Messages in this thread | | | Date | Fri, 24 Mar 2006 18:53:31 -0800 | From | Andrew Morton <> | Subject | Re: 2.6.16 hugetlbfs problem - DEBUG_PAGEALLOC |
| |
"Chen, Kenneth W" <kenneth.w.chen@intel.com> wrote: > > Mark Rustad wrote on Friday, March 24, 2006 9:52 AM > > I have narrowed this down to DEBUG_PAGEALLOC. If that option is > > enabled, attempts to reference areas mmap-ed from hugetlbfs files > > fault forever. You can see that I had that set in the failing config > > I reported below. > > Yeah, it turns out that the debug option is not compatible with hugetlb > page support. That debug option turns off PSE. Once it is turned off in > CR4, cpu will ignore pse bit in the pmd and causing infinite page-not- > present fault :-(
I wonder if any of the other architectures which implement both these features might have problems too.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |