linux-kernel - Re: Kernel panic - not syncing: Attempted to kill the idle task!

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Message-ID: <4FD6BD72.2070808@redhat.com>
Date:	Tue, 12 Jun 2012 11:54:26 +0800
From:	Zhouping Liu <zliu@...hat.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC:	Andrea Arcangeli <aarcange@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Hillf Danton <dhillf@...il.com>, hi3766691@...il.com,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Kernel panic - not syncing: Attempted to kill the idle task!

On 06/11/2012 09:27 PM, Peter Zijlstra wrote:
> On Fri, 2012-06-08 at 21:38 -0400, Zhouping Liu wrote:
>> # cat /sys/devices/system/node/node*/distance
>> 10 17 17 24 24 24 30 30
>> 18 10 30 18 18 24 24 24
>> 18 24 10 24 24 17 30 30
>> 24 18 23 10 24 17 17 30
>> 24 17 24 24 10 18 30 18
>> 31 24 17 18 18 10 24 24
>> 30 24 30 17 24 24 10 18
>> 30 24 30 24 17 24 17 10
> You have to be kidding me right? That thing is a complete trainwreck,
> what idiot vendor did this?

it's a HP's machine.
If I understand correctly, you meant the hardware has a bad configuration,
just serious :) could you explain  the reason? (you can ignore it if 
it's a stupid question)

>
> If you boot that machine again, does it have the same stupid table or
> are we staring at white-noise?

indeed, it's always the same table.

And the issues is gone in the latest Linus tree(commit b84297197ce60),
I'm not sure which patches fixed the issue.

Thanks,
Zhouping
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