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Posted to c-user@axis.apache.org by Michael Ryan <mi...@mindspring.com> on 2008/05/08 15:13:43 UTC
segfault in apr_rmm_free after installing 1.4.0
This occurs during apache start-up is after an upgrade from 1.3.0 to 1.4.0
(apache 2.2.3) rampart/c installed.
s100:/usr/lib/apache2 # gdb httpd2
GNU gdb 6.6
Copyright (C) 2006 Free Software Foundation, Inc.
Using host libthread_db library "/lib/libthread_db.so.1".
(gdb) set pag off
(gdb) set args -X -k start
(gdb) run
Starting program: /usr/sbin/httpd2 -X -k start
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1213916384 (LWP 32270)]
(no debugging symbols found)
(no debugging symbols found)
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1213916384 (LWP 32270)]
0xb7ed338e in apr_rmm_free () from /usr/lib/libaprutil-1.so.0
(gdb) backtrace
#0 0xb7ed338e in apr_rmm_free () from /usr/lib/libaprutil-1.so.0
#1 0xb7743296 in axis2_module_free (allocator=0xb39b8028, ptr=0x0) at
mod_axis2.c:430
#2 0xb75630f2 in axiom_stax_builder_process_namespaces
(om_builder=0xb39b9c28, env=0xb39b82f8, node=0xb39be0d0, is_soap_element=0)
at om_stax_builder.c:481
#3 0xb756397c in axiom_stax_builder_create_om_element
(om_builder=0xb39b9c28, env=0xb39b82f8, is_empty=0) at om_stax_builder.c:579
#4 0xb7563c6b in axiom_stax_builder_next (om_builder=0xb39b9c28,
env=0xb39b82f8) at om_stax_builder.c:822
#5 0xb755a589 in axiom_document_build_next (document=0xb39b9ce8,
env=0xb39b82f8) at om_document.c:118
#6 0xb755a621 in axiom_document_get_root_element (document=0xb39b9ce8,
env=0xb39b82f8) at om_document.c:151
#7 0xb755a749 in axiom_document_build_all (document=0xb39b9ce8,
env=0xb39b82f8) at om_document.c:197
#8 0xb75a6a83 in axis2_desc_builder_build_om (desc_builder=0xb39b97b8,
env=0xb39b82f8) at desc_builder.c:206
#9 0xb75b1063 in axis2_conf_builder_populate_conf (conf_builder=0xb39b97a0,
env=0xb39b82f8) at conf_builder.c:157
#10 0xb75a9ed3 in axis2_dep_engine_load (dep_engine=0xb39b8338,
env=0xb39b82f8) at dep_engine.c:747
#11 0xb75b388c in axis2_build_conf_ctx (env=0xb39b82f8, repo_name=0x80145e38
"/usr/local/axis2c") at conf_init.c:61
#12 0xb7745bdf in axis2_apache2_worker_create (env=0xb39b82f8,
repo_path=0x80145e38 "/usr/local/axis2c") at apache2_worker.c:65
#13 0xb7743036 in axis2_post_config (pconf=0x8005b0a8, plog=0x80089160,
ptemp=0x8005f0b8, svr_rec=0x8005cf48) at mod_axis2.c:567
#14 0x8002f603 in ap_run_post_config () from /usr/sbin/httpd2
#15 0x8001af4d in main () from /usr/sbin/httpd2
(gdb)
(gdb) i r
eax 0x8015c3e8 -2146057240
ecx 0xb39b8008 -1281654776
edx 0x4c647fe8 1281654760
ebx 0xb7ed8368 -1209171096
esp 0xbfe162d0 0xbfe162d0
ebp 0xbfe162e8 0xbfe162e8
esi 0xfffffff0 -16
edi 0x8015c3e8 -2146057240
eip 0xb7ed338e 0xb7ed338e <apr_rmm_free+62>
eflags 0x10296 [ PF AF SF IF RF ]
cs 0x73 115
ss 0x7b 123
ds 0x7b 123
es 0x7b 123
fs 0x0 0
gs 0x33 51
(gdb) x /20i $eip
0xb7ed338e <apr_rmm_free+62>: mov 0x4(%esi),%eax
0xb7ed3391 <apr_rmm_free+65>: test %eax,%eax
0xb7ed3393 <apr_rmm_free+67>: je 0xb7ed3420 <apr_rmm_free+208>
0xb7ed3399 <apr_rmm_free+73>: cmp 0x8(%ecx,%eax,1),%edx
0xb7ed339d <apr_rmm_free+77>: je 0xb7ed3429 <apr_rmm_free+217>
0xb7ed33a3 <apr_rmm_free+83>: mov 0xc(%edi),%eax
0xb7ed33a6 <apr_rmm_free+86>: test %eax,%eax
0xb7ed33a8 <apr_rmm_free+88>: je 0xb7ed3480 <apr_rmm_free+304>
0xb7ed33ae <apr_rmm_free+94>: cmp $0x2,%eax
0xb7ed33b1 <apr_rmm_free+97>: jne 0xb7ed348a <apr_rmm_free+314>
0xb7ed33b7 <apr_rmm_free+103>: mov 0x10(%edi),%eax
0xb7ed33ba <apr_rmm_free+106>: mov %eax,(%esp)
0xb7ed33bd <apr_rmm_free+109>: call 0xb7ec74fc
<ap...@plt>
0xb7ed33c2 <apr_rmm_free+114>: mov $0x16,%eax
0xb7ed33c7 <apr_rmm_free+119>: mov 0xfffffff4(%ebp),%ebx
0xb7ed33ca <apr_rmm_free+122>: mov 0xfffffff8(%ebp),%esi
0xb7ed33cd <apr_rmm_free+125>: mov 0xfffffffc(%ebp),%edi
0xb7ed33d0 <apr_rmm_free+128>: mov %ebp,%esp
0xb7ed33d2 <apr_rmm_free+130>: pop %ebp
0xb7ed33d3 <apr_rmm_free+131>: ret
Linux s100 2.6.16.54-0.2.5-smp #1 SMP Mon Jan 21 13:29:51 UTC 2008 i686 i686
i386 GNU/Linux
s100:/usr/lib/apache2 #
httpd2 -v
Server version: Apache/2.2.3
Server built: Mar 26 2008 12:23:18
s100:/usr/lib/apache2 #
I see this also using 5/7/08 CVN tree builds of apache, axis2c, apr,
rampartc.
