> > Looks like the first access to the memory map fails, although I think > it's not in INIT_LIST_HEAD() but rather in init_page_count(). > > I'd start with making sure that page_alloc::memmap_alloc() actually returns > accepted memory. If you build kernel with CONFIG_DEBUG_VM=y the memory map > will poisoned in this function, so my guess is it'd crash there. > That's a wonderful hint, thank you! I did not run this test CONFIG_DEBUG_VM set, but you think it's possible it could still be here? > -- > Sincerely yours, > Mike. -- -Dionna Glaze, PhD (she/her)