編集履歴

質問編集履歴

rpm -qa 追加

2016/09/09 07:10

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TakaMuro

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rpm -qa |grep debuginfo

2016/09/09 07:09

投稿

TakaMuro

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@@ -2,38 +2,6 @@
 以下のOS、WEBサーバを運用しております。
 以前、 Acronisでバックアップするため一度シャットダウンし、CDブートによるバックアップ後に再起動をかけたところ、segfaultエラーが多発するようになりました。
-OS:Red Hat Enterprise Linux Server release 6.2 (Santiago)
-webサーバ：
-Server version: Apache/2.2.15 (Unix)
-Server built:   Jul 12 2016 07:03:49
-Server's Module Magic Number: 20051115:25
-Server loaded:  APR 1.3.9, APR-Util 1.3.9
-Compiled using: APR 1.3.9, APR-Util 1.3.9
-Architecture:   64-bit
-Server MPM:     Prefork
-  threaded:     no
-    forked:     yes (variable process count)
-Server compiled with....
- -D APACHE_MPM_DIR="server/mpm/prefork"
- -D APR_HAS_SENDFILE
- -D APR_HAS_MMAP
- -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
- -D APR_USE_SYSVSEM_SERIALIZE
- -D APR_USE_PTHREAD_SERIALIZE
- -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
- -D APR_HAS_OTHER_CHILD
- -D AP_HAVE_RELIABLE_PIPED_LOGS
- -D DYNAMIC_MODULE_LIMIT=128
- -D HTTPD_ROOT="/etc/httpd"
- -D SUEXEC_BIN="/usr/sbin/suexec"
- -D DEFAULT_PIDLOG="run/httpd.pid"
- -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
- -D DEFAULT_LOCKFILE="logs/accept.lock"
- -D DEFAULT_ERRORLOG="logs/error_log"
- -D AP_TYPES_CONFIG_FILE="conf/mime.types"
- -D SERVER_CONFIG_FILE="conf/httpd.conf"
 ###発生している問題・エラーメッセージ
 [/var/log/messages-20160829]
 Aug 29 08:11:03 fg13 kernel: httpd[3829]: segfault at 7f78d6a0a062 ip 0000 7f78d6a0a062 sp 00007f78c96cad98 error 14 in libnss_files-2.12.so[7f78d85ef000+c000]
@@ -192,4 +160,19 @@
  libxml2-2.7.6-17.el6_6.1.x86_64 nss-softokn-freebl-3.14.3-18.el6_6.x86_64 openssl-1.0.1e-30.el6_6.4.x86_64
 pcre-7.8-6.el6.x86_64 php-5.3.3-40.el6_6.x86_64
 '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
-なお、compat-glibc-2.5-46.2.x86_64とcompat-glibc-headers-2.5-46.2.x86_64のバージョン2.12-1.192.el6.x86_64への変更はやり方がわからずそのままです。
+なお、compat-glibc-2.5-46.2.x86_64とcompat-glibc-headers-2.5-46.2.x86_64のバージョン2.12-1.192.el6.x86_64への変更はやり方がわからずそのままです。
+ーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーー
+# rpm -qa |grep debuginfo
+''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+libselinux-debuginfo-2.0.94-7.el6.x86_64
+apr-util-debuginfo-1.3.9-3.el6_0.1.x86_64
+pcre-debuginfo-7.8-7.el6.x86_64
+glibc-debuginfo-common-2.12-1.192.el6.x86_64
+expat-debuginfo-2.0.1-11.el6_2.x86_64
+httpd-debuginfo-2.2.15-54.el6_8.x86_64
+glibc-debuginfo-2.12-1.192.el6.x86_64
+apr-debuginfo-1.3.9-5.el6_2.x86_64
+openldap-debuginfo-2.4.40-12.el6.x86_64
+zlib-debuginfo-1.2.3-29.el6.x86_64
+db4-debuginfo-4.7.25-20.el6_7.x86_64

新たなコアファイルの採取とｇｄｂコマンド

2016/09/09 05:19

投稿

TakaMuro

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@@ -50,8 +50,6 @@
 と追記し、コアファイルを出力。
 コアファイルの解析を試みました。
----------------------------------------------------------------
 新たにコアファイルを取り直し、再度コマンドを打ってみました。
 # gdb /usr/sbin/httpd -c core.10880
@@ -193,5 +191,5 @@
 libgcc-4.4.7-11.el6.x86_64 libselinux-2.0.94-5.8.el6.x86_64 libuuid-2.17.2-12.18.el6.x86_64 libxcb-1.9.1-2.el6.x86_64
  libxml2-2.7.6-17.el6_6.1.x86_64 nss-softokn-freebl-3.14.3-18.el6_6.x86_64 openssl-1.0.1e-30.el6_6.4.x86_64
 pcre-7.8-6.el6.x86_64 php-5.3.3-40.el6_6.x86_64
-'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+なお、compat-glibc-2.5-46.2.x86_64とcompat-glibc-headers-2.5-46.2.x86_64のバージョン2.12-1.192.el6.x86_64への変更はやり方がわからずそのままです。