Re: segfault in apr_rmm_free after installing 1.4.0
Posted by zmr <mi...@mindspring.com>.
The patch proved to be a fix.
Thanks,
Mike
Uthaiyashankar wrote:
>
> Hi,
>
> It looks like, it is a bug. It is calling AXIS2_FREE() from
> om_stax_builder.c:481 with NULL pointer.
> (This can be seen from
> #1 0xb7743296 in axis2_module_free (allocator=0xb39b8028, ptr=0x0) at
> mod_axis2.c:430
> )
>
> Ideally, it if the pointer is NULL, AXIS2_FREE should not be called. Can
> you create a jira for this?
>
> Why that pointer becomes NULL should be checked. It might be valid, so
> can you apply following patch from <Axis2C location>\axiom\src\om and
> try? (or you can comment om_stax_builder.c:481 , but it will be a memory
> leak).
>
> Regards,
> Shankar
>
> Index: om_stax_builder.c
> ===================================================================
> --- om_stax_builder.c (revision 653833)
> +++ om_stax_builder.c (working copy)
> @@ -474,12 +474,14 @@
> AXIS2_FAILURE);
> return AXIS2_FAILURE;
> }
> +
> + #ifdef AXIS2_LIBXML2_ENABLED
> + axiom_xml_reader_xml_free(om_builder->parser, env,
> temp_prefix);
> + #else
> + AXIS2_FREE(env->allocator,temp_prefix);
> + #endif
> }
> -#ifdef AXIS2_LIBXML2_ENABLED
> - axiom_xml_reader_xml_free(om_builder->parser, env, temp_prefix);
> -#else
> - AXIS2_FREE(env->allocator,temp_prefix);
> -#endif
> +
> return status;
> }
>
>
> Michael Ryan wrote:
>>
>>
>>
>> This occurs during apache start-up is after an upgrade from 1.3.0 to
>> 1.4.0 (apache 2.2.3) rampart/c installed.
>>
>>
>>
>> s100:/usr/lib/apache2 # gdb httpd2
>>
>> GNU gdb 6.6
>>
>> Copyright (C) 2006 Free Software Foundation, Inc.
>>
>> Using host libthread_db library "/lib/libthread_db.so.1".
>>
>> (gdb) set pag off
>>
>> (gdb) set args -X -k start
>>
>> (gdb) run
>>
>> Starting program: /usr/sbin/httpd2 -X -k start
>>
>> (no debugging symbols found)
>>
>> (no debugging symbols found)
>>
>> [Thread debugging using libthread_db enabled]
>>
>> [New Thread -1213916384 (LWP 32270)]
>>
>> (no debugging symbols found)
>>
>> (no debugging symbols found)
>>
>>
>>
>> Program received signal SIGSEGV, Segmentation fault.
