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[Bug 47988] Segmentation fault

 

 

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bugzilla at apache

Oct 13, 2009, 12:33 AM

Post #1 of 8 (584 views)
Permalink
[Bug 47988] Segmentation fault

https://issues.apache.org/bugzilla/show_bug.cgi?id=47988

Ruediger Pluem <rpluem [at] apache> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO

--- Comment #1 from Ruediger Pluem <rpluem [at] apache> 2009-10-13 02:33:18 CEST ---
Where are the stacktraces from the other threads?

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bugzilla at apache

Oct 13, 2009, 2:10 PM

Post #2 of 8 (558 views)
Permalink
[Bug 47988] Segmentation fault [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47988

Jie Gao <J.Gao [at] isu> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |NEW

--- Comment #2 from Jie Gao <J.Gao [at] isu> 2009-10-13 14:10:27 UTC ---
backtrace for the rest of threads:

> gdb /usr/local/apache/bin/httpd /tmp/core.17211
GNU gdb Fedora (6.8-27.el5)
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu"...

warning: Can't read pathname for load map: Input/output error.
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /usr/lib/libaprutil-1.so.0...done.
Loaded symbols for /usr/lib/libaprutil-1.so.0
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /usr/lib/libldap-2.3.so.0...done.
Loaded symbols for /usr/lib/libldap-2.3.so.0
Reading symbols from /usr/lib/liblber-2.3.so.0...done.
Loaded symbols for /usr/lib/liblber-2.3.so.0
Reading symbols from /lib/libdb-4.3.so...done.
Loaded symbols for /lib/libdb-4.3.so
Reading symbols from /lib/libexpat.so.0...done.
Loaded symbols for /lib/libexpat.so.0
Reading symbols from /usr/lib/libapr-1.so.0...done.
Loaded symbols for /usr/lib/libapr-1.so.0
Reading symbols from /lib/libpthread.so.0...done.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /lib/libuuid.so.1...done.
Loaded symbols for /lib/libuuid.so.1
Reading symbols from /usr/lib/libpq.so.4...done.
Loaded symbols for /usr/lib/libpq.so.4
Reading symbols from /usr/lib/libsqlite3.so.0...done.
Loaded symbols for /usr/lib/libsqlite3.so.0
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /usr/lib/libsasl2.so.2...done.
Loaded symbols for /usr/lib/libsasl2.so.2
Reading symbols from /lib/libssl.so.6...done.
Loaded symbols for /lib/libssl.so.6
Reading symbols from /lib/libcrypto.so.6...done.
Loaded symbols for /lib/libcrypto.so.6
Reading symbols from /usr/lib/libkrb5.so.3...done.
Loaded symbols for /usr/lib/libkrb5.so.3
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /usr/lib/libgssapi_krb5.so.2...done.
Loaded symbols for /usr/lib/libgssapi_krb5.so.2
Reading symbols from /lib/libcom_err.so.2...done.
Loaded symbols for /lib/libcom_err.so.2
Reading symbols from /usr/lib/libk5crypto.so.3...done.
Loaded symbols for /usr/lib/libk5crypto.so.3
Reading symbols from /usr/lib/libz.so.1...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /usr/lib/libkrb5support.so.0...done.
Loaded symbols for /usr/lib/libkrb5support.so.0
Reading symbols from /lib/libkeyutils.so.1...done.
Loaded symbols for /lib/libkeyutils.so.1
Reading symbols from /lib/libselinux.so.1...done.
Loaded symbols for /lib/libselinux.so.1
Reading symbols from /lib/libsepol.so.1...done.
Loaded symbols for /lib/libsepol.so.1
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authn_file.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authn_file.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authn_dbm.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authn_dbm.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authn_anon.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authn_anon.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authn_dbd.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authn_dbd.so
Reading symbols from
/usr/local/httpd-2.2.14/modules/mod_authn_default.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authn_default.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authz_host.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_host.so
Reading symbols from
/usr/local/httpd-2.2.14/modules/mod_authz_groupfile.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_groupfile.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authz_user.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_user.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authz_dbm.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_dbm.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authz_owner.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_owner.so
Reading symbols from
/usr/local/httpd-2.2.14/modules/mod_authz_default.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_default.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_auth_basic.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_auth_basic.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_auth_digest.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_auth_digest.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_dbd.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_dbd.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_dumpio.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_dumpio.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_ext_filter.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_ext_filter.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_include.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_include.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_filter.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_filter.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_substitute.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_substitute.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_deflate.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_deflate.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_log_config.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_log_config.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_logio.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_logio.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_env.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_env.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_mime_magic.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_mime_magic.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_expires.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_expires.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_headers.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_headers.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_ident.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_ident.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_unique_id.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_unique_id.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_setenvif.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_setenvif.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_version.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_version.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy.so
Reading symbols from
/usr/local/httpd-2.2.14/modules/mod_proxy_connect.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_connect.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy_ftp.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_ftp.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy_http.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_http.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy_scgi.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_scgi.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy_ajp.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_ajp.so
Reading symbols from
/usr/local/httpd-2.2.14/modules/mod_proxy_balancer.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_balancer.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_ssl.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_ssl.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_mime.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_mime.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_dav.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_dav.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_status.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_status.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_autoindex.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_autoindex.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_asis.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_asis.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_info.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_info.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_cgid.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_cgid.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_dav_fs.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_dav_fs.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_vhost_alias.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_vhost_alias.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_negotiation.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_negotiation.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_dir.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_dir.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_imagemap.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_imagemap.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_actions.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_actions.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_speling.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_speling.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_userdir.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_userdir.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_alias.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_alias.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_rewrite.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_rewrite.so
Reading symbols from /usr/lib/libxml2.so...done.
Loaded symbols for /usr/lib/libxml2.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_xml2enc.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_xml2enc.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy_html.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_html.so
Reading symbols from /lib/libgcc_s.so.1...done.
Loaded symbols for /lib/libgcc_s.so.1
Core was generated by `/usr/local/httpd-2.2.14/bin/httpd -k start'.
Program terminated with signal 11, Segmentation fault.
[New process 17211]
#0 0x00dc4402 in __kernel_vsyscall ()
(gdb) thread apply all bt full

