Re: DMA Errors from SATA Controller with 4G Memory Remapping Enabled

From: Dimitar Popov
Date: Wed Nov 14 2012 - 03:58:26 EST


On Tuesday 13 November 2012 22:34:21 Alan Cox wrote:
> On Tue, 13 Nov 2012 23:08:07 +0100
>
> Dimitar Popov <dimitar.georgiev.popov@xxxxxxxxx> wrote:
> > Hi all,
> >
> > I have an old computer with motherboard ASUS SK8N with AMD Opteron 148 and
> > 4 GiB of DDR400. There is an onboard SATA Promise RAID controller working
> > in IDE mode (i.e. not as RAID controller) with 2 SATA disks. In order to
> > use all 4 GiB RAM I need to enable the "4G Memory Remapping" option from
> > the BIOS.
> > However, if I do that I receive the following errors:
> Pretty sure I know what that is as it's come up befor but the person
> reporting it vanished without testing fixes.
>
> Can you run tests on a fix

Yes, I can run tests - it is easily reproducible: I just need to start writing
on one of the disks. (sorry for the two messages)
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