>>
>> [Switching to Thread -1213916384 (LWP 32270)]
>>
>> 0xb7ed338e in apr_rmm_free () from /usr/lib/libaprutil-1.so.0
>>
>> (gdb) backtrace
>>
>> #0 0xb7ed338e in apr_rmm_free () from /usr/lib/libaprutil-1.so.0
>>
>> #1 0xb7743296 in axis2_module_free (allocator=0xb39b8028, ptr=0x0) at
>> mod_axis2.c:430
>>
>> #2 0xb75630f2 in axiom_stax_builder_process_namespaces
>> (om_builder=0xb39b9c28, env=0xb39b82f8, node=0xb39be0d0,
>> is_soap_element=0) at om_stax_builder.c:481
>>
>> #3 0xb756397c in axiom_stax_builder_create_om_element
>> (om_builder=0xb39b9c28, env=0xb39b82f8, is_empty=0) at
>> om_stax_builder.c:579
>>
>> #4 0xb7563c6b in axiom_stax_builder_next (om_builder=0xb39b9c28,
>> env=0xb39b82f8) at om_stax_builder.c:822
>>
>> #5 0xb755a589 in axiom_document_build_next (document=0xb39b9ce8,
>> env=0xb39b82f8) at om_document.c:118
>>
>> #6 0xb755a621 in axiom_document_get_root_element
>> (document=0xb39b9ce8, env=0xb39b82f8) at om_document.c:151
>>
>> #7 0xb755a749 in axiom_document_build_all (document=0xb39b9ce8,
>> env=0xb39b82f8) at om_document.c:197
>>
>> #8 0xb75a6a83 in axis2_desc_builder_build_om
>> (desc_builder=0xb39b97b8, env=0xb39b82f8) at desc_builder.c:206
>>
>> #9 0xb75b1063 in axis2_conf_builder_populate_conf
>> (conf_builder=0xb39b97a0, env=0xb39b82f8) at conf_builder.c:157
>>
>> #10 0xb75a9ed3 in axis2_dep_engine_load (dep_engine=0xb39b8338,
>> env=0xb39b82f8) at dep_engine.c:747
>>
>> #11 0xb75b388c in axis2_build_conf_ctx (env=0xb39b82f8,
>> repo_name=0x80145e38 "/usr/local/axis2c") at conf_init.c:61
>>
>> #12 0xb7745bdf in axis2_apache2_worker_create (env=0xb39b82f8,
>> repo_path=0x80145e38 "/usr/local/axis2c") at apache2_worker.c:65
>>
>> #13 0xb7743036 in axis2_post_config (pconf=0x8005b0a8,
>> plog=0x80089160, ptemp=0x8005f0b8, svr_rec=0x8005cf48) at mod_axis2.c:567
>>
>> #14 0x8002f603 in ap_run_post_config () from /usr/sbin/httpd2
>>
>> #15 0x8001af4d in main () from /usr/sbin/httpd2
>>
>> (gdb)
>>
>> (gdb) i r
>>
>> eax 0x8015c3e8 -2146057240
>>
>> ecx 0xb39b8008 -1281654776
>>
>> edx 0x4c647fe8 1281654760
>>
>> ebx 0xb7ed8368 -1209171096
>>
>> esp 0xbfe162d0 0xbfe162d0
>>
>> ebp 0xbfe162e8 0xbfe162e8
>>
>> esi 0xfffffff0 -16
>>
>> edi 0x8015c3e8 -2146057240
>>
>> eip 0xb7ed338e 0xb7ed338e <apr_rmm_free+62>
>>
>> eflags 0x10296 [ PF AF SF IF RF ]
>>
>> cs 0x73 115
>>
>> ss 0x7b 123
>>
>> ds 0x7b 123
>>
>> es 0x7b 123
>>
>> fs 0x0 0
>>
>> gs 0x33 51
>>
>>
>>
>>
>>
>> (gdb) x /20i $eip
>>
>> 0xb7ed338e <apr_rmm_free+62>: mov 0x4(%esi),%eax
>>
>> 0xb7ed3391 <apr_rmm_free+65>: test %eax,%eax
>>
>> 0xb7ed3393 <apr_rmm_free+67>: je 0xb7ed3420 <apr_rmm_free+208>
>>
>> 0xb7ed3399 <apr_rmm_free+73>: cmp 0x8(%ecx,%eax,1),%edx
>>
>> 0xb7ed339d <apr_rmm_free+77>: je 0xb7ed3429 <apr_rmm_free+217>
>>
>> 0xb7ed33a3 <apr_rmm_free+83>: mov 0xc(%edi),%eax
>>
>> 0xb7ed33a6 <apr_rmm_free+86>: test %eax,%eax
>>
>> 0xb7ed33a8 <apr_rmm_free+88>: je 0xb7ed3480 <apr_rmm_free+304>
>>
>> 0xb7ed33ae <apr_rmm_free+94>: cmp $0x2,%eax
>>
>> 0xb7ed33b1 <apr_rmm_free+97>: jne 0xb7ed348a <apr_rmm_free+314>
>>
>> 0xb7ed33b7 <apr_rmm_free+103>: mov 0x10(%edi),%eax
>>
>> 0xb7ed33ba <apr_rmm_free+106>: mov %eax,(%esp)
>>
>> 0xb7ed33bd <apr_rmm_free+109>: call 0xb7ec74fc
>> <ap...@plt>
>>
>> 0xb7ed33c2 <apr_rmm_free+114>: mov $0x16,%eax
>>
>> 0xb7ed33c7 <apr_rmm_free+119>: mov 0xfffffff4(%ebp),%ebx
>>
>> 0xb7ed33ca <apr_rmm_free+122>: mov 0xfffffff8(%ebp),%esi
>>
>> 0xb7ed33cd <apr_rmm_free+125>: mov 0xfffffffc(%ebp),%edi
>>
>> 0xb7ed33d0 <apr_rmm_free+128>: mov %ebp,%esp
>>
>> 0xb7ed33d2 <apr_rmm_free+130>: pop %ebp
>>
>> 0xb7ed33d3 <apr_rmm_free+131>: ret
>>
>>
>>
>> Linux s100 2.6.16.54-0.2.5-smp #1 SMP Mon Jan 21 13:29:51 UTC 2008
>> i686 i686 i386 GNU/Linux
>>
>> s100:/usr/lib/apache2 #
>>
>>
>>
>> httpd2 -v
>>
>> Server version: Apache/2.2.3
>>
>> Server built: Mar 26 2008 12:23:18
>>
>> s100:/usr/lib/apache2 #
>>
>>
>>
>> I see this also using 5/7/08 CVN tree builds of apache, axis2c, apr,
>> rampartc.