Thread 1 (process 17211):
#0 0x00dc4402 in __kernel_vsyscall ()
No symbol table info available.
#1 0x004e24cb in read () from /lib/libpthread.so.0
No symbol table info available.
#2 0x08094545 in ap_mpm_pod_check (pod=0x843e840) at pod.c:54
c = 0 '\0'
fd = 4
rc = 3529888
#3 0x08091f50 in child_main (child_num_arg=1) at worker.c:1258
threads = (apr_thread_t **) 0x8309a68
rv = 0
ts = (thread_starter *) 0x84ccf38
thread_attr = (apr_threadattr_t *) 0x84ccf48
start_thread_id = (apr_thread_t *) 0x84ccf80
#4 0x080920fc in make_child (s=0x82ce440, slot=1) at worker.c:1341
pid = 0
#5 0x08092231 in startup_children (number_to_start=1) at worker.c:1375
i = 1
#6 0x08092a9a in ap_mpm_run (_pconf=0x82cc550, plog=0x82fa608, s=0x82ce440) at
worker.c:1725
remaining_children_to_start = 2
rv = 0
#7 0x08063518 in main (argc=903651328, argv=0xb6fcf800) at main.c:740
c = 0 '\0'
configtestonly = 0
confname = 0x80a00f5 "conf/httpd.conf"
def_server_root = 0x80a0105 "/usr/local/httpd-2.2.14"
temp_error_log = 0x0
error = 0x0
process = (process_rec *) 0x82ca5c8
server_conf = (server_rec *) 0x82ce440
pglobal = (apr_pool_t *) 0x82ca548
pconf = (apr_pool_t *) 0x82cc550
plog = (apr_pool_t *) 0x82fa608
ptemp = (apr_pool_t *) 0x82d0560
pcommands = (apr_pool_t *) 0x82ce558
opt = (apr_getopt_t *) 0x82ce5f0
rv = 0
mod = (module **) 0x80ad110
optarg = 0xf63d4e2e <Address 0xf63d4e2e out of bounds>
signal_server = (apr_OFN_ap_signal_server_t *) 0x80851f4
<ap_signal_server>
(gdb)

---

> gdb /usr/local/apache/bin/httpd /tmp/core.17210
GNU gdb Fedora (6.8-27.el5)
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu"...

