From: Jeff Garzik <jeff@garzik.org>
To: Russell Coker <ide@coker.com.au>
Cc: linux-ide@vger.kernel.org
Subject: Re: PATA on a SATA system doing PIO not DMA
Date: Tue, 15 Aug 2006 07:10:37 -0400 [thread overview]
Message-ID: <44E1ABAD.7070900@garzik.org> (raw)
In-Reply-To: <200608151354.21359.ide@coker.com.au>
Russell Coker wrote:
> I have a Pentium-D machine with ICH7 chipset running the 64bit version of FC5
> that has one S-ATA disk and one P-ATA disk. The S-ATA disk runs normally
> giving good performance while the P-ATA disk does about 1.5MB/s (PIO).
>
> I have the drivers loaded in the initrd (can even have the root filesystem on
> the P-ATA disk). The P-ATA disk in question ran at full speed on RHEL4 in a
> 32bit Celeron machine and has run at full speed in a Pentium 4 machine
> running FC5.
>
> Any ideas or suggestions for tests I should perform? Below is the relevant
> section of dmesg output:
I bet you need to build the IDE driver into the kernel.
Jeff
prev parent reply other threads:[~2006-08-15 11:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-15 3:54 PATA on a SATA system doing PIO not DMA Russell Coker
2006-08-15 11:10 ` Jeff Garzik [this message]
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