Re: 2.4: mylex and > 2GB RAM

[Marcelo Tosatti]

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. 


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