linux-kernel - Re: Panic on 8-node system in memblock_virt_alloc_try

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Message-ID: <CAE9FiQW3DrGjKHLhwBgcK076g7z-6_-0EN2HwtVBLSpKO4m6-Q@mail.gmail.com>
Date:	Fri, 24 Jan 2014 10:13:54 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Dave Hansen <dave.hansen@...el.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Grygorii Strashko <grygorii.strashko@...com>,
	Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Panic on 8-node system in memblock_virt_alloc_try_nid()

On Fri, Jan 24, 2014 at 10:09 AM, Dave Hansen <dave.hansen@...el.com> wrote:
> On 01/24/2014 09:45 AM, Yinghai Lu wrote:
>> On Fri, Jan 24, 2014 at 7:01 AM, Dave Hansen <dave.hansen@...el.com> wrote:
>>> There are two failure modes I'm seeing: one when (failing to) allocate
>>> the first node's mem_map[], and a second where it oopses accessing the
>>> numa_distance[] table.  This is the numa_distance[] one, and it happens
>>> even with the patch you suggested applied.
>>>
>>>> [    0.000000] memblock_find_in_range_node():239
>>>> [    0.000000] __memblock_find_range_top_down():150
>>>> [    0.000000] __memblock_find_range_top_down():152 i: 600000001
>>>> [    0.000000] memblock_find_in_range_node():241 ret: 2147479552
>>>> [    0.000000] memblock_reserve: [0x0000007ffff000-0x0000007ffff03f] flags 0x0 numa_set_distance+0xd2/0x252
>>
>> that address is wrong.
>>
>> Can you post whole log with current linus' tree + two patches that I
>> sent out yesterday?
>
> Here you go.  It's still spitting out memblock_reserve messages to the
> console.  I'm not sure if it's making _some_ progress or not.
>
>         https://www.sr71.net/~dave/intel/3.13/dmesg.with-2-patches
>
> But, it's certainly not booting.  Do you want to see it without
> memblock=debug?

that looks like different problem. and it can not set memory mapping properly.

can you send me .config ?

Thanks

Yinghai
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