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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 21460] New: - Apache restarts after an "Access Violation"
Date Thu, 10 Jul 2003 10:40:54 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=21460

Apache restarts after an "Access Violation"

           Summary: Apache restarts after an "Access Violation"
           Product: Apache httpd-2.0
           Version: 2.0.45
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Major
          Priority: Other
         Component: mod_auth_ldap
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: pronse@omel.es


We are running Apache 2.0.45 (SysOp W2K Server SP4), with mod_ssl and 
mod_auth_ldap. We requiere client certificates, wich are validated through a 
LDAP Server.

After several time of normal working, the following error appear several times:

...
[Thu Jul 10 11:06:18 2003] [notice] Parent: child process exited with status 
3221225477 -- Restarting.
[Thu Jul 10 11:06:19 2003] [notice] Parent: Created child process 2268
[Thu Jul 10 11:06:22 2003] [notice] Child 2268: Child process is running
[Thu Jul 10 11:06:22 2003] [notice] Child 2268: Acquired the start mutex.
[Thu Jul 10 11:06:22 2003] [notice] Child 2268: Starting 100 worker threads.
[Thu Jul 10 11:06:50 2003] [notice] Parent: child process exited with status 
3221225477 -- Restarting.
[Thu Jul 10 11:06:51 2003] [notice] Parent: Created child process 376
[Thu Jul 10 11:06:52 2003] [notice] Child 376: Child process is running
[Thu Jul 10 11:06:52 2003] [notice] Child 376: Acquired the start mutex.
[Thu Jul 10 11:06:52 2003] [notice] Child 376: Starting 100 worker threads.
...

As we are using the DEBUG version, we get the following information at the 
DrWatson log.

...
eax=00002f00 ebx=0000002f ecx=6fd1cb60 edx=00000001 esi=00000000 edi=00000000
eip=10220eb8 esp=022fbe8c ebp=022ffecc iopl=0         nv up ei pl nz na pe nc
cs=001b  ss=0023  ds=0023  es=0023  fs=0038  gs=0000             efl=00000202


función: strchr
        10220ea0 33c0             xor     eax,eax
        10220ea2 8a442408         mov     al,[esp+0x8]                 
ss:02b65d73=??
        10220ea6 53               push    ebx
        10220ea7 8bd8             mov     ebx,eax
        10220ea9 c1e008           shl     eax,0x8
        10220eac 8b542408         mov     edx,[esp+0x8]          
ss:02b65d73=????????
        10220eb0 f7c203000000     test    edx,0x3
        10220eb6 7413             jz      system+0x1db (102298cb)
ERROR -> 10220eb8 8a0a             mov     cl,[edx]                     
ds:00000001=??
        10220eba 42               inc     edx
        10220ebb 38d9             cmp     cl,bl
        10220ebd 74d1             jz      wspawnvpe+0x50 (10229390)
        10220ebf 84c9             test    cl,cl
        10220ec1 7451             jz      mbsnextc+0x44 (10230614)
        10220ec3 f7c203000000     test    edx,0x3
        10220ec9 75ed             jnz     wtol+0x8 (10221ab8)
        10220ecb 0bd8             or      ebx,eax
        10220ecd 57               push    edi
        10220ece 8bc3             mov     eax,ebx
        10220ed0 c1e310           shl     ebx,0x10

*----> Seguimiento regresivo de pila <----*

FramePtr ReturnAd Param#1  Param#2  Param#3  Param#4  Nombre función
022FFECC 6FF156C8 03C6CDB8 00000000 00660940 00000000 !strchr 
022FFEE4 6FF15F91 03C6CDB8 03B66FA8 00000003 00A10020 !ap_run_check_user_id 
022FFF10 6FF11173 03C6CDB8 FFFFFFFF 022FFF38 6FF0BAA3 !
ap_process_request_internal 
022FFF20 6FF0BAA3 03C6CDB8 00000000 00000000 03C6CDB8 !ap_die 
022FFF38 6FF04C7E 03B66FA8 00000000 00699EB8 022FFF60 !ap_get_request_note 
022FFF50 6FF04FA3 03B66FA8 FFFFFFFE 022FFF80 6FF2420E !
ap_run_process_connection 
022FFF60 6FF2420E 03B66FA8 03B66EE0 00000000 03B66FA8 !ap_process_connection 
022FFF80 1020C323 00000061 00000000 00000000 0053AF80 !
mpm_post_completion_context 
022FFFB4 793C987C 0053AF80 00000000 00000000 0053AF80 !beginthreadex 
022FFFEC 00000000 00000000 00000000 00000000 00000000 kernel32!
SetThreadExecutionState 

*----> Muestra de pilas sin procesar <----*
022fbe8c  80 af 53 00 cb 86 d0 6f - 01 00 00 00 60 cb d1 6f  ..S....o....`..o
022fbe9c  d0 b5 54 00 e0 3e 5f 00 - 73 00 5c 00 1d 71 69 00  ..T..>_.s.\..qi.
022fbeac  50 ec c6 03 01 00 00 00 - 60 8d 69 00 00 00 00 00  P.......`.i.....
022fbebc  61 00 6d 00 88 12 b6 03 - e8 72 b6 03 4d 54 41 35  a.m......r..MTA5
022fbecc  4d 6a 64 4b 54 46 39 46 - 54 45 4e 48 4f 6e 42 68  MjdKTF9FTENHOnBh
022fbedc  63 33 4e 33 62 33 4a 6b - 00 00 00 00 00 00 00 00  c3N3b3Jk........
022fbeec  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbefc  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbf0c  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbf1c  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbf2c  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbf3c  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbf4c  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbf5c  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbf6c  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbf7c  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbf8c  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbf9c  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbfac  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
022fbfbc  00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00  ................
...

I know there is a BUG similar to this one (18963), but i think it could be 
different

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