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SubjectRe: 2.4: mylex and > 2GB RAM
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.

On Mon, Dec 08, 2003 at 10:01:45PM +0100, Per Andreas Buer wrote:
> 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?

Actually, this suggests lowmem starvation due to bounce buffering.


-- wli
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