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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 48030] Segmentation Fault
Date Fri, 23 Oct 2009 11:42:17 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=48030

--- Comment #9 from Bernd Leibing <bernd.leibing@uni-ulm.de> 2009-10-23 04:42:16 UTC
---
With a simple stresstest I managed to trigger  
th bug on an  otherwise unloaded server

I used:

ab -n 100 -c 20 http://myserver


Servertype: prefork MPM 

# dbx /www/apache/bin/httpd core.httpd.122.17147 
For information about new features see `help changes'
To remove this message, put `dbxenv suppress_startup_message 7.6' in your
.dbxrc
Reading httpd
core file header read successfully
Reading ld.so.1
Reading libz.so.1
Reading libssl.so.0.9.8
Reading libcrypto.so.0.9.8
Reading libdl.so.1
Reading libm.so.2
Reading libaprutil-1.so.0.3.9
Reading libexpat.so.0.1.0
Reading libapr-1.so.0.3.9
Reading libuuid.so.1
Reading libsendfile.so.1
Reading librt.so.1
Reading libsocket.so.1
Reading libnsl.so.1
Reading libpthread.so.1
Reading libc.so.1
Reading libaio.so.1
Reading libmd.so.1
Reading libresolv.so.2
Reading libgen.so.1
Reading libcmd.so.1
Reading libscf.so.1
Reading libdoor.so.1
Reading libuutil.so.1
Reading libmp.so.2
Reading libphp5.so
Reading libpq.so.5.1
Reading libmysqlclient.so.15.0.0
Reading libldap-2.4.so.2.4.2
Reading liblber-2.4.so.2.4.2
Reading libfreetype.so.6
Reading libX11.so.4
Reading libXpm.so.4
Reading libpng12.so.0.18.0
Reading libjpeg.so.62.0.0
Reading libkstat.so.1
Reading libsched.so.1
Reading libclntsh.so.10.1
dbx: internal warning: "(null)"::srcname(InfoOrigin_CMDLINE): value
"ntcontab.c" being set to "nt.c"
Reading libxml2.so.2.7.3
Reading libgcc_s.so.1
Reading libthread.so.1
Reading libsasl.so.1
Reading libgss.so.1
Reading libnnz10.so
Reading eaccelerator.so
t@1 (l@1) program terminated by signal SEGV (Segmentation Fault)
Current function is child_main
  635                   lr = pdesc[last_poll_idx++].client_data;
(dbx) where                                                                  
current thread: t@1
=>[1] child_main(child_num_arg = 1), line 635 in "prefork.c"
  [2] make_child(s = 0x8169fe0, slot = 1), line 758 in "prefork.c"
  [3] startup_children(number_to_start = 39), line 776 in "prefork.c"
  [4] ap_mpm_run(_pconf = 0x8162928, plog = 0x81a6a38, s = 0x8169fe0), line 997
in "prefork.c"
  [5] main(argc = 3, argv = 0x8047d40), line 740 in "main.c"
(dbx)

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