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From: David Chinner <dgc@sgi.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: David Chinner <dgc@sgi.com>,
	Nick Piggin <nickpiggin@yahoo.com.au>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [REGRESSION] 2.6.19/2.6.20-rc3 buffered write slowdown
Date: Thu, 11 Jan 2007 12:06:05 +1100	[thread overview]
Message-ID: <20070111010605.GU33919298@melbourne.sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0701101642080.23729@schroedinger.engr.sgi.com>

On Wed, Jan 10, 2007 at 04:43:36PM -0800, Christoph Lameter wrote:
> You are comparing a debian 2.6.18 standard kernel with your tuned version 
> of 2.6.20-rc3. There may be a lot of differences. Could you get us the 
> config? Or use the same config file and build 2.6.20/18 the same way.

I took the /proc/config.gz from the debian 2.6.18-1 kernel as the
base config for the 2.6.20-rc3 kernel and did a make oldconfig on
it to make sure it was valid for the newer kernel but pretty much
the same. I think that's the right process, so I don't think
different build configs are the problem here.

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group

WARNING: multiple messages have this Message-ID (diff)
From: David Chinner <dgc@sgi.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: David Chinner <dgc@sgi.com>,
	Nick Piggin <nickpiggin@yahoo.com.au>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [REGRESSION] 2.6.19/2.6.20-rc3 buffered write slowdown
Date: Thu, 11 Jan 2007 12:06:05 +1100	[thread overview]
Message-ID: <20070111010605.GU33919298@melbourne.sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0701101642080.23729@schroedinger.engr.sgi.com>

On Wed, Jan 10, 2007 at 04:43:36PM -0800, Christoph Lameter wrote:
> You are comparing a debian 2.6.18 standard kernel with your tuned version 
> of 2.6.20-rc3. There may be a lot of differences. Could you get us the 
> config? Or use the same config file and build 2.6.20/18 the same way.

I took the /proc/config.gz from the debian 2.6.18-1 kernel as the
base config for the 2.6.20-rc3 kernel and did a make oldconfig on
it to make sure it was valid for the newer kernel but pretty much
the same. I think that's the right process, so I don't think
different build configs are the problem here.

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group

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  reply	other threads:[~2007-01-11  1:06 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-10 22:37 [REGRESSION] 2.6.19/2.6.20-rc3 buffered write slowdown David Chinner
2007-01-10 22:37 ` David Chinner
2007-01-10 23:04 ` Christoph Lameter
2007-01-10 23:04   ` Christoph Lameter
2007-01-10 23:08   ` David Chinner
2007-01-10 23:08     ` David Chinner
2007-01-10 23:12     ` Christoph Lameter
2007-01-10 23:12       ` Christoph Lameter
2007-01-10 23:18       ` David Chinner
2007-01-10 23:18         ` David Chinner
2007-01-10 23:13     ` Nick Piggin
2007-01-10 23:13       ` Nick Piggin
2007-01-11  0:31       ` David Chinner
2007-01-11  0:43         ` Christoph Lameter
2007-01-11  0:43           ` Christoph Lameter
2007-01-11  1:06           ` David Chinner [this message]
2007-01-11  1:06             ` David Chinner
2007-01-11  1:40             ` Christoph Lameter
2007-01-11  1:40               ` Christoph Lameter
2007-01-11  2:57               ` David Chinner
2007-01-11  2:57                 ` David Chinner
2007-01-11  1:08         ` Nick Piggin
2007-01-11  1:08           ` Nick Piggin
2007-01-11  1:24           ` David Chinner
2007-01-11  1:24             ` David Chinner
2007-01-11  9:27             ` Nick Piggin
2007-01-11  9:27               ` Nick Piggin
2007-01-11 17:51               ` Christoph Lameter
2007-01-11 17:51                 ` Christoph Lameter
2007-01-12  0:06                 ` Nick Piggin
2007-01-12  0:06                   ` Nick Piggin
2007-01-12  3:04                   ` Christoph Lameter
2007-01-12  3:04                     ` Christoph Lameter
     [not found]           ` <20070111063555.GB33919298@melbourne.sgi.com>
2007-01-11  9:23             ` Nick Piggin
2007-01-11  9:23               ` Nick Piggin
2007-01-11  1:11     ` David Chinner
2007-01-11  1:11       ` David Chinner

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