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Re: [Xen-devel] File System Performance - 10x slower

To: Nauzad Sadry <nauzad@xxxxxxxxx>
Subject: Re: [Xen-devel] File System Performance - 10x slower
From: Jan Kundrát <jan.kundrat@xxxxxx>
Date: Tue, 11 Jan 2005 23:15:55 +0100
Cc: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, Steven Hand <Steven.Hand@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx
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Nauzad Sadry wrote:
On using hdparm is found out that DMA is disabled by default in Xen
(it was enabled on baseline) & I probably need to rebulid the kernel
with this option turned on.

If there are any other ways to turn on this option, please let me know

as Ian already said, you'll have to include your IDE chipset's driver into kernel. It is located under Device drivers->ATA/ATAPI/MFM/RLL support.

-jkt

--
cd /local/pub && more beer > /dev/mouth



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