From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Gian-Carlo Pascutto <gpascutto@nero.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: ServerWorks CSB6 DMA problems
Date: Sat, 15 Jan 2005 00:33:25 +0000 [thread overview]
Message-ID: <1105744528.9838.37.camel@localhost.localdomain> (raw)
In-Reply-To: <41E83C2D.6070101@nero.com>
On Gwe, 2005-01-14 at 21:39, Gian-Carlo Pascutto wrote:
> On a machine with a RHEL3 kernel (2.4.21-27.0.1.EL), the kernel seems to
> enable UDMA33 on the first connected disk (Seagate 7200.7) but uses PIO
> mode on the second (Maxtor 6Y080P0).
>
> I found out this is for good reasons because after enabling UDMA100 on
> both disks, via hdparm, filesystem corruption quickly resulted.
That all suprises me a great deal, although the modes are normally BIOS
selected by the Serverworks and then read by the kernel. CBS5/CSB6 IDE
should be very reliable indeed (OSB4 is a much older chipset and the
problem it has is OSB4 specific)
I'd also suggest you raise it with your RHEL support and/or
bugzilla.redhat.com
Alan
prev parent reply other threads:[~2005-01-15 1:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-14 21:39 ServerWorks CSB6 DMA problems Gian-Carlo Pascutto
2005-01-15 0:33 ` Alan Cox [this message]
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