>>
>>
>>
>
>
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>
>
>
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Re: segfault in apr_rmm_free after installing 1.4.0
Posted by Uthaiyashankar <sh...@wso2.com>.
Hi,
It looks like, it is a bug. It is calling AXIS2_FREE() from
om_stax_builder.c:481 with NULL pointer.
(This can be seen from
#1 0xb7743296 in axis2_module_free (allocator=0xb39b8028, ptr=0x0) at
mod_axis2.c:430
)
Ideally, it if the pointer is NULL, AXIS2_FREE should not be called. Can
you create a jira for this?
Why that pointer becomes NULL should be checked. It might be valid, so
can you apply following patch from <Axis2C location>\axiom\src\om and
try? (or you can comment om_stax_builder.c:481 , but it will be a memory
leak).
Regards,
Shankar
Index: om_stax_builder.c
===================================================================
--- om_stax_builder.c (revision 653833)
+++ om_stax_builder.c (working copy)
@@ -474,12 +474,14 @@
AXIS2_FAILURE);
return AXIS2_FAILURE;
}
+
+ #ifdef AXIS2_LIBXML2_ENABLED
+ axiom_xml_reader_xml_free(om_builder->parser, env,
temp_prefix);
+ #else
+ AXIS2_FREE(env->allocator,temp_prefix);
+ #endif
}
-#ifdef AXIS2_LIBXML2_ENABLED
- axiom_xml_reader_xml_free(om_builder->parser, env, temp_prefix);
-#else
- AXIS2_FREE(env->allocator,temp_prefix);
-#endif
+
return status;
}
Michael Ryan wrote:
>
>
>
> This occurs during apache start-up is after an upgrade from 1.3.0 to
> 1.4.0 (apache 2.2.3) rampart/c installed.
>
>
>
> s100:/usr/lib/apache2 # gdb httpd2
>
> GNU gdb 6.6
>
> Copyright (C) 2006 Free Software Foundation, Inc.
>
> Using host libthread_db library "/lib/libthread_db.so.1".
>
> (gdb) set pag off
>
> (gdb) set args -X -k start
>
> (gdb) run
>
> Starting program: /usr/sbin/httpd2 -X -k start
>
> (no debugging symbols found)
>
> (no debugging symbols found)
>
> [Thread debugging using libthread_db enabled]
>
> [New Thread -1213916384 (LWP 32270)]
>
> (no debugging symbols found)
>
> (no debugging symbols found)
>
>
>
> Program received signal SIGSEGV, Segmentation fault.
>
> [Switching to Thread -1213916384 (LWP 32270)]
>
> 0xb7ed338e in apr_rmm_free () from /usr/lib/libaprutil-1.so.0
>
> (gdb) backtrace
>
> #0 0xb7ed338e in apr_rmm_free () from /usr/lib/libaprutil-1.so.0
>
> #1 0xb7743296 in axis2_module_free (allocator=0xb39b8028, ptr=0x0) at
> mod_axis2.c:430
>
> #2 0xb75630f2 in axiom_stax_builder_process_namespaces
> (om_builder=0xb39b9c28, env=0xb39b82f8, node=0xb39be0d0,
> is_soap_element=0) at om_stax_builder.c:481
>
> #3 0xb756397c in axiom_stax_builder_create_om_element
> (om_builder=0xb39b9c28, env=0xb39b82f8, is_empty=0) at
> om_stax_builder.c:579
>
> #4 0xb7563c6b in axiom_stax_builder_next (om_builder=0xb39b9c28,
> env=0xb39b82f8) at om_stax_builder.c:822
>
> #5 0xb755a589 in axiom_document_build_next (document=0xb39b9ce8,
> env=0xb39b82f8) at om_document.c:118
>
> #6 0xb755a621 in axiom_document_get_root_element
> (document=0xb39b9ce8, env=0xb39b82f8) at om_document.c:151
>
> #7 0xb755a749 in axiom_document_build_all (document=0xb39b9ce8,
> env=0xb39b82f8) at om_document.c:197
>
> #8 0xb75a6a83 in axis2_desc_builder_build_om
> (desc_builder=0xb39b97b8, env=0xb39b82f8) at desc_builder.c:206
>
> #9 0xb75b1063 in axis2_conf_builder_populate_conf
> (conf_builder=0xb39b97a0, env=0xb39b82f8) at conf_builder.c:157
