MIME-Version: 1.0
In-Reply-To: <52E2AEA3.2020907@intel.com>
References: <52E19C7D.7050603@intel.com>
	<CAE9FiQX9kTxnaqpWNgg3dUzr7+60YCrEx3q3xxO-G1n6z64xVQ@mail.gmail.com>
	<52E28067.1060507@intel.com>
	<CAE9FiQVy+8CF5qwnyL8YGzqwKOJF+y7N_+reAXWw7p8-BaVQPg@mail.gmail.com>
	<52E2AC5A.3000005@intel.com>
	<CAE9FiQW3DrGjKHLhwBgcK076g7z-6_-0EN2HwtVBLSpKO4m6-Q@mail.gmail.com>
	<52E2AEA3.2020907@intel.com>
Date: Fri, 24 Jan 2014 10:24:26 -0800
Message-ID: <CAE9FiQU795SWFfnQU=0STbQconSraac8heCNnkMpynY6fbi-4w@mail.gmail.com>
Subject: Re: Panic on 8-node system in memblock_virt_alloc_try_nid()
From: Yinghai Lu <yinghai@kernel.org>
To: Dave Hansen <dave.hansen@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>,
        Grygorii Strashko <grygorii.strashko@ti.com>,
        Linux-MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>,
        Santosh Shilimkar <santosh.shilimkar@ti.com>,
        Tejun Heo <tj@kernel.org>, Andrew Morton <akpm@linux-foundation.org>
Content-Type: text/plain; charset=ISO-8859-1
Sender: linux-kernel-owner@vger.kernel.org

On Fri, Jan 24, 2014 at 10:19 AM, Dave Hansen <dave.hansen@intel.com> wrote:
> On 01/24/2014 10:13 AM, Yinghai Lu wrote:
>> On Fri, Jan 24, 2014 at 10:09 AM, Dave Hansen <dave.hansen@intel.com> wrote:
>>> On 01/24/2014 09:45 AM, Yinghai Lu wrote:
>>> 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 ?
>
> Here you go.
>
> FWIW, I did turn of memblock=debug.  It eventually booted, but
> slooooooooooowly.

then that is not a problem, as you are using 4k page mapping only.
and that printout is too spew...

>
> How many problems in this code are we tracking, btw?  This is at least
> 3, right?

two problems:
1. big numa system.
2. Andrew's system with swiotlb.

The two patches should address them.

Thanks

Yinghai
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/