RE: [Gelato-technical] Serious performance degradation on a RAID withkernel 2.6.11

From: Chen, Kenneth W <kenneth.w.chen_at_intel.com>
Date: 2005-04-06 15:56:00
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=111028927300002&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


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Received on Wed Apr 6 01:56:40 2005

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