>
> #10 0xb75a9ed3 in axis2_dep_engine_load (dep_engine=0xb39b8338,
> env=0xb39b82f8) at dep_engine.c:747
>
> #11 0xb75b388c in axis2_build_conf_ctx (env=0xb39b82f8,
> repo_name=0x80145e38 "/usr/local/axis2c") at conf_init.c:61
>
> #12 0xb7745bdf in axis2_apache2_worker_create (env=0xb39b82f8,
> repo_path=0x80145e38 "/usr/local/axis2c") at apache2_worker.c:65
>
> #13 0xb7743036 in axis2_post_config (pconf=0x8005b0a8,
> plog=0x80089160, ptemp=0x8005f0b8, svr_rec=0x8005cf48) at mod_axis2.c:567
>
> #14 0x8002f603 in ap_run_post_config () from /usr/sbin/httpd2
>
> #15 0x8001af4d in main () from /usr/sbin/httpd2
>
> (gdb)
>
> (gdb) i r
>
> eax 0x8015c3e8 -2146057240
>
> ecx 0xb39b8008 -1281654776
>
> edx 0x4c647fe8 1281654760
>
> ebx 0xb7ed8368 -1209171096
>
> esp 0xbfe162d0 0xbfe162d0
>
> ebp 0xbfe162e8 0xbfe162e8
>
> esi 0xfffffff0 -16
>
> edi 0x8015c3e8 -2146057240
>
> eip 0xb7ed338e 0xb7ed338e <apr_rmm_free+62>
>
> eflags 0x10296 [ PF AF SF IF RF ]
>
> cs 0x73 115
>
> ss 0x7b 123
>
> ds 0x7b 123
>
> es 0x7b 123
>
> fs 0x0 0
>
> gs 0x33 51
>
>
>
>
>
> (gdb) x /20i $eip
>
> 0xb7ed338e <apr_rmm_free+62>: mov 0x4(%esi),%eax
>
> 0xb7ed3391 <apr_rmm_free+65>: test %eax,%eax
>
> 0xb7ed3393 <apr_rmm_free+67>: je 0xb7ed3420 <apr_rmm_free+208>
>
> 0xb7ed3399 <apr_rmm_free+73>: cmp 0x8(%ecx,%eax,1),%edx
>
> 0xb7ed339d <apr_rmm_free+77>: je 0xb7ed3429 <apr_rmm_free+217>
>
> 0xb7ed33a3 <apr_rmm_free+83>: mov 0xc(%edi),%eax
>
> 0xb7ed33a6 <apr_rmm_free+86>: test %eax,%eax
>
> 0xb7ed33a8 <apr_rmm_free+88>: je 0xb7ed3480 <apr_rmm_free+304>
>
> 0xb7ed33ae <apr_rmm_free+94>: cmp $0x2,%eax
>
> 0xb7ed33b1 <apr_rmm_free+97>: jne 0xb7ed348a <apr_rmm_free+314>
>
> 0xb7ed33b7 <apr_rmm_free+103>: mov 0x10(%edi),%eax
>
> 0xb7ed33ba <apr_rmm_free+106>: mov %eax,(%esp)
>
> 0xb7ed33bd <apr_rmm_free+109>: call 0xb7ec74fc
> <ap...@plt>
>
> 0xb7ed33c2 <apr_rmm_free+114>: mov $0x16,%eax
>
> 0xb7ed33c7 <apr_rmm_free+119>: mov 0xfffffff4(%ebp),%ebx
>
> 0xb7ed33ca <apr_rmm_free+122>: mov 0xfffffff8(%ebp),%esi
>
> 0xb7ed33cd <apr_rmm_free+125>: mov 0xfffffffc(%ebp),%edi
>
> 0xb7ed33d0 <apr_rmm_free+128>: mov %ebp,%esp
>
> 0xb7ed33d2 <apr_rmm_free+130>: pop %ebp
>
> 0xb7ed33d3 <apr_rmm_free+131>: ret
>
>
>
> Linux s100 2.6.16.54-0.2.5-smp #1 SMP Mon Jan 21 13:29:51 UTC 2008
> i686 i686 i386 GNU/Linux
>
> s100:/usr/lib/apache2 #
>
>
>
> httpd2 -v
>
> Server version: Apache/2.2.3
>
> Server built: Mar 26 2008 12:23:18
>
> s100:/usr/lib/apache2 #
>
>
>
> I see this also using 5/7/08 CVN tree builds of apache, axis2c, apr,
> rampartc.
>
>
>
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Re: segfault in apr_rmm_free after installing 1.4.0
Posted by Manjula Peiris <ma...@wso2.com>.
Yes you should be using shared memory. What are your mpm settings . You
can check it using,
./httpd -l
Thanks,
-Manjula.
On Thu, 2008-05-08 at 19:07 +0530, Samisa Abeysinghe wrote:
> Are you using shared memory model? If so, could you please try without that?
>
> Thanks,
> Samisa...
>
> Michael Ryan wrote:
> >
> >
> >
> > This occurs during apache start-up is after an upgrade from 1.3.0 to
> > 1.4.0 (apache 2.2.3) rampart/c installed.
> >
> >
> >
> > s100:/usr/lib/apache2 # gdb httpd2
> >
> > GNU gdb 6.6
> >
> > Copyright (C) 2006 Free Software Foundation, Inc.
> >
> > Using host libthread_db library "/lib/libthread_db.so.1".
