cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

Core Dump in PHP agent

Pete.Rodriguez
New Member

Hi we're using php-agent and seeing about ~40-60 segfaults with httpd. error_log message shows [Tue May 04 20:29:38 2021] [notice] child pid 9220 exit signal Segmentation fault (11), possible coredump in /var/crash

Here's the backtrace of the core:

segfault(gdb) where
#0 0x00007f875e35e9df in __strlen_sse42 () from /lib64/libc.so.6
#1 0x00007f874f6a70cc in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::assign(char const*) () from /usr/lib64/libstdc++.so.6
#2 0x00007f8745dc5e46 in ?? () from /usr/lib64/php/modules/appdynamics_agent.so
#3 0x00007f8745dc70e5 in ?? () from /usr/lib64/php/modules/appdynamics_agent.so
#4 0x00007f8745ddfa7d in ?? () from /usr/lib64/php/modules/appdynamics_agent.so
#5 0x00007f8745d7a55f in ?? () from /usr/lib64/php/modules/appdynamics_agent.so
#6 0x00007f8759970304 in zend_deactivate_modules () from /etc/httpd/modules/libphp7.so
#7 0x00007f875990a115 in php_request_shutdown () from /etc/httpd/modules/libphp7.so
#8 0x00007f87599fd6c7 in ?? () from /etc/httpd/modules/libphp7.so
#9 0x000056367e4c5630 in ap_run_handler ()
#10 0x000056367e4c8eee in ap_invoke_handler ()
#11 0x000056367e4d4640 in ap_process_request ()
#12 0x000056367e4d1488 in ?? ()
#13 0x000056367e4cd158 in ap_run_process_connection ()
#14 0x000056367e4d985d in ?? ()
#15 0x000056367e4d9b79 in ?? ()
#16 0x000056367e4d9eab in ap_mpm_run ()
#17 0x000056367e4afcf0 in main ()
root@s1z3pddzwbt01 /var/crash # rpm -qi appdynamics-php-agent-21.2.0.4355-1.x86_64 appdynamics-machine-agent-21.2.0.3052-1.x86_64
Name : appdynamics-php-agent Relocations: /
Version : 21.2.0.4355 Vendor: AppDynamics
Release : 1 Build Date: Mon 22 Feb 2021 06:00:28 PM MST
Install Date: Tue 09 Mar 2021 01:55:57 AM MST Build Host: 13f42bc3e723
Group : default Source RPM: appdynamics-php-agent-21.2.0.4355-1.src.rpm
Size : 168384768 License: Commercial
Signature : (none)
Packager : support@appdynamics.com
URL : http://appdynamics.com/
Summary : AppDynamics PHP Agent
Description :
AppDynamics PHP Agent
Name : appdynamics-machine-agent Relocations: (not relocatable)
Version : 21.2.0.3052 Vendor: AppDynamics Inc
Release : 1 Build Date: Tue 16 Feb 2021 11:39:51 AM MST
Install Date: Thu 11 Mar 2021 11:37:03 AM MST Build Host: fa1482a4a8ca
Group : Applications/System Source RPM: appdynamics-machine-agent-21.2.0.3052-1-src.rpm
Size : 236967383 License:
Signature : DSA/SHA1, Tue 16 Feb 2021 11:45:01 AM MST, Key ID 23eacb9fb2925351
Packager : swuser
URL : https://docs.appdynamics.com/display/PRO45/FAQs+and+Troubleshooting
Summary : appdynamics-machine-agent
Description :
AppDynamics Machine Agent for monitoring the system.

   

0 REPLIES 0