コアファイルを取り直し、再度gdbコマンド実行

2016/09/09 03:14

投稿

TakaMuro

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@@ -50,10 +50,13 @@
 と追記し、コアファイルを出力。
 コアファイルの解析を試みました。
-コアファイルが収集できたので以下のコマンド入力
-# gdb /usr/sbin/httpd -c /tmp/apache-core/core.5677
+---------------------------------------------------------------
-（結果）
+新たにコアファイルを取り直し、再度コマンドを打ってみました。
+# gdb /usr/sbin/httpd -c core.10880
+'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
 GNU gdb (GDB) Red Hat Enterprise Linux (7.2-75.el6)
 Copyright (C) 2010 Free Software Foundation, Inc.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
@@ -63,68 +66,90 @@
 This GDB was configured as "x86_64-redhat-linux-gnu".
 For bug reporting instructions, please see:
 <http://www.gnu.org/software/gdb/bugs/>...
-Reading symbols from /usr/sbin/httpd...(no debugging symbols found)...done.
+Reading symbols from /usr/sbin/httpd...Reading symbols from /usr/lib/debug/usr/sbin/httpd.debug...done.
+done.
+[New Thread 13348]
-[New Thread 6052]
+[New Thread 10880]
-[New Thread 6053]
+[New Thread 13349]
-[New Thread 5677]
-[New Thread 6047]
+[New Thread 13347]
+Missing separate debuginfo for /lib64/libm.so.6
+Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/98/9fe3a42ca8cebdcc185a743896f23a0cf537ed
+Missing separate debuginfo for /lib64/libcrypt.so.1
+Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/12/8802b73016be233837ea9f2dcbc2153acc2d6a
+Missing separate debuginfo for /lib64/libpthread.so.0
+Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/c5/6dd1b811fc0d9263248ebb308c73fcbcd80fc1
+Missing separate debuginfo for /lib64/libc.so.6
+Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/a1/db9754d1f523a6f16ada929d6764a133dc6fa2
+Missing separate debuginfo for /lib64/libdl.so.2
-[New Thread 6049]
+～～～～中略～～～～～
-[New Thread 6048]
+Missing separate debuginfo for /lib64/librt.so.1
+Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/95/159178f1a4a3dbdc7819fbea2c80e5fcdd6bac
+warning: .dynamic section for "/lib64/ld-linux-x86-64.so.2" is not at the expected address (wrong library or version mismatch?)
-[New Thread 6051]
+warning: Can't read pathname for load map: 入力/出力エラーです.
-[New Thread 6050]
-Reading symbols from /lib64/libm.so.6...(no debugging symbols found)...done.
+Reading symbols from /lib64/libm.so.6...Reading symbols from /usr/lib/debug/lib64/libm-2.12.so.debug...done.
+done.
 Loaded symbols for /lib64/libm.so.6
-Reading symbols from /lib64/libpcre.so.0...(no debugging symbols found)...done.
+Reading symbols from /lib64/libpcre.so.0...
+warning: the debug information found in "/usr/lib/debug//lib64/libpcre.so.0.0.1.debug" does not match "/lib64/libpcre.so.0" (CRC mismatch).
+warning: the debug information found in "/usr/lib/debug/lib64/libpcre.so.0.0.1.debug" does not match "/lib64/libpcre.so.0" (CRC mismatch).
+(no debugging symbols found)...done.
 Loaded symbols for /lib64/libpcre.so.0
-Reading symbols from /lib64/libselinux.so.1...(no debugging symbols found)...done.
-Loaded symbols for /lib64/libselinux.so.1
+Reading symbols from /lib64/libselinux.so.1...
-Reading symbols from /usr/lib64/libaprutil-1.so.0...(no debugging symbols found)...done.
+warning: the debug information found in "/usr/lib/debug//lib64/libselinux.so.1.debug" does not match "/lib64/libselinux.so.1" (CRC mismatch).
-Loaded symbols for /usr/lib64/libaprutil-1.so.0
-Reading symbols from /lib64/libcrypt.so.1...(no debugging symbols found)...done.
-Loaded symbols for /lib64/libcrypt.so.1
+～～～～中略～～～～～
-Reading symbols from /lib64/libexpat.so.1...(no debugging symbols found)...done.
