On Tue, Jan 29, 2013 at 2:21 PM, Andrey Korolyov <andrey@xxxxxxx> wrote: > On Mon, Jan 28, 2013 at 8:55 PM, Andrey Korolyov <andrey@xxxxxxx> wrote: >> On Mon, Jan 28, 2013 at 5:48 PM, Sam Lang <sam.lang@xxxxxxxxxxx> wrote: >>> On Sun, Jan 27, 2013 at 2:52 PM, Andrey Korolyov <andrey@xxxxxxx> wrote: >>> >>>> Ahem. once on almost empty node same trace produced by qemu >>>> process(which was actually pinned to the specific numa node), so seems >>>> that`s generally is a some scheduler/mm bug, not directly related to >>>> the osd processes. In other words, the less percentage of memory >>>> actually is an RSS, the more is a probability of such allocation >>>> failure. >>> >>> This might be a known bug in xen for your kernel? The xen users list >>> might be able to help. >>> -sam >> >> It is vanilla-3.4, I really wonder from where comes paravirt bits in the trace. > > Bug exposed only in 3.4 and really harmless, at least in ways I have > tested that. Ceph-osd memory allocation behavior more likely to > trigger those messages than most other applications in ``same'' > conditions. Good to know. Thanks! -sam -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html