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From André Warnier ...@ice-sa.com>
Subject Re: w3wp randomly crashes when redirector is used
Date Wed, 03 Feb 2010 20:44:01 GMT
Hmmm. Are you sure that you are posting to the right list here ?

Steve Ryan wrote:
> Hello
> 
>  
> 
> I really hope someone can help me with this. I have been trying to figure it
> out for days and I am beginning to go mad!
> 
>  
> 
> The issue I am having appears to be very similar to
> https://issues.apache.org/bugzilla/show_bug.cgi?id=45063. It might even be
> the same issue.
> 
>  
> 
> Note I can recreate the problem on various flavours of Windows, and in IIS 6
> & IIS 7. 
> 
>  
> 
> Details of the issue:
> 
>  
> 
> I have a web application which lives under the "Default Web Site" in IIS 6,
> and which has its own app pool. The redirector (isapi_redirect.dll 1.2.28)
> lives under the DefaultAppPool. 
> 
>  
> 
> The user would log into our web application (which uses our app pool) and
> everything works as expected. If he then uses functionality which uses the
> redirector (and the DefaultAppPool), w3wp.exe will probably crash. (I say
> "probably" because sometimes it works without error).
> 
>  
> 
> Note everything works fine (i.e. there is no crash) if I run the
> DefaultAppPool as "Local System"; the problem only seems to exist if I run
> the DefaultAppPool as "Local Service" or "Network Service". 
> 
>  
> 
> Details of the crash:
> 
>  
> 
> In the Event Viewer I can see the following -
> 
>  
> 
> Faulting application w3wp.exe, version 6.0.3790.3959, faulting module
> ntdll.dll, version 5.2.3790.4455, fault address 0x0004f053.
> 
>  
> 
> And if I catch the crash using Debug Diagnostic Tool -
> 
>  
> 
> Thread 5 - System ID 6140
> 
> Entry point   w3tp!THREAD_MANAGER::ThreadManagerThread 
> 
> Create time   01/02/2010 13:13:26 
> 
> Time spent in user mode   0 Days 0:0:0.0 
> 
> Time spent in kernel mode   0 Days 0:0:0.15 
> 
>  
> 
> Function     Arg 1     Arg 2     Arg 3   Source 
> 
> ntdll!RtlpWaitOnCriticalSection+c5     00000000     00000000     4b66d376
> 
> 
> ntdll!RtlEnterCriticalSection+152     6a6ee4e8     6a6b9ae6     00000000    
> 
> isapi_redirect!TerminateFilter+c24b     00000000     00000000     76bbcc54
> 
> 
> isapi_redirect+9ae6     01459180     4b66d376     00000000    
> 
> isapi_redirect!TerminateFilter+21435     00000000     10000000     01b6dd18
> 
> 
> isapi_redirect!HttpExtensionProc+29c     00000000     732448ee     73243b7a
> 
> 
> iisutil!STRU::STRU+c     73243b7a     0157e69c     7327a93f    
> 
> nativerd!CONFIG_ELEMENT::ReferenceConfigElement+f     000cf7f0     00000000
> 7327a970    
> 
> nativerd!CONFIG_ELEMENT_LIST::GetMergedElement+483     73243e08     0157eaa8
> 00000000    
> 
> 0x0157e68c     00000000     00000000     00000000    
> 
>  
> 
>  
> 
> NTDLL!RTLPWAITONCRITICALSECTION+C5In
> w3wp__PID__5276__Date__02_01_2010__Time_01_13_27PM__226__Second_Chance_Excep
> tion_C0000005.dmp the assembly instruction at
> ntdll!RtlpWaitOnCriticalSection+c5 in C:\Windows\System32\ntdll.dll from
> Microsoft Corporation has caused an access violation exception (0xC0000005)
> when trying to write to memory location 0x00000014 on thread 5
> 
>  
> 
> Module Information 
> 
> Image Name: C:\Windows\System32\ntdll.dll   
> 
> Base address: 0x76fc0000   
> 
> Checksum: 0x00135d86   
> 
> COM DLL: False   
> 
> ISAPIExtension: False   
> 
> ISAPIFilter: False   
> 
> Managed DLL: False   
> 
> VB DLL: False   
> 
> Loaded Image Name:  ntdll.dll   
> 
> Mapped Image Name:     
> 
> Module name:  ntdll   
> 
> Single Threaded:  False   
> 
> Module Size:  1.15 MBytes   
> 
> Symbol File Name:
> c:\symcache\ntdll.pdb\B958B2F91A5A46B889DAFAB4D140CF252\ntdll.pdb   
> 
> Symbol Type:  PDB 
> 
> Time Stamp:  Sat Jan 19 07:32:54 2008  
> 
> Comments:   
> 
> Company Name:  Microsoft Corporation 
> 
> File Description:  NT Layer DLL 
> 
> File Version:  6.0.6001.18000 (longhorn_rtm.080118-1840) 
> 
> Internal Name:  ntdll.dll 
> 
> Legal Copyright:  C Microsoft Corporation. All rights reserved. 
> 
> Legal Trademarks:   
> 
> Original filename:  ntdll.dll 
> 
> Private Build:   
> 
> Product Name:  MicrosoftR WindowsR Operating System 
> 
> Product Version:  6.0.6001.18000 
> 
> Special Build:  & 
> 
>  
> 
> There is nothing obvious in Process Monitor which explains what is causing
> the error.
> 
>  
> 
> Do any of you have any ideas what could be causing this? Any advice would be
> greatly appreciated.
> 
>  
> 
> Cheers
> 
>  
> 
> Steve
> 
> 


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