Messages in this thread | | | Date | Thu, 6 Oct 2016 11:15:22 +0200 | From | Robert Richter <> | Subject | Re: [PATCH] arm64, numa: Add cpu_to_node() implementation. |
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On 27.09.16 14:26:08, Hanjun Guo wrote: > On 09/20/2016 09:21 PM, Robert Richter wrote: > >On 20.09.16 19:32:34, Hanjun Guo wrote: > >>On 09/20/2016 06:43 PM, Robert Richter wrote: > > > >>>Unfortunately either your nor my code does fix the BUG_ON() I see with > >>>the numa kernel: > >>> > >>> kernel BUG at mm/page_alloc.c:1848! > >>> > >>>See below for the core dump. It looks like this happens due to moving > >>>a mem block where first and last page are mapped to different numa > >>>nodes, thus, triggering the BUG_ON(). > >> > >>Didn't triggered it on our NUMA hardware, could you provide your > >>config then we can have a try? > > > >Config attached. Other configs with an initrd fail too. > > hmm, we can't reproduce it on our hardware, do we need > to run some specific stress test on it?
No, it depends on the efi memory zones marked reserved. See my other thread on this where I have attached mem ranges from the log. I have a fix available already.
Thanks,
-Robert
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