Child Pid Exit Signal Bus Error 7 Apache
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Modified: 2007-03-21 15:23 UTC From: pbugs at ausschlafen dot com Assigned: Status: Closed Package: APC (PECL) PHP Version: Irrelevant OS: Linux 2.4.16-64GB-SMP Private report: No CVE-ID: View Add Comment Developer Edit [2007-03-19 13:17 UTC] pbugs at ausschlafen dot com Description: ------------ Hi, I tried to upgrade APC and php together. What I have is php 4.4.6 and APC 3.0.13, running under Apache 1.3.37. I took a sample of all unique GET URLs of my http://linux.ittoolbox.com/groups/technical-functional/redhat-l/child-pid-19395-exit-signal-bus-error-7-5198662 live site and replayed them on the test server, so the test is not run in a high load environment. Nevertheless, sooner or later during the replay, apache childs crash with : [notice] child pid 30366 exit signal Bus error (7) As long as the APC console is working, it does not show any problem; https://bugs.php.net/bug.php?id=57581 no fragmentation and the memory usage is not more than 50% of the 64 MB I assigned to APC. After the errors occur, the server is unstable. Static files can be served, but the APC console (and most - but not all- other php apps and scripts) don't work any more. The crashes do not always occur at the same step of the URL replay; in this respect I can not pinpoint a single script or application. However, multiple test runs repeatedly failed sooner or later. Apache has to be restarted then. Occasionally I see [apc-error] Cannot redeclare classes in the Apache error log when some wordpress blogs are accessed. The PHP error log remains empty (E_ALL), however. These happen to appear shortly before the "Bus errors", but I don't know whether there is a connection to the crash or not. My APC settings: configured with ./configure --enable-apc --enable-apc-mmap --with-apxs=... php.ini: extension="apc.so" apc.enabled=1 apc.shm_segments=1 apc.optimization=0 apc.shm_size=64 apc.ttl=7600 apc.user_ttl=3600 apc.gc_ttl=3600 apc.num_files_hint=1500 apc.user_entries_hint=100 apc.mmap_file_mask=/mnt/ramdisk/apc13.XXXXXX apc.enable_cli=0 ;apc.
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of http://serverfault.com/questions/728093/debugging-apache2-errors-exit-signal-bus-error this site About Us Learn more about Stack Overflow the company Business Learn https://processwire.com/talk/topic/4133-child-pid-exit-signal-bus-error-10/ more about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody bus error can answer The best answers are voted up and rise to the top Debugging apache2 errors: exit signal Bus error up vote 0 down vote favorite I'm hoping someone can help me debug my apache2 errors. For some reasons I'm getting a lot of errors lately on one of my systems: Sat Oct 10 16:49:24.101959 2015] [core:notice] [pid 18380] AH00051: child pid 2126 exit exit signal bus signal Bus error (7), possible coredump in /tmp/apache-coredumps [Sat Oct 10 16:50:35.178108 2015] [core:notice] [pid 18380] AH00051: child pid 1971 exit signal Bus error (7), possible coredump in /tmp/apache-coredumps [Sat Oct 10 16:50:43.188837 2015] [core:notice] [pid 18380] AH00051: child pid 2413 exit signal Bus error (7), possible coredump in /tmp/apache-coredumps I tried debugging with gdb, but I have no clue how to proceed after letting gdp loose on my coredump. This is the gdb output: GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1 Copyright (C) 2014 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later
Twitter Sign Up Search About Docs Download Blog Store Sites Modules Forums All Content All Content This Topic This Forum Advanced Search Browse Forums Guidelines Staff Online Users More Activity All Activity My Activity Streams Recently Updated Topics Unread Content Content I Started Search More Store Orders Manage Purchases My Details Personal Information Addresses Alternative Contacts More Support Support More More More All Activity Home Community Support General Support child pid # exit signal bus error (10) Sign in to follow this Followers 3 child pid # exit signal bus error (10) Started by Soma, July 26, 2013 7 posts in this topic Soma 5,947 Dreamer Moderators 5,947 6,472 posts LocationSH, Switzerland Posted July 26, 2013 · Report post I'm creating a new Fieldtype, or trying to and run into a problem that doesn't seem PW related, but it's really strange. I only happens when I add a new Inputfield module (not happens with other types!) if the error wouldn't be strangely enough already added Inputfield module seem to work. I found some infos out there but all seem not to be related and it seems like a apache/php/hardware problem. I'm lost from apache error_log: [Fri Jul 26 14:51:29 2013] [notice] child pid 584 exit signal Bus error (10) [Fri Jul 26 14:51:30 2013] [notice] child pid 525 exit signal Bus error (10) [Fri Jul 26 14:51:30 2013] [notice] child pid 524 exit signal Bus error (10) [Fri Jul 26 14:52:31 2013] [notice] child pid 586 exit signal Bus error (10) [Fri Jul 26 14:55:19 2013] [notice] child pid 630 exit signal Bus error (10) [Fri Jul 26 14:55:52 2013] [notice] child pid 523 exit signal Bus error (10) [Fri Jul 26 14:57:36 2013] [notice] child pid 589 exit signal Bus error (10) [Fri Jul 26 15:02:19 2013] [notice] child pid 3120 exit signal Bus error (10) I first thought it's a syntax error or something but after hour of trying it's all right and when I try to create a test Inputfield it happens again. Share this post Link to post Share on other sites DaveP 626 Old Bloke Members 626 648 posts LocationChorley, UK Posted July 26, 2013 · Report p