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From: Hanjun Guo <hanjun.guo@linaro.org>
To: Robert Richter <robert.richter@cavium.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org, will.deacon@arm.com,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	catalin.marinas@arm.com, akpm@linux-foundation.org,
	xieyisheng1@huawei.com, james.morse@arm.com
Subject: Re: [PATCH 2/2] arm64: mm: enable CONFIG_HOLES_IN_ZONE for NUMA
Date: Fri, 16 Dec 2016 09:57:20 +0800	[thread overview]
Message-ID: <125f3064-bbec-d923-ad9f-b2d152ee2c2d@linaro.org> (raw)
In-Reply-To: <20161215153930.GA8111@rric.localdomain>

Hi Robert,

On 2016/12/15 23:39, Robert Richter wrote:
> I was going to do some measurements but my kernel crashes now with a
> page fault in efi_rtc_probe():
>
> [   21.663393] Unable to handle kernel paging request at virtual address 20251000
> [   21.663396] pgd = ffff000009090000
> [   21.663401] [20251000] *pgd=0000010ffff90003
> [   21.663402] , *pud=0000010ffff90003
> [   21.663404] , *pmd=0000000fdc030003
> [   21.663405] , *pte=00e8832000250707
>
> The sparsemem config requires the whole section to be initialized.
> Your patches do not address this.

This patch set is running properly on D05, both the boot and
LTP MM stress test are ok, seems it's a different configuration
of memory mappings in firmware, just a stupid question, which
part is related to this problem, is it only the Reserved memory?

Thanks
Hanjun

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  parent reply	other threads:[~2016-12-16  1:57 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-14  9:11 [PATCH 0/2] arm64: numa: fix spurious BUG() on NOMAP regions Ard Biesheuvel
2016-12-14  9:11 ` [PATCH 1/2] mm: don't dereference struct page fields of invalid pages Ard Biesheuvel
2017-01-04 12:16   ` Will Deacon
2016-12-14  9:11 ` [PATCH 2/2] arm64: mm: enable CONFIG_HOLES_IN_ZONE for NUMA Ard Biesheuvel
2016-12-15 15:39   ` Robert Richter
2016-12-15 16:07     ` Ard Biesheuvel
2016-12-16 17:10       ` Robert Richter
2016-12-16  1:57     ` Hanjun Guo [this message]
2016-12-16 17:14       ` Robert Richter
2017-01-04 13:28   ` Will Deacon
2017-01-04 13:50     ` Ard Biesheuvel
2017-01-04 14:02       ` Will Deacon
2017-01-05 11:24         ` Robert Richter
2017-01-05 12:08           ` Will Deacon
2017-01-05 12:22             ` Robert Richter
2017-01-05 19:49               ` Robert Richter
2017-01-06 12:03                 ` Will Deacon
2017-01-06 12:22                   ` Ard Biesheuvel
2017-02-06 13:36   ` Robert Richter

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