linux-kernel - Re: Different behaviour when using "nosmp" parameter on SMP and UP

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Message-Id: <40F38A2B-48A0-4A8C-B45D-579865F135CC@kernel.crashing.org>
Date:	Thu, 1 Dec 2011 13:35:12 -0600
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Jean-Michel Hautbois <jhautbois@...il.com>
Cc:	Tabi Timur-B04825 <B04825@...escale.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linuxppc-dev <linuxppc-dev@...abs.org>
Subject: Re: Different behaviour when using "nosmp" parameter on SMP and UP


On Dec 1, 2011, at 11:52 AM, Jean-Michel Hautbois wrote:

> 2011/12/1 Jean-Michel Hautbois <jhautbois@...il.com>:
>> 2011/12/1 Tabi Timur-B04825 <B04825@...escale.com>:
>>> On Thu, Dec 1, 2011 at 9:04 AM, Jean-Michel Hautbois
>>> <jhautbois@...il.com> wrote:
>>>> 
>>>> Any idea on how to debug this ? I am using a 2.6.35 kernel.
>>> 
>>> There are a ton of Kconfig options for debugging various locking bugs.
>>>  Try turning them on.
>>> 
> 
> All Kconfig options do not help me with cache coherency problems, though.
> Or, I didn't find any option related.
> Any idea ?
> 
> JM

Nope, if you can't describe the code in any more detail we can't help.

- k
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