From: rric@kernel.org (Robert Richter)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64, numa: Add cpu_to_node() implementation.
Date: Thu, 6 Oct 2016 11:15:22 +0200 [thread overview]
Message-ID: <20161006091522.GJ1535@rric.localdomain> (raw)
In-Reply-To: <57EA1100.2080900@linaro.org>
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
next prev parent reply other threads:[~2016-10-06 9:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-19 18:49 [PATCH] arm64, numa: Add cpu_to_node() implementation David Daney
2016-09-20 4:45 ` Ganapatrao Kulkarni
2016-09-20 9:56 ` Yisheng Xie
2016-09-20 10:05 ` Hanjun Guo
2016-09-20 10:43 ` Robert Richter
2016-09-20 11:09 ` Mark Rutland
2016-09-20 11:32 ` Hanjun Guo
2016-09-20 13:21 ` Robert Richter
2016-09-27 6:26 ` Hanjun Guo
2016-10-06 9:15 ` Robert Richter [this message]
2016-09-20 13:38 ` Robert Richter
2016-09-20 14:12 ` Hanjun Guo
2016-09-21 16:42 ` Jon Masters
2016-09-20 17:53 ` David Daney
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