# php demo.php
  

  Segmentation fault (core dumped)
 

  (gdb) run demo.php
  

  Starting program: /usr/bin/php demo.php
  

  Missing separate debuginfo for /usr/lib/libpng12.so.0
  

  Try: yum --disablerepo='*' --enablerepo='*-debug*' install /usr/lib/debug/.build-id/9e/65badd636c1f2e81682a8c498af098b5bbd063.debug
  

  Missing separate debuginfo for /usr/lib/libjpeg.so.62
  

  Try: yum --disablerepo='*' --enablerepo='*-debug*' install /usr/lib/debug/.build-id/05/6b2c6a8cb0b42dda3d57a1b5d3670ab99c83bd.debug
  

  [Thread debugging using libthread_db enabled]
  

  Missing separate debuginfo for /usr/lib64/libldap-2.4.so.2
  

  Try: yum --disablerepo='*' --enablerepo='*-debug*' install /usr/lib/debug/.build-id/63/ad9b87efd8d1f1af565e4467ebbe80dacc5168.debug
  

  Missing separate debuginfo for /usr/lib64/liblber-2.4.so.2
  

  Try: yum --disablerepo='*' --enablerepo='*-debug*' install /usr/lib/debug/.build-id/36/4f5fd7aa59ed2af32e0dfc95c4a029b72e4906.debug
  

  [New Thread 0x7ffff0576710 (LWP 17785)]
  

  [Thread 0x7ffff0576710 (LWP 17785) exited]
  

  

  Program received signal SIGSEGV, Segmentation fault.
  

  0x000000365a01ce9c in sqlite3_file_control () from /usr/lib64/libsqlite3.so.0
  

  Missing separate debuginfos, use: debuginfo-install cyrus-sasl-lib-2.1.23-8.el6.x86_64 freetype-2.3.11-14.el6_3.1.x86_64 glibc-2.12-1.7.el6.x86_64 keyutils-libs-1.4-1.el6.x86_64 krb5-libs-1.10.3-10.el6_4.6.x86_64 libcom_err-1.41.12-18.el6.x86_64 libcurl-7.19.7-37.el6_4.x86_64 libgcc-4.4.7-4.el6.x86_64 libidn-1.18-2.el6.x86_64 libselinux-2.0.94-2.el6.x86_64 libssh2-1.4.2-1.el6.x86_64 libstdc++-4.4.7-4.el6.x86_64 libxml2-2.7.6-14.el6.x86_64 nspr-devel-4.10.2-1.el6_5.x86_64 nss-3.15.3-6.el6_5.x86_64 nss-softokn-3.14.3-9.el6.x86_64 nss-softokn-freebl-3.14.3-9.el6.x86_64 nss-sysinit-3.15.3-6.el6_5.x86_64 nss-util-3.15.3-1.el6_5.x86_64 openssl-1.0.1e-16.el6_5.7.x86_64 sqlite-3.6.20-1.el6.x86_64 zlib-1.2.3-29.el6.x86_64
  

  (gdb) bt
  

  #0  0x000000365a01ce9c in sqlite3_file_control () from /usr/lib64/libsqlite3.so.0
  

