On Sun, 31 Jul 2016, David Miller wrote: > From: Mikulas Patocka <mpatocka@xxxxxxxxxx> > > > I've seen a message "BUG: non-zero nr_ptes on freeing mm: 1" twice on > > sparc64, once on 4.4.13 and once on 4.4.16. I don't know how to reproduce > > it. Do you have an idea what could be causing this bug? > > People have been reporting this off and on for years, and sorry we don't > know what's causing it yet. I think it's caused by transparent hugepages. These errors (as well as other memory management related crashes) went away when I disabled thp. Mikulas -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html