On 7. Feb 2025, at 11:41, Pip Cet <pipcet@protonmail.com> wrote:
> 
> I have a patch, but I'd like to discuss whether this is a plausible
> theory first.  Gerd, if there's something that prevents this problem
> from happening, and I missed it, could you briefly yell at me here?

Good catch!

I think he idea I had with the igc_on_... is mistaken, one must not free the memory of a root while the MPS is not parked.