We have an AddInProcess32.exe hosting Workflow Runtime (.Net 3.51 SP1) and the program is targeted to run on a Windows 2008 server (SP2). During the stress testing, some 30-60 workflows
were be executed by the program repeatedly for a few days. Everything looked fine except at one time
AddInProcess32.exe crashed with information at Windows Log
Faulting application AddInProcess32.exe, version 3.5.30729.1, time stamp 0x488ef947, faulting module mscorwks.dll, version 2.0.50727.4206, time stamp 0x4bf4c6a7, exception code 0xc0000005,
fault offset 0x00024414, process id 0x%9, application start time 0x%10.
.NET Runtime version 2.0.50727.4206 - Fatal Execution Engine Error (73227B6E) (80131506)
We don't have any COM interop or PInvoke. Also, the failed workflow type has been executed successfully more than one thousand times except the one crashed above.
With WinDBG and the crashed dump file, we managed to get the calling sta
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