> >
> > (gdb) set pag off
> >
> > (gdb) set args -X -k start
> >
> > (gdb) run
> >
> > Starting program: /usr/sbin/httpd2 -X -k start
> >
> > (no debugging symbols found)
> >
> > (no debugging symbols found)
> >
> > [Thread debugging using libthread_db enabled]
> >
> > [New Thread -1213916384 (LWP 32270)]
> >
> > (no debugging symbols found)
> >
> > (no debugging symbols found)
> >
> >
> >
> > Program received signal SIGSEGV, Segmentation fault.
> >
> > [Switching to Thread -1213916384 (LWP 32270)]
> >
> > 0xb7ed338e in apr_rmm_free () from /usr/lib/libaprutil-1.so.0
> >
> > (gdb) backtrace
> >
> > #0 0xb7ed338e in apr_rmm_free () from /usr/lib/libaprutil-1.so.0
> >
> > #1 0xb7743296 in axis2_module_free (allocator=0xb39b8028, ptr=0x0) at
> > mod_axis2.c:430
> >
> > #2 0xb75630f2 in axiom_stax_builder_process_namespaces
> > (om_builder=0xb39b9c28, env=0xb39b82f8, node=0xb39be0d0,
> > is_soap_element=0) at om_stax_builder.c:481
> >
> > #3 0xb756397c in axiom_stax_builder_create_om_element
> > (om_builder=0xb39b9c28, env=0xb39b82f8, is_empty=0) at
> > om_stax_builder.c:579
> >
> > #4 0xb7563c6b in axiom_stax_builder_next (om_builder=0xb39b9c28,
> > env=0xb39b82f8) at om_stax_builder.c:822
> >
> > #5 0xb755a589 in axiom_document_build_next (document=0xb39b9ce8,
> > env=0xb39b82f8) at om_document.c:118
> >
> > #6 0xb755a621 in axiom_document_get_root_element
> > (document=0xb39b9ce8, env=0xb39b82f8) at om_document.c:151
> >
> > #7 0xb755a749 in axiom_document_build_all (document=0xb39b9ce8,
> > env=0xb39b82f8) at om_document.c:197
> >
> > #8 0xb75a6a83 in axis2_desc_builder_build_om
> > (desc_builder=0xb39b97b8, env=0xb39b82f8) at desc_builder.c:206
> >
> > #9 0xb75b1063 in axis2_conf_builder_populate_conf
> > (conf_builder=0xb39b97a0, env=0xb39b82f8) at conf_builder.c:157
> >
> > #10 0xb75a9ed3 in axis2_dep_engine_load (dep_engine=0xb39b8338,
> > env=0xb39b82f8) at dep_engine.c:747
> >
> > #11 0xb75b388c in axis2_build_conf_ctx (env=0xb39b82f8,
> > repo_name=0x80145e38 "/usr/local/axis2c") at conf_init.c:61
> >
> > #12 0xb7745bdf in axis2_apache2_worker_create (env=0xb39b82f8,
> > repo_path=0x80145e38 "/usr/local/axis2c") at apache2_worker.c:65
> >
> > #13 0xb7743036 in axis2_post_config (pconf=0x8005b0a8,
> > plog=0x80089160, ptemp=0x8005f0b8, svr_rec=0x8005cf48) at mod_axis2.c:567
> >
> > #14 0x8002f603 in ap_run_post_config () from /usr/sbin/httpd2
> >
> > #15 0x8001af4d in main () from /usr/sbin/httpd2
> >
> > (gdb)
> >
> > (gdb) i r
> >
> > eax 0x8015c3e8 -2146057240
> >
> > ecx 0xb39b8008 -1281654776
> >
> > edx 0x4c647fe8 1281654760
> >
> > ebx 0xb7ed8368 -1209171096
> >
> > esp 0xbfe162d0 0xbfe162d0
> >
> > ebp 0xbfe162e8 0xbfe162e8
> >
> > esi 0xfffffff0 -16
> >
> > edi 0x8015c3e8 -2146057240
> >
> > eip 0xb7ed338e 0xb7ed338e <apr_rmm_free+62>
> >
> > eflags 0x10296 [ PF AF SF IF RF ]
> >
> > cs 0x73 115
> >
> > ss 0x7b 123
> >
> > ds 0x7b 123
> >
> > es 0x7b 123
> >
> > fs 0x0 0
> >
> > gs 0x33 51
> >
> >
> >
> >
> >
> > (gdb) x /20i $eip
> >
> > 0xb7ed338e <apr_rmm_free+62>: mov 0x4(%esi),%eax
> >
> > 0xb7ed3391 <apr_rmm_free+65>: test %eax,%eax
> >
> > 0xb7ed3393 <apr_rmm_free+67>: je 0xb7ed3420 <apr_rmm_free+208>
> >
> > 0xb7ed3399 <apr_rmm_free+73>: cmp 0x8(%ecx,%eax,1),%edx
> >
> > 0xb7ed339d <apr_rmm_free+77>: je 0xb7ed3429 <apr_rmm_free+217>
> >
