From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Per Andreas Buer <perbu@linpro.no>
Cc: William Lee Irwin III <wli@holomorphy.com>,
<linux-kernel@vger.kernel.org>
Subject: Re: 2.4: mylex and > 2GB RAM
Date: Tue, 9 Dec 2003 08:31:18 -0200 (BRST) [thread overview]
Message-ID: <Pine.LNX.4.44.0312090830270.1289-100000@logos.cnet> (raw)
In-Reply-To: <1070917304.1260.44.camel@localhost.localdomain>
On Mon, 8 Dec 2003, Per Andreas Buer wrote:
> On Mon, 2003-12-08 at 21:22, William Lee Irwin III wrote:
> >
> > It could potentially slow it down a lot more than a few percent.
> >
> > The main effect you would see is heavy low memory consumption (LowFree:
> > going down to almost nothing) and very heavy cpu consumption.
>
> Right on. LowFree drops and when it reaches almost nothing the system
> more or less goes freezes.
>
> The DAC960 driver is not a SCSI driver so this means that there is
> something wrong with the PCI-DMA transfers, right?
>
> Replacing the DAC960 with another RAID-kontroller will not help because
> it will use the same PCI-DMA transfers, right? Any hints on how I can
> mend this?
Per,
You may want to give 2.4.23 a try.
The VM has been changed to balance the memory in a "saner" way wrt
highmem.
next prev parent reply other threads:[~2003-12-09 10:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-08 15:24 2.4: mylex and > 2GB RAM Per Buer
2003-12-08 15:36 ` William Lee Irwin III
2003-12-08 15:54 ` Per Buer
2003-12-08 16:22 ` William Lee Irwin III
2003-12-08 20:15 ` Per Andreas Buer
2003-12-08 20:22 ` William Lee Irwin III
2003-12-08 21:01 ` Per Andreas Buer
2003-12-08 21:02 ` William Lee Irwin III
2003-12-08 21:25 ` Per Andreas Buer
2003-12-08 21:36 ` William Lee Irwin III
2003-12-09 10:31 ` Marcelo Tosatti [this message]
2003-12-10 13:21 ` Per Buer
2003-12-08 20:40 ` Zwane Mwaikambo
2003-12-08 15:58 Hank Leininger
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