Recently i received the error log below in my windows Server 2012.
Some consequences like web site down happens and a 503 error are launching in the browser.
I caught up on updates in OS and i have searching for this problems, that let me to do some options like:
I'm not an expert in Windows Server but would like to understand the situation and receive more comments.
APPLICATION LOG
Log Name: Application Source: Application Error EventId: 1000
Faulting application name: w3wp.exe, version: 8.0.9200.16384, time stamp: 0x50108835
Faulting module name: clr.dll, version: 4.0.30319.18449, time stamp: 0x528fdca2 Exception code: 0xc00000fd
Fault offset: 0x000000000010c0c5
Faulting process id: 0x474
Faulting application start time: 0x01d05204681c00ea
Faulting application path: c:\windows\system32\inetsrv\w3wp.exe
Faulting module path: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll
Report Id: 49a3bf22-bdf8-11e4-944f-22000afcadb1
Faulting package full name:
Faulting package-relative application ID:
SYSTEM LOG
WAS
Application pool 'v3.xxxxx.com.br' is being automatically disabled due to a series of failures in the process(es) serving that application pool.
A process serving application pool 'v3.xxxxx.com.br' suffered a fatal communication error with the Windows Process Activation Service. The process id was '4492'. The data field contains the error number.
To help you analyze them, you can install Microsoft's debugging app WinDbg from the Microsoft Store. This helps you analyze the memory dump files and locate the stop code information. You can also use older tools like NirSoft BlueScreenView to quickly analyze the dump files created on your PC.
A dump file is a snapshot that shows the process that was executing and modules that were loaded for an app at a point in time. A dump with heap information also includes a snapshot of the app's memory at that point.
DebugDiag is designed to assist in troubleshooting issues such as hangs, slow performance, memory leaks or fragmentation, and crashes in any Win32 user-mode process running under Windows 2003 and Windows XP.
I solved my problem in 5 steps:
1) I installed a software to get a crash dump. In this case i downloaded the DebugDiag Tools.
2) I configured the DebugDiag Tool following these instructions in this post . I didn't need to install WindDbg and Symbols.
After the installation it was configured in this way:
- Selecting a Crash rule
- Selecting a IIS App pool (w3wp.exe)
- Selecting the app pool of my application
- Configuring a Stack over flow exception (0xc00000fd) in Advanced Settings/Exceptions and finishing the setup.
3) I waited for a first crash dump to be created in a folder location. Ex: C:\DebugDiag\Logs When the crash dump was created, i used the DebugDiag Analysis to open the file from C:\DebugDiag\Logs and a HTML report has been created.
4) In report was easy to see the problem. In my case, there was a recursive function without stop conditional. It was crashing the w3wp process.
5) Our team fixed the bug and solved the problem
What you have tried is less relevant.
0xc00000fd
means stack overflow. Thus, you need to review your code to see if it was caused by yours. If you were able to get a crash dump, that can provide more information about why it crashes.
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