How to load missing system symbol files in Visual Studio

Mason_Wheeler_32914 0
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I'm trying to trace into some .NET 5 code. Following recommendations found elsewhere, I've enabled the "Enable .NET Framework Source Stepping" and "Enable Source Server Support" options, I've checked the Microsoft Symbol Server checkbox as a symbol source.

Upon running the program, symbols load for many, but not all of the assemblies. Among others, I don't get any symbols for System.Data.Common, which I currently have a need to trace into.

Does anyone know why I'm missing symbols for about half the system assemblies and how to gain access to them?

.net-5 visual-studio debugging .net
1 Answers

I made a test with a dummy project and it seems that some assemblies PDBs stored in the MS Symbols server doesn't match image.

You can double check by reading log of the PDB loading phase. It's quite simple.

Open Debug Modules Windows and find your assembly. Than

enter image description here

In my test I got

enter image description here

Maybe an issue in .NET Core building process? It seems that the PDB file is not related to the dll file...

It worth an issue on .NET Core project.

user_65398800
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