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

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Message-ID: <52E2AC5A.3000005@intel.com>
Date:	Fri, 24 Jan 2014 10:09:30 -0800
From:	Dave Hansen <dave.hansen@...el.com>
To:	Yinghai Lu <yinghai@...nel.org>
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 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?
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