Debug Assertion Violation Expression: 'm_pHackPInvokeTunnel != NULL'

[imkow]

this pops up when running from compiled exe which is compiled from generated CPP
File: {corert}\src\Native\Runtime\thread.cpp

[MichalStrehovsky]

@imkow Do you have a stack trace?

[imkow]

didn't notice there is stack trace? how can I get stack trace out?

[MichalStrehovsky]

didn't notice there is stack trace? how can I get stack trace out?

Run the compiled app under a debugger and let the debugger generate the stack. (E.g. open the native EXE as a solution in Visual Studio and hit F5.)

[imkow]

@MichalStrehovsky
here you go:

reproNativeCpp.exe!Assert(const char * expr, const char * file, unsigned int line_num, const char * message) Line 50 C++
reproNativeCpp.exe!Thread::GetTransitionFrame() Line 52 C++
reproNativeCpp.exe!Thread::GcScanRoots(void * pfnEnumCallback, void * pvCallbackData) Line 403 C++
reproNativeCpp.exe!GCToEEInterface::GcScanRoots(void(*)(Object * *, ScanContext , unsigned int) fn, int condemned, int max_gen, ScanContext * sc) Line 79 C++
reproNativeCpp.exe!GCScan::GcScanRoots(void()(Object * *, ScanContext *, unsigned int) fn, int condemned, int max_gen, ScanContext * sc) Line 171 C++
reproNativeCpp.exe!WKS::gc_heap::mark_phase(int condemned_gen_number, unsigned int mark_only_p) Line 19494 C++
reproNativeCpp.exe!WKS::gc_heap::gc1() Line 15252 C++
reproNativeCpp.exe!WKS::gc_heap::garbage_collect(int n) Line 16754 C++
reproNativeCpp.exe!WKS::GCHeap::GarbageCollectGeneration(unsigned int gen, gc_reason reason) Line 35116 C++
reproNativeCpp.exe!WKS::gc_heap::try_allocate_more_space(alloc_context * acontext, unsigned __int64 size, int gen_number) Line 13063 C++
reproNativeCpp.exe!WKS::gc_heap::allocate_more_space(alloc_context * acontext, unsigned __int64 size, int alloc_generation_number) Line 13350 C++
reproNativeCpp.exe!WKS::gc_heap::allocate(unsigned __int64 jsize, alloc_context * acontext) Line 13381 C++
reproNativeCpp.exe!WKS::GCHeap::Alloc(gc_alloc_context * context, unsigned __int64 size, unsigned int flags) Line 34436 C++
reproNativeCpp.exe!RhpGcAlloc(EEType * pEEType, unsigned int uFlags, unsigned __int64 cbSize, void * pTransitionFrame) Line 272 C++
reproNativeCpp.exe!RhpNewArray(EEType * pArrayEEType, int numElements) Line 160 C++
reproNativeCpp.exe!System_Private_CoreLib::System::Runtime::InternalCalls::RhpNewArray(System_Private_CoreLib::Internal::Runtime::EEType * pEEType, int length) Line 268957 C++
reproNativeCpp.exe!System_Private_CoreLib::System::Runtime::RuntimeExports::RhNewArray(System_Private_CoreLib::System::EETypePtr pEEType, int length) Line 261972 C++
reproNativeCpp.exe!RhNewArray(System_Private_CoreLib::System::EETypePtr pEEType, int length) Line 261988 C++
reproNativeCpp.exe!_load_string_literal(const char * string) Line 176 C++
reproNativeCpp.exe!System_Private_CoreLib::System::Runtime::TypeCast::IsInstanceOfClass(System_Private_CoreLib::System::Object * obj, void * pvTargetType) Line 263267 C++
reproNativeCpp.exe!System_Private_CoreLib::System::Runtime::TypeCast::IsInstanceOf(System_Private_CoreLib::System::Object * obj, void * pvTargetType) Line 264927 C++
reproNativeCpp.exe!RhTypeCast_IsInstanceOf(System_Private_CoreLib::System::Object * obj, void * pvTargetType) Line 264943 C++
reproNativeCpp.exe!isinst(void * obj, MethodTable * pTargetMT) Line 103 C++
reproNativeCpp.exe!System_Private_CoreLib::System::Int32::Equals(int * this, System_Private_CoreLib::System::Object * obj) Line 455241 C++
reproNativeCpp.exe!System_Private_CoreLib::System::Collections::Generic::DefaultEqualityComparer_1_A__System_Private_CoreLib_System_Int32_V::Equals_A__V(System_Private_CoreLib::System::Collections::Generic::DefaultEqualityComparer_1_A__System_Private_CoreLib_System_Int32_V * this, int x, int y) Line 583864 C++
reproNativeCpp.exe!System_Private_CoreLib::System::Array::IndexOf_4_A__System_Private_CoreLib_System_Int32_V(System_Private_CoreLib::System::Int32___A_Array_V * array, int value, int startIndex, int count) Line 400738 C++
reproNativeCpp.exe!System_Private_CoreLib::System::Collections::Generic::List_1_A__System_Private_CoreLib_System_Int32_V::IndexOf_1_A__V(System_Private_CoreLib::System::Collections::Generic::List_1_A__System_Private_CoreLib_System_Int32_V * this, int item, int index, int count) Line 346524 C++
reproNativeCpp.exe!repro::XXXServer::Game::GameUtils::ClearPai(System_Private_CoreLib::System::Collections::Generic::List_1_A__System_Private_CoreLib_System_Int32_V * allPai, int lIndex, int lCount, int rIndex, int rCount) Line 341743 C++
reproNativeCpp.exe!repro::XXXServer::Game::GameUtils::IsHupai(System_Private_CoreLib::System::Collections::Generic::List_1_A__System_Private_CoreLib_System_Int32_V * allPai, int jingValue) Line 298893 C++
reproNativeCpp.exe!repro::Program::Benchmark() Line 295967 C++
reproNativeCpp.exe!repro::Program::Main(System_Private_CoreLib::System::String___A_Array_V * args) Line 273767 C++
reproNativeCpp.exe!repro::Module::MainMethodWrapper(System_Private_CoreLib::System::String___A_Array_V * _a0) Line 272421 C++
reproNativeCpp.exe!repro::Module::StartupCodeMain(int _a0, __int64 _a1) Line 260036 C++
reproNativeCpp.exe!__managed__Main(int _a0, __int64 _a1) Line 260043 C++
reproNativeCpp.exe!wmain(int argc, wchar_t * * argv) Line 319 C++
[External Code]