+done.
-Loaded symbols for /lib64/libexpat.so.1
+Loaded symbols for /lib64/libexpat.so.1.5.2
-Reading symbols from /lib64/libdb-4.7.so...(no debugging symbols found)...done.
+Reading symbols from /lib64/libdb-4.7.so...
+warning: the debug information found in "/usr/lib/debug//lib64/libdb-4.7.so.debug" does not match "/lib64/libdb-4.7.so" (CRC mismatch).
+warning: the debug information found in "/usr/lib/debug/lib64/libdb-4.7.so.debug" does not match "/lib64/libdb-4.7.so" (CRC mismatch).
+(no debugging symbols found)...done.
 Loaded symbols for /lib64/libdb-4.7.so
-Reading symbols from /usr/lib64/libapr-1.so.0...(no debugging symbols found)...done.
+Reading symbols from /usr/lib64/libapr-1.so.0.3.9...Reading symbols from /usr/lib/debug/usr/lib64/libapr-1.so.0.3.9.debug...done.
+done.
-Loaded symbols for /usr/lib64/libapr-1.so.0
+Loaded symbols for /usr/lib64/libapr-1.so.0.3.9
-Reading symbols from /lib64/libpthread.so.0...(no debugging symbols found)...done.
+Reading symbols from /lib64/libpthread.so.0...Reading symbols from /usr/lib/debug/lib64/libpthread-2.12.so.debug...done.
 [Thread debugging using libthread_db enabled]
+done.
 Loaded symbols for /lib64/libpthread.so.0
-Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done.
+Reading symbols from /lib64/libc.so.6...Reading symbols from /usr/lib/debug/lib64/libc-2.12.so.debug...done.
+done.
 Loaded symbols for /lib64/libc.so.6
-Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done.
+Reading symbols from /lib64/libdl.so.2...Reading symbols from /usr/lib/debug/lib64/libdl-2.12.so.debug...done.
+done.
 Loaded symbols for /lib64/libdl.so.2
-Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
+Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug/lib64/ld-2.12.so.debug...done.
+done.
 Loaded symbols for /lib64/ld-linux-x86-64.so.2
 Reading symbols from /lib64/libuuid.so.1...(no debugging symbols found)...done.
 Loaded symbols for /lib64/libuuid.so.1
+Reading symbols from /lib64/libfreebl3.so...(no debugging symbols found)...done.
+Loaded symbols for /lib64/libfreebl3.so
+Reading symbols from /lib64/libnss_files.so.2...Reading symbols from /usr/lib/debug/lib64/libnss_files-2.12.so.debug...done.
+done.
-中略
-Loaded symbols for /etc/httpd/modules/mod_autoindex.so
-Reading symbols from /etc/httpd/modules/mod_negotiation.so...(no debugging symbols found)...done.
-Loaded symbols for /etc/httpd/modules/mod_negotiation.so
-Reading symbols from /etc/httpd/modules/mod_dir.so...(no debugging symbols found)...done.
-Loaded symbols for /etc/httpd/modules/mod_dir.so
-Reading symbols from /etc/httpd/modules/mod_alias.so...(no debugging symbols found)...done.
-Loaded symbols for /etc/httpd/modules/mod_alias.so
-Reading symbols from /etc/httpd/modules/mod_rewrite.so...(no debugging symbols found)...done.
-Loaded symbols for /etc/httpd/modules/mod_rewrite.so
-Reading symbols from /etc/httpd/modules/mod_cgi.so...(no debugging symbols found)...done.
-Loaded symbols for /etc/httpd/modules/mod_cgi.so
-Reading symbols from /etc/httpd/modules/mod_status.so...(no debugging symbols found)...done.
-Loaded symbols for /etc/httpd/modules/mod_status.so
-Reading symbols from /etc/httpd/modules/libphp5.so...(no debugging symbols found)...done.
-Loaded symbols for /etc/httpd/modules/libphp5.so
-Reading symbols from /usr/lib64/libgmp.so.3...(no debugging symbols found)...done.
-Loaded symbols for /usr/lib64/libgmp.so.3
-Reading symbols from /lib64/libbz2.so.1...(no debugging symbols found)...done.
-Loaded symbols for /lib64/libbz2.so.1
