Re: IOMMU option in bios
On Fri, 19 Mar 2010 01:02:50 +0100, Clive McBarton wrote:
> Camaleón wrote:
>> Not sure if this has something to do with some BIOS option that allow
>> "memmory remapping" :-?
>
> There's no such option. Not in any BIOS I've ever seen.
That could be the problem.
>> There is an Ubuntu forum thread that may help a bit
>
> It doesn't. It's a long thread with people talking about the problem,
> suggesting a great number of "solutions" (some of them harmful) without
> solving the problem.
Didn' you try some of the tips? They only require passing some options to
the kernel at boot time and there is nothing harmful in doing that :-?
> On the other hand, nothing else I've seen so far solves the problem
> either. Most people ignore it, since it may be just an annoying message,
> the loss of a tiny fraction of RAM, and possibly your RAM becoming
> slightly slower.
I passed the link not because it provided a "magic solution" but for you
get an idea of the origin of that message and how to bypass it ;-)
> Are there any users of 64bit Debian with 4GB or more who are not
> affected?
Sure.
I am not getting that message in dmesg (running lenny amd64, 8 GiB.)
*but* my BIOS has "memory reclaiming" enabled.
Greetings,
--
Camaleón
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