>\u3057\u304b\u3057\u3001\u306a\u305c\u304b\u30b7\u30b9\u30c6\u30e0\u3092\u518d\u8d77\u52d5\u3059\u308b\u3068\u3001apport\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u304c\u623b\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u3002<br \/>\n\u30b7\u30b9\u30c6\u30e0\u8d77\u52d5\u6642\u306eapport\u8d77\u52d5\u3067\u3001\u8a2d\u5b9a\u3092\u4e0a\u66f8\u304d\u3057\u3066\u3044\u308b\u3089\u3057\u3044\u3002<br \/>\n\u60c5\u5831\u6e90: <em><a href=\"http:\/\/askubuntu.com\/questions\/420410\/how-to-permanently-edit-the-core-pattern-file\" target=\"_blank\" rel=\"noopener noreferrer\">12.04 - How to permanently edit the core_pattern file? - Ask Ubuntu<\/a><\/em><br \/>\n\u3053\u308c\u3092\u6b62\u3081\u3055\u305b\u308b\u306b\u306f\u3001apport\u3092\u7121\u52b9\u306b\u3057\u3066\u518d\u8d77\u52d5\u3059\u308b\u3002<\/p>\n<p>\/etc\/default\/apport<\/p>\n<pre># set this to 0 to disable apport, or to 1 to enable it\r\n# you can temporarily override this with\r\n# sudo service apport start force_start=1\r\n#enabled=1\r\nenabled=0\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Ubuntu(14.04 LTS)\u3067\u3001\u30b3\u30a2\u30c0\u30f3\u30d7\u304c\u51fa\u529b\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u3068\u3044\u3046\u73fe\u8c61\u304c\u767a\u751f\u3057\u305f\u3002 \u3067\u304d\u308b\u5834\u5408\u3082\u3042\u308b\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3088\u308b\u3002 \u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001ulimit\u306f\u554f\u984c\u306a\u3044\u3002 $ ulimit -c unlimited $ &hellip; <a href=\"https:\/\/www.pistolfly.com\/weblog\/2015\/05\/ubuntu%e3%81%a7%e3%82%b3%e3%82%a2%e3%83%80%e3%83%b3%e3%83%97%e3%81%8c%e5%87%ba%e5%8a%9b%e3%81%a7%e3%81%8d%e3%81%aa%e3%81%84%e3%81%93%e3%81%a8%e3%81%8c%e3%81%82%e3%82%8b.html\" class=\"more-link\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">Ubuntu\u3067\u30b3\u30a2\u30c0\u30f3\u30d7\u304c\u51fa\u529b\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u3042\u308b<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"ja","_original_post":"2969","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[53,6],"tags":[],"class_list":["post-2969","post","type-post","status-publish","format-standard","hentry","category-c","category-linux","ja"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ubuntu\u3067\u30b3\u30a2\u30c0\u30f3\u30d7\u304c\u51fa\u529b\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u3042\u308b - Pistolfly<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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\u7d9a\u304d\u3092\u8aad\u3080 Ubuntu\u3067\u30b3\u30a2\u30c0\u30f3\u30d7\u304c\u51fa\u529b\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u3042\u308b &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pistolfly.com\/weblog\/2015\/05\/ubuntu\u3067\u30b3\u30a2\u30c0\u30f3\u30d7\u304c\u51fa\u529b\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u3042\u308b.html\" \/>\n<meta property=\"og:site_name\" content=\"Pistolfly\" \/>\n<meta property=\"article:published_time\" content=\"2015-05-12T12:17:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-11-14T00:40:05+00:00\" \/>\n<meta name=\"author\" content=\"Pistolfly\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Pistolfly\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u5206\" \/>\n<script 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