From: Andrew Morton <akpm@osdl.org>
To: Daniel McNeil <daniel@osdl.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-aio@kvack.org
Subject: Re: 2.6.2-mm1 aka "Geriatric Wombat" DIO read race still fails
Date: Thu, 5 Feb 2004 16:07:55 -0800 [thread overview]
Message-ID: <20040205160755.25583627.akpm@osdl.org> (raw)
In-Reply-To: <1076023899.7182.97.camel@ibm-c.pdx.osdl.net>
Daniel McNeil <daniel@osdl.org> wrote:
>
> Andrew,
>
> I tested 2.6.2-mm1 on an 8-proc running 6 copies of the read_under
> test and all 6 read_under tests saw uninitialized data in less than 5
> minutes. :(
The performance implications of synchronising behind kjournald writes for
normal non-blocking writeback are bad. Can you detail what you now think
is the failure mechanism?
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next prev parent reply other threads:[~2004-02-06 0:07 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-05 9:44 2.6.2-mm1 aka "Geriatric Wombat" Andrew Morton
2004-02-05 9:52 ` [PATCH] via crypto beginnings Jeff Garzik
2004-02-05 10:11 ` Andrew Morton
2004-02-05 9:55 ` 2.6.2-mm1 aka "Geriatric Wombat" Nikita Danilov
2004-02-05 10:00 ` Russell King
2004-02-05 10:37 ` Jeff Garzik
2004-02-05 10:50 ` Russell King
2004-02-05 11:47 ` Nick Piggin
2004-02-05 16:11 ` Martin J. Bligh
2004-02-05 16:16 ` Nick Piggin
2004-02-05 16:20 ` Nikita Danilov
2004-02-05 17:58 ` John Cherry
2004-02-05 19:23 ` Deepak Saxena
2004-02-05 20:05 ` Greg KH
2004-02-05 23:31 ` 2.6.2-mm1 aka "Geriatric Wombat" DIO read race still fails Daniel McNeil
2004-02-05 23:58 ` Badari Pulavarty
2004-02-06 22:37 ` Daniel McNeil
2004-02-06 0:07 ` Andrew Morton [this message]
2004-02-06 0:32 ` Daniel McNeil
2004-02-06 18:02 ` 2.6.2-mm1 aka "Geriatric Wombat" Thomas Davis
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