linux-kernel - Re: [BUG] Lockless patches cause hardlock under heavy IO

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Date:	Thu, 19 Jun 2008 10:45:43 -0400
From:	"Ryan Hope" <rmh3093@...il.com>
To:	"Arjan van de Ven" <arjan@...radead.org>
Cc:	linux-mm@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [BUG] Lockless patches cause hardlock under heavy IO

Well enabling these debug options is sorta useless because once it
hardlocks I cant see or do anything..

On Wed, Jun 18, 2008 at 5:28 PM, Arjan van de Ven <arjan@...radead.org> wrote:
> On Wed, 18 Jun 2008 17:15:08 -0400
> "Ryan Hope" <rmh3093@...il.com> wrote:
>
>> I applied the following patches from 2.6-26-rc5-mm3
>
>>
>> I am on an x86_64. I dont know what other info you need...
>>
>
> if it's locking related, enabling LOCKDEP is a first good test to do.
>
> CONFIG_PROVE_LOCKING=y
> as well as the various spinlock/mutex lock debug questions
>
>
>
> --
> If you want to reach me at my work email, use arjan@...ux.intel.com
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