  #1  0x0000003df0824190 in ?? () from /usr/lib64/libsoftokn3.so
  

  #2  0x0000003df08248e0 in ?? () from /usr/lib64/libsoftokn3.so
  

  #3  0x0000003df0829b76 in ?? () from /usr/lib64/libsoftokn3.so
  

  #4  0x0000003df0810e6b in ?? () from /usr/lib64/libsoftokn3.so
  

  #5  0x0000003df081117e in ?? () from /usr/lib64/libsoftokn3.so
  

  #6  0x0000003df08115a6 in ?? () from /usr/lib64/libsoftokn3.so
  

  #7  0x0000003df0811667 in ?? () from /usr/lib64/libsoftokn3.so
  

  #8  0x0000003df8437457 in ?? () from /usr/lib64/libnss3.so
  

  #9  0x0000003df8437dd7 in ?? () from /usr/lib64/libnss3.so
  

  #10 0x0000003df844b6da in SECMOD_LoadModule () from /usr/lib64/libnss3.so
  

  #11 0x0000003df844b7d0 in SECMOD_LoadModule () from /usr/lib64/libnss3.so
  

  #12 0x0000003df844b7d0 in SECMOD_LoadModule () from /usr/lib64/libnss3.so
  

  #13 0x0000003df841aa94 in ?? () from /usr/lib64/libnss3.so
  

  #14 0x0000003df841b261 in NSS_InitContext () from /usr/lib64/libnss3.so
  

  #15 0x0000003c86640450 in ?? () from /usr/lib64/libcurl.so.4
  

  #16 0x0000003c86640603 in Curl_nss_connect () from /usr/lib64/libcurl.so.4
  

  #17 0x0000003c86638482 in Curl_ssl_connect () from /usr/lib64/libcurl.so.4
  

  #18 0x0000003c86616ecb in Curl_http_connect () from /usr/lib64/libcurl.so.4
  

  #19 0x0000003c8661d682 in Curl_protocol_connect () from /usr/lib64/libcurl.so.4
  

  #20 0x0000003c86623b3c in Curl_connect () from /usr/lib64/libcurl.so.4
  

  #21 0x0000003c8662bbb0 in Curl_perform () from /usr/lib64/libcurl.so.4
  

  #22 0x00000000004b71f2 in zif_curl_exec (ht=<value optimized out>, return_value=0x1046ae0, return_value_ptr=<value optimized out>, this_ptr=<value optimized out>,
  

  return_value_used=<value optimized out>) at /usr/local/src/lnmp1.0-full/php-5.2.17/ext/curl/interface.c:1853
  

  #23 0x0000000000762c70 in zend_do_fcall_common_helper_SPEC (execute_data=0x7fffffffbc30) at /usr/local/src/lnmp1.0-full/php-5.2.17/Zend/zend_vm_execute.h:200
  

  #24 0x000000000074f45c in execute (op_array=0x1073030) at /usr/local/src/lnmp1.0-full/php-5.2.17/Zend/zend_vm_execute.h:92
  

  #25 0x00007ffff10cb90f in zend_oe () from /usr/local/zend/ZendOptimizer.so
  

  #26 0x0000000000762626 in zend_do_fcall_common_helper_SPEC (execute_data=0x7fffffffbe20) at /usr/local/src/lnmp1.0-full/php-5.2.17/Zend/zend_vm_execute.h:234
  

  #27 0x000000000074f45c in execute (op_array=0x1043728) at /usr/local/src/lnmp1.0-full/php-5.2.17/Zend/zend_vm_execute.h:92
  

  #28 0x00007ffff10cb90f in zend_oe () from /usr/local/zend/ZendOptimizer.so
  

  #29 0x000000000072cc9a in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/local/src/lnmp1.0-full/php-5.2.17/Zend/zend.c:1134
  

  #30 0x00000000006ebe9b in php_execute_script (primary_file=0x7fffffffe450) at /usr/local/src/lnmp1.0-full/php-5.2.17/main/main.c:2037
  

  #31 0x000000000079e443 in main (argc=2, argv=0x7fffffffe648) at /usr/local/src/lnmp1.0-full/php-5.2.17/sapi/cli/php_cli.c:1165
 

  # php -v
  

  PHP 5.2.17p1 (cli) (built: Mar  8 2014 15:44:43)
  

  Copyright (c) 1997-2010 The PHP Group
  

  Zend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies
  

  with eAccelerator v0.9.6.1, Copyright (c) 2004-2010 eAccelerator, by eAccelerator
  

  with Zend Optimizer v3.3.9, Copyright (c) 1998-2009, by Zend Technologies
 

  # curl -V
  

  curl 7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.14.0.0 zlib/1.2.3 libidn/1.18 libssh2/1.4.2
  

  Protocols: tftp ftp telnet dict ldap ldaps http file https ftps scp sftp
  

  Features: GSS-Negotiate IDN IPv6 Largefile NTLM SSL libz