warning: Can't read pathname for load map: Input/output error.
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /usr/lib/libaprutil-1.so.0...done.
Loaded symbols for /usr/lib/libaprutil-1.so.0
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /usr/lib/libldap-2.3.so.0...done.
Loaded symbols for /usr/lib/libldap-2.3.so.0
Reading symbols from /usr/lib/liblber-2.3.so.0...done.
Loaded symbols for /usr/lib/liblber-2.3.so.0
Reading symbols from /lib/libdb-4.3.so...done.
Loaded symbols for /lib/libdb-4.3.so
Reading symbols from /lib/libexpat.so.0...done.
Loaded symbols for /lib/libexpat.so.0
Reading symbols from /usr/lib/libapr-1.so.0...done.
Loaded symbols for /usr/lib/libapr-1.so.0
Reading symbols from /lib/libpthread.so.0...done.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /lib/libuuid.so.1...done.
Loaded symbols for /lib/libuuid.so.1
Reading symbols from /usr/lib/libpq.so.4...done.
Loaded symbols for /usr/lib/libpq.so.4
Reading symbols from /usr/lib/libsqlite3.so.0...done.
Loaded symbols for /usr/lib/libsqlite3.so.0
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /usr/lib/libsasl2.so.2...done.
Loaded symbols for /usr/lib/libsasl2.so.2
Reading symbols from /lib/libssl.so.6...done.
Loaded symbols for /lib/libssl.so.6
Reading symbols from /lib/libcrypto.so.6...done.
Loaded symbols for /lib/libcrypto.so.6
Reading symbols from /usr/lib/libkrb5.so.3...done.
Loaded symbols for /usr/lib/libkrb5.so.3
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /usr/lib/libgssapi_krb5.so.2...done.
Loaded symbols for /usr/lib/libgssapi_krb5.so.2
Reading symbols from /lib/libcom_err.so.2...done.
Loaded symbols for /lib/libcom_err.so.2
Reading symbols from /usr/lib/libk5crypto.so.3...done.
Loaded symbols for /usr/lib/libk5crypto.so.3
Reading symbols from /usr/lib/libz.so.1...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /usr/lib/libkrb5support.so.0...done.
Loaded symbols for /usr/lib/libkrb5support.so.0
Reading symbols from /lib/libkeyutils.so.1...done.
Loaded symbols for /lib/libkeyutils.so.1
Reading symbols from /lib/libselinux.so.1...done.
Loaded symbols for /lib/libselinux.so.1
Reading symbols from /lib/libsepol.so.1...done.
Loaded symbols for /lib/libsepol.so.1
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authn_file.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authn_file.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authn_dbm.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authn_dbm.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authn_anon.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authn_anon.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authn_dbd.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authn_dbd.so
Reading symbols from
/usr/local/httpd-2.2.14/modules/mod_authn_default.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authn_default.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authz_host.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_host.so
Reading symbols from
/usr/local/httpd-2.2.14/modules/mod_authz_groupfile.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_groupfile.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authz_user.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_user.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authz_dbm.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_dbm.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_authz_owner.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_owner.so
Reading symbols from
/usr/local/httpd-2.2.14/modules/mod_authz_default.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_authz_default.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_auth_basic.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_auth_basic.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_auth_digest.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_auth_digest.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_dbd.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_dbd.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_dumpio.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_dumpio.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_ext_filter.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_ext_filter.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_include.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_include.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_filter.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_filter.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_substitute.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_substitute.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_deflate.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_deflate.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_log_config.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_log_config.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_logio.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_logio.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_env.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_env.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_mime_magic.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_mime_magic.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_expires.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_expires.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_headers.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_headers.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_ident.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_ident.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_unique_id.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_unique_id.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_setenvif.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_setenvif.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_version.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_version.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy.so
Reading symbols from
/usr/local/httpd-2.2.14/modules/mod_proxy_connect.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_connect.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy_ftp.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_ftp.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy_http.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_http.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy_scgi.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_scgi.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy_ajp.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_ajp.so
Reading symbols from
/usr/local/httpd-2.2.14/modules/mod_proxy_balancer.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_balancer.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_ssl.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_ssl.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_mime.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_mime.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_dav.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_dav.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_status.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_status.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_autoindex.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_autoindex.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_asis.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_asis.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_info.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_info.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_cgid.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_cgid.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_dav_fs.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_dav_fs.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_vhost_alias.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_vhost_alias.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_negotiation.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_negotiation.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_dir.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_dir.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_imagemap.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_imagemap.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_actions.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_actions.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_speling.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_speling.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_userdir.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_userdir.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_alias.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_alias.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_rewrite.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_rewrite.so
Reading symbols from /usr/lib/libxml2.so...done.
Loaded symbols for /usr/lib/libxml2.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_xml2enc.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_xml2enc.so
Reading symbols from /usr/local/httpd-2.2.14/modules/mod_proxy_html.so...done.
Loaded symbols for /usr/local/httpd-2.2.14/modules/mod_proxy_html.so
Reading symbols from /lib/libgcc_s.so.1...done.
Loaded symbols for /lib/libgcc_s.so.1
Core was generated by `/usr/local/httpd-2.2.14/bin/httpd -k start'.
Program terminated with signal 11, Segmentation fault.
[New process 17210]
#0 0x00dc4402 in __kernel_vsyscall ()
(gdb)
(gdb) thread apply all bt full

