From: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
To: linux-ia64@vger.kernel.org
Subject: RE: [Gelato-technical] Serious performance degradation on a RAID withkernel 2.6.11
Date: Wed, 06 Apr 2005 05:56:00 +0000 [thread overview]
Message-ID: <200504060556.j365u0g24048@unix-os.sc.intel.com> (raw)
In-Reply-To: <16978.62532.841151.100745@napali.hpl.hp.com>
On Tue, Apr 05, 2005 at 09:45:34PM -0700, David Mosberger wrote:
>
> Did you compile the driver as a module?
Duraid Madina wrote on Tuesday, April 05, 2005 9:53 PM
> Nope. You're not seeing the problem?
That is the reason for the performance problem. And this is definitely
*not* ia64 specific. See this discussion which started with performance
problem seen on opteron and reproduced on DELL machine as well.
http://marc.theaimsgroup.com/?t\x111028927300002&r=1&w=2
The changeset that david pointed out is the right fix. Or you can just
take the small patch I posted in the above thread.
- Ken
next prev parent reply other threads:[~2005-04-06 5:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-05 20:25 [Gelato-technical] Serious performance degradation on a RAID with David Mosberger
2005-04-05 20:43 ` [Gelato-technical] Serious performance degradation on a RAID Rob Fowler
2005-04-06 2:13 ` [Gelato-technical] Serious performance degradation on a RAID with kernel 2.6.11 Duraid Madina
2005-04-06 4:45 ` [Gelato-technical] Serious performance degradation on a RAID with David Mosberger
2005-04-06 4:53 ` [Gelato-technical] Serious performance degradation on a RAID with kernel 2.6.11 Duraid Madina
2005-04-06 5:10 ` David Mosberger
2005-04-06 5:56 ` Chen, Kenneth W [this message]
2005-04-06 7:29 ` [Gelato-technical] Serious performance degradation on a RAID Andreas Hirstius
2005-04-06 7:30 ` Andreas Hirstius
2005-04-06 7:32 ` David Mosberger
2005-04-06 7:34 ` Andreas Hirstius
2005-04-06 8:33 ` Andreas Hirstius
2005-04-06 16:58 ` David Mosberger
2005-04-06 18:57 ` Andreas Hirstius
2005-04-06 21:50 ` [Gelato-technical] Serious performance degradation on a RAID withkernel 2.6.11 Chen, Kenneth W
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200504060556.j365u0g24048@unix-os.sc.intel.com \
--to=kenneth.w.chen@intel.com \
--cc=linux-ia64@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox