httpd-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Techienote com <techienote....@gmail.com>
Subject Re: [users@httpd] Core dump in Oracle HTTP Server build on Apache 1.3
Date Fri, 12 Apr 2013 16:10:33 GMT
On Fri, Apr 12, 2013 at 4:59 PM, Jeff Trawick <trawick@gmail.com> wrote:

>  On Fri, Apr 12, 2013 at 2:51 AM, Techienote com <techienote.com@gmail.com
> > wrote:
>
>>  Hi Folks,
>>
>>
>>
>> Recently we are facing core dump in Oracle HTTP Server which is build on
>> Apache 1.3
>>
>>
>>
>> Following is the output of httpd -V command
>>
>>
>> -------------------------------------------------------------------------------------------------------
>>
>> Server version: Oracle-Application-Server-10g/10.1.3.1.0
>> Oracle-HTTP-Server
>> Server built:   Sep 22 2006 04:35:27
>> Server's Module Magic Number: 19990320:18
>> Server compiled with....
>>  -D EAPI
>>  -D EAPI_MM
>>  -D EAPI_MM_CORE_PATH="logs/mm"
>>  -D HAVE_MMAP
>>  -D USE_MMAP_SCOREBOARD
>>  -D USE_MMAP_FILES
>>  -D HAVE_FCNTL_SERIALIZED_ACCEPT
>>  -D HAVE_SYSVSEM_SERIALIZED_ACCEPT
>>  -D HAVE_PTHREAD_SERIALIZED_ACCEPT
>>  -D DYNAMIC_MODULE_LIMIT=64
>>  -D HARD_SERVER_LIMIT=8192
>>  -D HTTPD_ROOT="/tmp/apache"
>>  -D SUEXEC_BIN="/tmp/apache/bin/suexec"
>>  -D DEFAULT_PIDLOG="logs/httpd.pid"
>>  -D DEFAULT_SCOREBOARD="logs/httpd.scoreboard"
>>  -D DEFAULT_LOCKFILE="logs/httpd.lock"
>>  -D DEFAULT_ERRORLOG="logs/error_log"
>>  -D TYPES_CONFIG_FILE="conf/mime.types"
>>  -D SERVER_CONFIG_FILE="conf/httpd.conf"
>>  -D ACCESS_CONFIG_FILE="conf/access.conf"
>>  -D RESOURCE_CONFIG_FILE="conf/srm.conf"
>>
>>
>> ------------------------------------------------------------------------------------------------------
>>
>>
>>
>> I have tried to run the same using pstack command. Following is the
>> output of the pstack command
>>
>>
>>
>>
>> -------------------------------------------------------------------------------------------------------
>>
>> core 'core' of 13893:   /ora10gas/OracleAS/Apache/Apache/bin/httpd -d
>> /ora10gas/OracleAS/Apach
>> -----------------  lwp# 1 / thread# 1  --------------------
>>  ff091a28 memcpy   (ffbfc998, fddb2838, ffbff1e4, ffbff1f4, fe0d3d64,
>> fe0d3d84) + 104c
>>  fe063bbc shmcb_retrieve_session (259f40, fddb2838, ffbff270, 6b63feff,
>> 80808080, 1010101) + 118
>>  fe063044 ssl_scache_shmcb_retrieve (259f40, ffbff2e0, 20683c, ffbff60c,
>> 468740, 468e74) + 7c
>>  fe061430 ssl_scache_retrieve (259f40, ffbff360, 0, 0, 46895c, ffbff3a0)
>> + f4
>>  fe05e8f4 ssl_callback_GetSessionCacheEntry (2000, 33f498, ffffffff,
>> ffffffff, ffbff6f8, 4683c4) + 88
>>
>
> SSLSessionCache none (or something) will avoid this code/crash, but you'll
> likely encounter noticeable performance degradation (client response time
> and/or server CPU).  Unless the crash is happening very frequently (i.e.,
> severely affecting service) you probably don't want to do that.
>
> You need to get assistance from Oracle.  This is a proprietary SSL toolkit
> and proprietary patches to old levels of open source.
>
> Can you please let me know why you are suspecting SSLSessionCache?

>
>
>>   fe1730bc nzospGetSession (ffbff448, ffbff450, 4683cc, 468740, 468740,
>> 45b2cb) + 24
>>  f87fdde0 ssl_Hshk_GetSessionID (20, 468909, ffbff534, 4, 468710, 468740)
>> + a8
>>  f8884274 ssl_Hshk_Priv_GetSessionDBRecord (468710, ffbff53f, ffbff534,
>> 468964, 0, 1) + 74
>>  f8883f04 ssl_Hshk_Priv_ProcessClientHello (300, 300, 469190, 468710, 0,
>> ffbff5b0) + 174
>>  f8879d24 STM_ExecuteLine (455238, f906374c, 1001, 469190, 0, 45525c) + 40
>>  f8879a94 STM_DoOneCycle (455238, ffbff6dc, 20683c, ffbff60c, 468740,
>> 468e74) + 148
>>  f88798fc STM_Operate (455238, ffbff6dc, f8882b74, 468710, 46895c,
>> 20683c) + 14
>>  f87f3f90 ssl_Hshk_HandshakeProceed (468710, 0, 0, 4000, ffbff6f8,
>> 4683c4) + b0
>>  f87f2a1c ssl_Handshake (468710, 810a0038, 810d0013, 810d0000, ffbff780,
>> 4683c4) + 30
>>  fe16d80c nzos_Handshake (4683b8, 33f4cc, 434478, fffffff8, 0, 4364b0) +
>> b0
>>  fe05ca90 SSL_new_server_side (fe100818, 33f4cc, fe0ec98c, 2400, 2664,
>> 4314b0) + 13c
>>  fe05c8a0 ssl_hook_NewConnection (431440, 91314, 9b3f0, ffbff8d8, 8c4c0,
>> 902ec) + 14c
>>  00030538 new_connection (a59e0, 933a0, a5a18, ffbff994, ffbff984, 2) +
>> 12c
>>  00031ee4 child_main (90ad4, d8c, e20, a7c, 1800, c00) + 95c
>>  00032278 make_child (933a0, 2, 516551db, 10, 1cf4, ff1e8140) + 16c
>>  00032358 startup_children (5, 14, 869d8, 1b840, 0, 21cc8) + 8c
>>  00032be8 standalone_main (800, 878, c00, d64, 1800, 1a44c) + 28c
>>  00033820 main     (c00, dec, 1800, 1a20, 1800, 19ec) + 568
>>  000193c0 _start   (0, 0, 0, 0, 0, 0) + 108
>> -----------------  lwp# 2 / thread# 2  --------------------
>>  ff16e298 __pollsys (fdc1be68, 0, fdc1bed0, 0, 0, 0) + 8
>>  ff109abc pselect  (fdc1be68, ff1e6790, ff1e6790, 0, fdc1bed0, 0) + 1c8
>>  ff109e34 select   (0, 0, 0, 0, fdc1bf38, fe002394) + a0
>>  fe0035d8 swwwcsl_Sleep (ea60, 7, fe012d30, 3645, fdb00200, 1) + 40
>>  fe00470c wwccuctp_CleanupThreadProc (42bca0, fdc1c000, 0, 0, fe00465c,
>> 1) + b0
>>  ff16a9c8 _lwp_start (0, 0, 0, 0, 0, 0)
>> -----------------  lwp# 3 / thread# 3  --------------------
>>  ff16aa6c __lwp_park (1, 42be50, fdafbe08, 0, 7dc18, 0) + 14
>>  ff164ab0 cond_wait_queue (42bdc8, 42be50, fdafbe08, 0, 0, 0) + 4c
>>  ff164ef4 cond_wait_common (42bdc8, 42be50, fdafbe08, 0, 0, 0) + 294
>>  ff165088 _cond_timedwait (42bdc8, 42be50, fdafbed0, 0, 0, 0) + 34
>>  ff16517c cond_timedwait (42bdc8, 42be50, fdafbed0, 0, 0, fdafbed8) + 14
>>  f8df683c sltspctimewait (21e658, 3f99e0, 3f99e4, 493e0, 42be50,
>> ff163f48) + d4
>>  fe0034ac swwwctwe_TimedWaitForEvent (3f99e0, 493e0, fe0121ec, 8, f4240,
>> 0) + 40
>>  fe000afc wwchmctp_CHMThreadProc (18f4, 1800, 1800, 1800, 1800, 1a3c) +
>> 118
>>  ff16a9c8 _lwp_start (0, 0, 0, 0, 0, 0)
>>
>>
>> ------------------------------------------------------------------------------------------------------
>>
>>
>>
>> Need your help to analyze further is this issue. Need to understand the
>> cause of core dump and how we can fix it. Simultaneously I am also
>> raising this with Oracle support but not receiving any proper reply.
>>
>
>
>
> --
> Born in Roswell... married an alien...
> http://emptyhammock.com/
>

Mime
View raw message