[MichalStrehovsky]

Ah, okay - the code is taking a GC. CppCodegen-generated code currently can't survive a GC (we track this in #2033).

You could work around this by setting a higher Gen0 budget (the issue I'm linking to points to the code where you can do that), but eventually you'll hit limits.

I'm going to close this as a duplicate.

[imkow]

@MichalStrehovsky how to set a higher Gen0 budget? in C# or generated C++?

[MichalStrehovsky]

From #2033:

Remove artificially high GC budget for CppCodeGen and make conservative GC stack scanning work.

Edit gcenv.h the link is pointing to and rebuild the repo. GetGCgen0size is currently 100 MB.

[imkow]

@MichalStrehovsky use the class EEConfig?

[imkow]

haha, almost simultaneously, I found the trick

[imkow]

@MichalStrehovsky just tried with code like this: g_pConfig->SetGCgen0size(1000 * 1024 * 1024);
still the problem

[MichalStrehovsky]

You'll need to step through the GC setup in the debugger (step through the places that use the value).

The GC will ignore Gen0 sizes once it crosses a threshold that the GC can no longer tolerate (I don't know the places, but I've seen them a year ago when I was playing with this).

The code might also just be allocating too much. There's not much complex managed code that can run without a GC.

[imkow]

I had even tried 10000 * 1024 * 1024, same problem

[MichalStrehovsky]

Try 200 * 1024 * 1024. Really, you'll need to step through this. There's code like

    // Generation 0 must never be more than 1/2 the segment size.
    if (gen0size >= (seg_size / 2))
        gen0size = seg_size / 2;

That kicks in in gc.cpp.