From: "Lee Revell" <rlrevell@joe-job.com>
To: "John Coppens" <john@jcoppens.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Conflict between ide and usb?
Date: Fri, 16 Mar 2007 15:52:12 -0400 [thread overview]
Message-ID: <75b66ecd0703161252l60dcbd81s3c9beb7cb91b6c14@mail.gmail.com> (raw)
In-Reply-To: <20070316154735.6de11eca.john@jcoppens.com>
On 3/16/07, John Coppens <john@jcoppens.com> wrote:
> The problem I have, is that when I copy a file from a DVD to harddisk,
> the internet connection almost dies (it slows down terribly, so much so
> that established connections actually disconnect, ping looses packets,
> DNS lookup fails, etc). After copy ends, all returns to normal.
Sounds like DMA starvation, it's been seen in the past with some SATA
controllers. Presumably vendors do it to improve benchmark scores.
You can confirm it by forcing the hard drive and/or DVD drive to a
lower speed if your BIOS allows it.
Lee
next prev parent reply other threads:[~2007-03-16 19:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-16 18:47 John Coppens
2007-03-16 19:52 ` Lee Revell [this message]
2007-03-16 20:12 ` John Coppens
2007-03-16 20:34 ` Lennart Sorensen
2007-03-16 22:39 ` John Coppens
2007-03-17 13:49 ` John Coppens
2007-03-16 20:23 ` Mark Lord
2007-03-16 20:42 ` Mark Lord
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