Thread 1 (process 17210):
#0 0x00dc4402 in __kernel_vsyscall ()
No symbol table info available.
#1 0x004e24cb in read () from /lib/libpthread.so.0
No symbol table info available.
#2 0x08094545 in ap_mpm_pod_check (pod=0x843e840) at pod.c:54
c = 0 '\0'
fd = 4
rc = 3529888
#3 0x08091f50 in child_main (child_num_arg=0) at worker.c:1258
threads = (apr_thread_t **) 0x8309a68
rv = 0
ts = (thread_starter *) 0x84ccf38
thread_attr = (apr_threadattr_t *) 0x84ccf48
start_thread_id = (apr_thread_t *) 0x84ccf80
#4 0x080920fc in make_child (s=0x82ce440, slot=0) at worker.c:1341
pid = 0
#5 0x08092231 in startup_children (number_to_start=2) at worker.c:1375
i = 0
#6 0x08092a9a in ap_mpm_run (_pconf=0x82cc550, plog=0x82fa608, s=0x82ce440) at
worker.c:1725
remaining_children_to_start = 2
rv = 0
#7 0x08063518 in main (argc=903651328, argv=0xb6fcf800) at main.c:740
c = 0 '\0'
configtestonly = 0
confname = 0x80a00f5 "conf/httpd.conf"
def_server_root = 0x80a0105 "/usr/local/httpd-2.2.14"
temp_error_log = 0x0
error = 0x0
process = (process_rec *) 0x82ca5c8
server_conf = (server_rec *) 0x82ce440
pglobal = (apr_pool_t *) 0x82ca548
pconf = (apr_pool_t *) 0x82cc550
plog = (apr_pool_t *) 0x82fa608
ptemp = (apr_pool_t *) 0x82d0560
pcommands = (apr_pool_t *) 0x82ce558
opt = (apr_getopt_t *) 0x82ce5f0
rv = 0
mod = (module **) 0x80ad110
optarg = 0xf63d4e2e <Address 0xf63d4e2e out of bounds>
signal_server = (apr_OFN_ap_signal_server_t *) 0x80851f4
<ap_signal_server>
---

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bugzilla at apache

Oct 13, 2009, 10:54 PM

Post #3 of 8 (556 views)
Permalink
[Bug 47988] Segmentation fault [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47988

Ruediger Pluem <rpluem [at] apache> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO

--- Comment #3 from Ruediger Pluem <rpluem [at] apache> 2009-10-14 00:54:31 CEST ---
This is a misunderstanding. I did not mean the other core dumps, but the other
threads in the first core dump. The stacktrace from the thread given gives no
hint for a possible crash. The crash must have happened in a different thread
of the same process and thus same core dump that isn't documented here.

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bugzilla at apache

Oct 14, 2009, 8:13 PM

Post #4 of 8 (552 views)
Permalink
[Bug 47988] Segmentation fault [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47988

--- Comment #4 from Jie Gao <J.Gao [at] isu> 2009-10-14 20:13:38 UTC ---
(In reply to comment #3)
> This is a misunderstanding. I did not mean the other core dumps, but the other
> threads in the first core dump. The stacktrace from the thread given gives no
> hint for a possible crash. The crash must have happened in a different thread
> of the same process and thus same core dump that isn't documented here.

I did run "thread apply all bt full". If that doesn't give you all the threads,
what does?

Jie

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bugzilla at apache

Oct 15, 2009, 3:47 PM

Post #5 of 8 (545 views)
Permalink
[Bug 47988] Segmentation fault [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47988

Jie Gao <J.Gao [at] isu> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |NEW

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bugzilla at apache

Oct 15, 2009, 10:04 PM

Post #6 of 8 (542 views)
Permalink
[Bug 47988] Segmentation fault [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47988

Ruediger Pluem <rpluem [at] apache> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO

--- Comment #5 from Ruediger Pluem <rpluem [at] apache> 2009-10-16 00:04:31 CEST ---
(In reply to comment #4)
> (In reply to comment #3)
> > This is a misunderstanding. I did not mean the other core dumps, but the other
> > threads in the first core dump. The stacktrace from the thread given gives no
> > hint for a possible crash. The crash must have happened in a different thread
> > of the same process and thus same core dump that isn't documented here.
>
> I did run "thread apply all bt full". If that doesn't give you all the threads,
> what does?

That is weird. Can you do an

info threads?

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bugzilla at apache

Oct 15, 2009, 10:10 PM

Post #7 of 8 (543 views)
Permalink
[Bug 47988] Segmentation fault [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47988

Jie Gao <J.Gao [at] isu> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |NEW

--- Comment #6 from Jie Gao <J.Gao [at] isu> 2009-10-15 22:10:06 UTC ---
(gdb) info threads
* 1 process 17266 0x00dc4402 in __kernel_vsyscall ()
(gdb)

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bugzilla at apache

Oct 15, 2009, 10:21 PM

Post #8 of 8 (540 views)
Permalink
[Bug 47988] Segmentation fault [In reply to]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47988

--- Comment #7 from Ruediger Pluem <rpluem [at] apache> 2009-10-16 00:21:31 CEST ---
Thanks but the problem is that the crash did not happen here. So with only
these stacktraces available we cannot do anything. We need to wait until more
meaningful crashes happen.

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