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AuthorForum: PowerTCP Winsock for ActiveX
Topic: Bug in latest DartSock (v2.9.0.1) ?
roofrack
gary.roussak@tyrrellsystems.com

From: Leigh, United Kingdom
Posts: 23
Member Since: 06/08/06
posted August 9, 2010 6:29 AM

Hi,

I'm seeing one of my DartSock applications (a web server) fail in some unusual and inconsistent ways at a customer site. This only appears to have started happening since we upgraded to the latest version of DartSock, and the application was running fairly smoothly for many months until then.

Providing myself with evidence of this has been very difficult so far but whilst trying to debug the application this Saturday, Visual Studio (VB6.EXE) failed on me because of an application error, and the faulting module turned out to be DartSock.DLL.

Fortunately, I had DrWatson enabled so I am now in possession of a rather large log. This would obviously need to be looked at by a Dart developer and whilst I wouldn't be so inconsiderate as to post 200Kb's worth of log on this forum, I have included a smallish extract below to prove that I am not making this up !



Application exception occurred:
    App: C:\Program Files\Microsoft Visual Studio\VB98\vb6.exe (pid=3720)
    When: 8/6/2010 @ 11:36:07.128
    Exception number: c0000005 (access violation)

*----> State Dump for Thread Id 0xba8 <----*

eax=7ffdf00f ebx=00000000 ecx=00000000 edx=00000002 esi=01f60fc0 edi=0013fd04
eip=01f60fc2 esp=0013fca0 ebp=0013fcc8 iopl=0     nv up ei pl nz na pe nc
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000       efl=00000202

function: <nosymbols>
*** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\DartSock.dll -
No prior disassembly possible
    01f60fc2 f60188      test  byte ptr [ecx],0x88
    01f60fc5 008e04e93346   add   [esi+0x4633e904],cl
    01f60fcb 8e02       mov   es,[edx]
    01f60fcd 0000       add   [eax],al
    01f60fcf 00f0       add   al,dh
    01f60fd1 0ff601      psadbw mm0,qword ptr [ecx]
    01f60fd4 b422       mov   ah,0x22
    01f60fd6 8b04e9      mov   eax,[ecx+ebp*8]
    01f60fd9 23468e      and   eax,[esi-0x72]
FAULT ->01f60fc2 f60188      test  byte ptr [ecx],0x88   ds:0023:00000000=??
    01f60fc5 008e04e93346   add   [esi+0x4633e904],cl
    01f60fcb 8e02       mov   es,[edx]
    01f60fcd 0000       add   [eax],al
    01f60fcf 00f0       add   al,dh
    01f60fd1 0ff601      psadbw mm0,qword ptr [ecx]
    01f60fd4 b422       mov   ah,0x22
    01f60fd6 8b04e9      mov   eax,[ecx+ebp*8]
    01f60fd9 23468e      and   eax,[esi-0x72]
    01f60fdc 0200       add   al,[eax]
    01f60fde 0000       add   [eax],al
Jason Farrar (Admin)

From: USA
Posts: 223
Member Since: 07/24/07

Extra Support Options
Custom Application Development

posted August 17, 2010 11:05 AM

I'm sorry for the long delay in responding. Can you please send in the log to support@dart.com? We will have someone take a look at it as soon as we receive it. Any other relevant information you may have, such as which method was executing at the time of failure would also be beneficial.
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