https://community.intel.com/t5/Software-Archive/Parallel-Studio-Crashes-after-Profiling/m-p/745405#M1942 Initially my application was not multithreaded, using parallel studio we found the hotspots and threaded few modules. After parllelizing the O/P is fine but when we profile again we find the parallel studio lists the hotspots and immediately crashes throwing the following error<BR /><BR />[Exception]<BR />Address: 0x7C90EDDC<BR />Code: 0xc00000fd<BR />Description: EXCEPTION_STACK_OVERFLOW<BR />Module: ntdll.dll <BR /><BR />Find the attached file for the dump.<BR /><BR />This happens in few configurations only. The part of module that was threaded was low level functions which is invoked nearly 10,000 times (depending upon the configuration). <BR /><BR />Every time the function is called, Threads are invoked using QueueUserWorkItem() that are finally suspended on a events using WaitForMultipleObjects() . <BR /><BR />We get the correct O/P and expected performance too but profiling leads to a crash.<BR /><BR />Can any one give some suggestions for the issue.<BR /><BR />Regards<BR />Venkat<BR /> Wed, 10 Nov 2010 10:31:05 GMT Venkatachalam_Vr 2010-11-10T10:31:05Z https://community.intel.com/t5/Software-Archive/Parallel-Studio-Crashes-after-Profiling/m-p/745405#M1942 Initially my application was not multithreaded, using parallel studio we found the hotspots and threaded few modules. After parllelizing the O/P is fine but when we profile again we find the parallel studio lists the hotspots and immediately crashes throwing the following error<BR /><BR />[Exception]<BR />Address: 0x7C90EDDC<BR />Code: 0xc00000fd<BR />Description: EXCEPTION_STACK_OVERFLOW<BR />Module: ntdll.dll <BR /><BR />Find the attached file for the dump.<BR /><BR />This happens in few configurations only. The part of module that was threaded was low level functions which is invoked nearly 10,000 times (depending upon the configuration). <BR /><BR />Every time the function is called, Threads are invoked using QueueUserWorkItem() that are finally suspended on a events using WaitForMultipleObjects() . <BR /><BR />We get the correct O/P and expected performance too but profiling leads to a crash.<BR /><BR />Can any one give some suggestions for the issue.<BR /><BR />Regards<BR />Venkat<BR /> Wed, 10 Nov 2010 10:31:05 GMT https://community.intel.com/t5/Software-Archive/Parallel-Studio-Crashes-after-Profiling/m-p/745405#M1942 Venkatachalam_Vr 2010-11-10T10:31:05Z https://community.intel.com/t5/Software-Archive/Parallel-Studio-Crashes-after-Profiling/m-p/745406#M1943 Would that be possible to send a test case that we can use to reproduce the crash?<BR /><BR />Thanks,<BR />--mark Fri, 12 Nov 2010 20:13:39 GMT https://community.intel.com/t5/Software-Archive/Parallel-Studio-Crashes-after-Profiling/m-p/745406#M1943 Mark_S_Intel1 2010-11-12T20:13:39Z