On Mon, Mar 25, 2024 at 12:17:28PM +0000, Joao Martins wrote: > > However, I am not smart enough to figure out why ... > > > > Apparently, from the source, mmap() fails to allocate pages on the desired address: > > > > 1746 assert((uintptr_t)self->buffer % HUGEPAGE_SIZE == 0); > > 1747 vrc = mmap(self->buffer, variant->buffer_size, PROT_READ | > > PROT_WRITE, > > 1748 mmap_flags, -1, 0); > > → 1749 assert(vrc == self->buffer); > > 1750 > > > > But I am not that deep into the source to figure our what was intended and what > > went > > wrong :-/ > > I can SKIP() the test rather assert() in here if it helps. Though there are > other tests that fail if no hugetlb pages are reserved. > > But I am not sure if this is problem here as the initial bug email had an > enterily different set of failures? Maybe all you need is an assert() and it > gets into this state? I feel like there is something wrong with the kselftest framework, there should be some way to fail the setup/teardown operations without triggering an infinite loop :( Jason