From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Luck, Tony" <tony.luck@intel.com>
Date: Tue, 30 Sep 2003 15:45:16 +0000
Subject: RE: Problem using more than 2 GB with my driver
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To: linux-ia64@vger.kernel.org

> I've got a little problem:
> I wrote a driver using the physical addresses of a buffer computed by
> the "ia64_tpa" function (but no using DMA) that works only on machines
> with 2Gb of RAM at most. With more RAM, the machine crashes very badly
> after a while, and even KDB is not usable...
> If anybody has an a idea ;-)

What does your driver do with the physical address (if not for DMA, why
does it need the physical address?)

-Tony