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From: "Luck, Tony" <tony.luck@intel.com>
To: linux-ia64@vger.kernel.org
Subject: RE: Problem using more than 2 GB with my driver
Date: Tue, 30 Sep 2003 15:45:16 +0000	[thread overview]
Message-ID: <marc-linux-ia64-106493756232354@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-106494885715850@msgid-missing>

> 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

  reply	other threads:[~2003-09-30 15:45 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-09-30 14:13 Problem using more than 2 GB with my driver Patrice Martinez
2003-09-30 15:45 ` Luck, Tony [this message]
2003-09-30 17:49 ` Grant Grundler
2003-09-30 18:06 ` Alex Williamson
2003-10-01 11:05 ` Patrice Martinez

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