Issues with debugging GC-related crashes #2

[Matthias Klumpp]

On Monday, 16 April 2018 at 16:36:48 UTC, Matthias Klumpp wrote:
> [...]
> The code uses std.typecons.scoped occasionally, does no GC 
> allocations in destructors and does nothing to mess with the GC 
> in general. There are a few calls to GC.add/removeRoot in the 
> gir-to-d generated code (ObjectG.d), but those are very 
> unlikely to cause issues (removing them did yield the same 
> crash, and the same code is used by more projects).
> [...]

Another thing to mention is that the software uses LMDB[1] and 
mmaps huge amounts of data into memory (gigabyte range).
Not sure if that information is relevant at all though.

[1]: https://symas.com/lmdb/technical/