Re: Panic on 8-node system in memblock_virt_alloc_try_nid()

From: Yinghai Lu
Date: Fri Jan 24 2014 - 13:24:32 EST


On Fri, Jan 24, 2014 at 10:19 AM, Dave Hansen <dave.hansen@xxxxxxxxx> wrote:
> On 01/24/2014 10:13 AM, Yinghai Lu wrote:
>> On Fri, Jan 24, 2014 at 10:09 AM, Dave Hansen <dave.hansen@xxxxxxxxx> 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
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