On Tue, Sep 20, 2016 at 05:38:50PM -0600, Jeff Ross wrote:
> Hi all,
> I've had a server with corenetworks for quite a few years now but after
> changes at corenetworks (their recent name change after acquisition by
> another company, no current servers available, no communication about the
> change of ownership with existing customers and an email exchange with
> sales@), I've decided it is best jump ship now rather than wait for a hard
> and possibly immediate deadline.
> I've just rented a server with 8GB of ram from m5hosting (based in large
> part from the many recommendations I read while searching misc@ on
> marc.info).  Now the question is: i386 which is what I've always run on my 2
> GB ram server, or amd64? http://www.openbsd.org/amd64.html and
> http://www.openbsd.org/i386.html are curiously silent on the amount of ram
> that can be accessed.  If I have 8GB, I for sure want to use it all.

Then your only choice is amd64. PAE, as discussed below, is only used to
enable NX, and not for "gigantisch memory i386".


> I know there was a time when i386 was limited to the amount of ram it can
> access (32 bit) but now amd64 has this caveat: "(Some Intel processors lack
> support for important PAE NX bit, which means those machines will run
> without any W^X support -- it is thus safer to run those machines in i386
> mode)."  How does this fit with the recent work in 6.0+?  How can I tell if
> the Xeon 3220 processor has the PAE NX bit? I see nothing in the tech sheet
> about PAE NX. 
> http://ark.intel.com/products/28034/Intel-Xeon-Processor-X3220-8M-Cache-2_40-GHz-1066-MHz-FSB
> I have a little less than 2 weeks to make the transition so not a lot of
> time for install and try.
> Thanks in advance for any suggestions--dmesgs supplied once I get access.
> Jeff Ross
> Open Vistas Networking

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