> > 0xb7ed33a3 <apr_rmm_free+83>: mov 0xc(%edi),%eax
> >
> > 0xb7ed33a6 <apr_rmm_free+86>: test %eax,%eax
> >
> > 0xb7ed33a8 <apr_rmm_free+88>: je 0xb7ed3480 <apr_rmm_free+304>
> >
> > 0xb7ed33ae <apr_rmm_free+94>: cmp $0x2,%eax
> >
> > 0xb7ed33b1 <apr_rmm_free+97>: jne 0xb7ed348a <apr_rmm_free+314>
> >
> > 0xb7ed33b7 <apr_rmm_free+103>: mov 0x10(%edi),%eax
> >
> > 0xb7ed33ba <apr_rmm_free+106>: mov %eax,(%esp)
> >
> > 0xb7ed33bd <apr_rmm_free+109>: call 0xb7ec74fc
> > <ap...@plt>
> >
> > 0xb7ed33c2 <apr_rmm_free+114>: mov $0x16,%eax
> >
> > 0xb7ed33c7 <apr_rmm_free+119>: mov 0xfffffff4(%ebp),%ebx
> >
> > 0xb7ed33ca <apr_rmm_free+122>: mov 0xfffffff8(%ebp),%esi
> >
> > 0xb7ed33cd <apr_rmm_free+125>: mov 0xfffffffc(%ebp),%edi
> >
> > 0xb7ed33d0 <apr_rmm_free+128>: mov %ebp,%esp
> >
> > 0xb7ed33d2 <apr_rmm_free+130>: pop %ebp
> >
> > 0xb7ed33d3 <apr_rmm_free+131>: ret
> >
> >
> >
> > Linux s100 2.6.16.54-0.2.5-smp #1 SMP Mon Jan 21 13:29:51 UTC 2008
> > i686 i686 i386 GNU/Linux
> >
> > s100:/usr/lib/apache2 #
> >
> >
> >
> > httpd2 -v
> >
> > Server version: Apache/2.2.3
> >
> > Server built: Mar 26 2008 12:23:18
> >
> > s100:/usr/lib/apache2 #
> >
> >
> >
> > I see this also using 5/7/08 CVN tree builds of apache, axis2c, apr,
> > rampartc.
> >
> >
> >
> > ------------------------------------------------------------------------
> >
> > No virus found in this incoming message.
> > Checked by AVG.
> > Version: 7.5.524 / Virus Database: 269.23.10/1421 - Release Date: 5/7/2008 5:23 PM
> >
>
>
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Re: segfault in apr_rmm_free after installing 1.4.0
Posted by Samisa Abeysinghe <sa...@wso2.com>.
Are you using shared memory model? If so, could you please try without that?
Thanks,
Samisa...
Michael Ryan wrote:
>
>
>
> This occurs during apache start-up is after an upgrade from 1.3.0 to
> 1.4.0 (apache 2.2.3) rampart/c installed.
>
>
>
> s100:/usr/lib/apache2 # gdb httpd2
>
> GNU gdb 6.6
>
> Copyright (C) 2006 Free Software Foundation, Inc.
>
> Using host libthread_db library "/lib/libthread_db.so.1".
>
> (gdb) set pag off
>
> (gdb) set args -X -k start
>
> (gdb) run
>
> Starting program: /usr/sbin/httpd2 -X -k start
>
> (no debugging symbols found)
>
> (no debugging symbols found)
>
> [Thread debugging using libthread_db enabled]
>
> [New Thread -1213916384 (LWP 32270)]
>
> (no debugging symbols found)
>
> (no debugging symbols found)
>
>
>
> Program received signal SIGSEGV, Segmentation fault.
>
> [Switching to Thread -1213916384 (LWP 32270)]
>
> 0xb7ed338e in apr_rmm_free () from /usr/lib/libaprutil-1.so.0
>
> (gdb) backtrace
>
> #0 0xb7ed338e in apr_rmm_free () from /usr/lib/libaprutil-1.so.0
>
> #1 0xb7743296 in axis2_module_free (allocator=0xb39b8028, ptr=0x0) at
> mod_axis2.c:430
>
> #2 0xb75630f2 in axiom_stax_builder_process_namespaces
> (om_builder=0xb39b9c28, env=0xb39b82f8, node=0xb39be0d0,
> is_soap_element=0) at om_stax_builder.c:481
>
> #3 0xb756397c in axiom_stax_builder_create_om_element
> (om_builder=0xb39b9c28, env=0xb39b82f8, is_empty=0) at
> om_stax_builder.c:579
>
> #4 0xb7563c6b in axiom_stax_builder_next (om_builder=0xb39b9c28,
> env=0xb39b82f8) at om_stax_builder.c:822
>
> #5 0xb755a589 in axiom_document_build_next (document=0xb39b9ce8,
> env=0xb39b82f8) at om_document.c:118
>
> #6 0xb755a621 in axiom_document_get_root_element
