[fdsfsafasfdas]

Disabling exceptions has solved this. There are no need for exceptions in the kernel, and the cost is high.

[concede_pluto]

Isn't table-driven stack unwinding cheaper than having a bunch of functions each check an error code and return to their caller?

[monocasa]

The practicalities of bare metal programming means that a lot of the time an individual work item has to jump contexts (ie. stacks and register sets) in a way that doesn't map cleanly to C++ style exceptions.