1 files changed, 5 insertions, 0 deletions
diff --git a/Source/main.cpp b/Source/main.cpp
index ee0db6960..4bbdce2da 100644
--- a/Source/main.cpp
+++ b/Source/main.cpp
@@ -34,6 +34,11 @@ int main(int argc, char* argv[])
 
     amrex::Initialize(argc,argv);
 
+    // in Debug mode, we need a larger stack limit than usual bc of the parser.
+#if defined(AMREX_USE_CUDA) && defined(AMREX_DEBUG)
+    AMREX_CUDA_SAFE_CALL(cudaDeviceSetLimit(cudaLimitStackSize, 20*1024));
+#endif
+
     ConvertLabParamsToBoost();
 
     CheckGriddingForRZSpectral();