> (document=0xb39b9ce8, env=0xb39b82f8) at om_document.c:151
>
> #7 0xb755a749 in axiom_document_build_all (document=0xb39b9ce8,
> env=0xb39b82f8) at om_document.c:197
>
> #8 0xb75a6a83 in axis2_desc_builder_build_om
> (desc_builder=0xb39b97b8, env=0xb39b82f8) at desc_builder.c:206
>
> #9 0xb75b1063 in axis2_conf_builder_populate_conf
> (conf_builder=0xb39b97a0, env=0xb39b82f8) at conf_builder.c:157
>
> #10 0xb75a9ed3 in axis2_dep_engine_load (dep_engine=0xb39b8338,
> env=0xb39b82f8) at dep_engine.c:747
>
> #11 0xb75b388c in axis2_build_conf_ctx (env=0xb39b82f8,
> repo_name=0x80145e38 "/usr/local/axis2c") at conf_init.c:61
>
> #12 0xb7745bdf in axis2_apache2_worker_create (env=0xb39b82f8,
> repo_path=0x80145e38 "/usr/local/axis2c") at apache2_worker.c:65
>
> #13 0xb7743036 in axis2_post_config (pconf=0x8005b0a8,
> plog=0x80089160, ptemp=0x8005f0b8, svr_rec=0x8005cf48) at mod_axis2.c:567
>
> #14 0x8002f603 in ap_run_post_config () from /usr/sbin/httpd2
>
> #15 0x8001af4d in main () from /usr/sbin/httpd2
>
> (gdb)
>
> (gdb) i r
>
> eax 0x8015c3e8 -2146057240
>
> ecx 0xb39b8008 -1281654776
>
> edx 0x4c647fe8 1281654760
>
> ebx 0xb7ed8368 -1209171096
>
> esp 0xbfe162d0 0xbfe162d0
>
> ebp 0xbfe162e8 0xbfe162e8
>
> esi 0xfffffff0 -16
>
> edi 0x8015c3e8 -2146057240
>
> eip 0xb7ed338e 0xb7ed338e <apr_rmm_free+62>
>
> eflags 0x10296 [ PF AF SF IF RF ]
>
> cs 0x73 115
>
> ss 0x7b 123
>
> ds 0x7b 123
>
> es 0x7b 123
>
> fs 0x0 0
>
> gs 0x33 51
>
>
>
>
>
> (gdb) x /20i $eip
>
> 0xb7ed338e <apr_rmm_free+62>: mov 0x4(%esi),%eax
>
> 0xb7ed3391 <apr_rmm_free+65>: test %eax,%eax
>
> 0xb7ed3393 <apr_rmm_free+67>: je 0xb7ed3420 <apr_rmm_free+208>
>
> 0xb7ed3399 <apr_rmm_free+73>: cmp 0x8(%ecx,%eax,1),%edx
>
> 0xb7ed339d <apr_rmm_free+77>: je 0xb7ed3429 <apr_rmm_free+217>
>
> 0xb7ed33a3 <apr_rmm_free+83>: mov 0xc(%edi),%eax
>
> 0xb7ed33a6 <apr_rmm_free+86>: test %eax,%eax
>
> 0xb7ed33a8 <apr_rmm_free+88>: je 0xb7ed3480 <apr_rmm_free+304>
>
> 0xb7ed33ae <apr_rmm_free+94>: cmp $0x2,%eax
>
> 0xb7ed33b1 <apr_rmm_free+97>: jne 0xb7ed348a <apr_rmm_free+314>
>
> 0xb7ed33b7 <apr_rmm_free+103>: mov 0x10(%edi),%eax
>
> 0xb7ed33ba <apr_rmm_free+106>: mov %eax,(%esp)
>
> 0xb7ed33bd <apr_rmm_free+109>: call 0xb7ec74fc
> <ap...@plt>
>
> 0xb7ed33c2 <apr_rmm_free+114>: mov $0x16,%eax
>
> 0xb7ed33c7 <apr_rmm_free+119>: mov 0xfffffff4(%ebp),%ebx
>
> 0xb7ed33ca <apr_rmm_free+122>: mov 0xfffffff8(%ebp),%esi
>
> 0xb7ed33cd <apr_rmm_free+125>: mov 0xfffffffc(%ebp),%edi
>
> 0xb7ed33d0 <apr_rmm_free+128>: mov %ebp,%esp
>
> 0xb7ed33d2 <apr_rmm_free+130>: pop %ebp
>
> 0xb7ed33d3 <apr_rmm_free+131>: ret
>
>
>
> Linux s100 2.6.16.54-0.2.5-smp #1 SMP Mon Jan 21 13:29:51 UTC 2008
> i686 i686 i386 GNU/Linux
>
> s100:/usr/lib/apache2 #
>
>
>
> httpd2 -v
>
> Server version: Apache/2.2.3
>
> Server built: Mar 26 2008 12:23:18
>
> s100:/usr/lib/apache2 #
>
>
>
> I see this also using 5/7/08 CVN tree builds of apache, axis2c, apr,
> rampartc.
>
>
>
> ------------------------------------------------------------------------
>
> No virus found in this incoming message.
> Checked by AVG.
> Version: 7.5.524 / Virus Database: 269.23.10/1421 - Release Date: 5/7/2008 5:23 PM
>
--
Samisa Abeysinghe
Director, Engineering; WSO2 Inc.
http://www.wso2.com/ - "The Open Source SOA Company"
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