4f41bc7c_mpWriteDump__MiniDumpCallback___Description
[Flag] ModuleWriteTlsData [Description] 
This flag is probably supposed to control whether the module’s TLS data (allocated via __declspec(thread)) should be included into the minidump. But at the time of this writing I could not make it work.
DebugInfo.com - Effective minidumps (Part 2) (MiniDumpWriteDump, MiniDumpCallback)
Description