-Reading symbols from /lib64/libz.so.1...(no debugging symbols found)...done.
-Loaded symbols for /lib64/libz.so.1
+～～～～中略～～～～～
-Reading symbols from /lib64/libnsl.so.1...(no debugging symbols found)...done.
-Loaded symbols for /lib64/libnsl.so.1
 Reading symbols from /usr/lib64/libxml2.so.2...(no debugging symbols found)...done.
 Loaded symbols for /usr/lib64/libxml2.so.2
 Reading symbols from /lib64/libgssapi_krb5.so.2...(no debugging symbols found)...done.
@@ -143,10 +168,9 @@
 Loaded symbols for /lib64/libkrb5support.so.0
 Reading symbols from /lib64/libkeyutils.so.1...(no debugging symbols found)...done.
 Loaded symbols for /lib64/libkeyutils.so.1
-Reading symbols from /lib64/libresolv.so.2...(no debugging symbols found)...done.
+Reading symbols from /lib64/libresolv.so.2...Reading symbols from /usr/lib/debug/lib64/libresolv-2.12.so.debug...done.
+done.
 Loaded symbols for /lib64/libresolv.so.2
-Reading symbols from /etc/httpd/modules/mod_ssl.so...(no debugging symbols found)...done.
-Loaded symbols for /etc/httpd/modules/mod_ssl.so
 Reading symbols from /usr/lib64/libSM.so.6...(no debugging symbols found)...done.
 Loaded symbols for /usr/lib64/libSM.so.6
 Reading symbols from /usr/lib64/libICE.so.6...(no debugging symbols found)...done.
@@ -155,25 +179,19 @@
 Loaded symbols for /usr/lib64/libX11.so.6
 Reading symbols from /lib64/libgcc_s.so.1...(no debugging symbols found)...done.
 Loaded symbols for /lib64/libgcc_s.so.1
-Reading symbols from /lib64/librt.so.1...(no debugging symbols found)...done.
+Reading symbols from /lib64/librt.so.1...Reading symbols from /usr/lib/debug/lib64/librt-2.12.so.debug...done.
+done.
-Loaded symbols for /lib64/librt.so.1
+warning: Can't read pathname for load map: 入力/出力エラーです.
-Reading symbols from /usr/lib64/libxcb.so.1...(no debugging symbols found)...done.
-Loaded symbols for /usr/lib64/libxcb.so.1
-Reading symbols from /usr/lib64/libXau.so.6...(no debugging symbols found)...done.
-Loaded symbols for /usr/lib64/libXau.so.6
 Core was generated by `/usr/sbin/httpd'.
 Program terminated with signal 11, Segmentation fault.
-#0  0x00007f2a9c2c4058 in ?? ()
+#0  0x00007f105bef705c in ?? ()
-Missing separate debuginfos, use: debuginfo-install httpd-2.2.15-54.el6_8.x86_64
+Missing separate debuginfos, use: debuginfo-install bzip2-libs-1.0.5-7.el6_0.x86_64 db4-4.7.25-18.el6_4.x86_64
+gmp-4.3.1-7.el6_2.2.x86_64 keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-33.el6.x86_64 libICE-1.0.6-1.el6.x86_64
+libSM-1.2.1-2.el6.x86_64 libX11-1.6.0-2.2.el6.x86_64 libXau-1.0.6-4.el6.x86_64 libcom_err-1.41.12-21.el6.x86_64
+libgcc-4.4.7-11.el6.x86_64 libselinux-2.0.94-5.8.el6.x86_64 libuuid-2.17.2-12.18.el6.x86_64 libxcb-1.9.1-2.el6.x86_64
+ libxml2-2.7.6-17.el6_6.1.x86_64 nss-softokn-freebl-3.14.3-18.el6_6.x86_64 openssl-1.0.1e-30.el6_6.4.x86_64
+pcre-7.8-6.el6.x86_64 php-5.3.3-40.el6_6.x86_64
-ここでwhereを入力すると
-(gdb)where
-#0  0x00007f2a9c2c4058 in ?? ()
+'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
-#1  0x00007f2a9c2c30a0 in ?? ()
-#2  0x0000000000000000 in ?? ()
-となり、行き詰ってしまいました。
-これはいったいどうすべきなのでしょうか。
-当方、インフラ管理者しかおらずデバッグが詳しくありません。
-ご教示のほどお願い申し上げます。

内容の訂正

2016/09/09 03:10

投稿

TakaMuro

スコア7

title CHANGED Viewed

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body CHANGED Viewed

@@ -1,6 +1,6 @@
 ###前提・実現したいこと
 以下のOS、WEBサーバを運用しております。
-httpdをyum updateしたところ、segfaultエラーが多発するようになりました。
+以前、 Acronisでバックアップするため一度シャットダウンし、CDブートによるバックアップ後に再起動をかけたところ、segfaultエラーが多発するようになりました。
 OS:Red Hat Enterprise Linux Server release 6.2 (Santiago)