On 2011-03-30 17.48, Jeff Ross wrote:
> On 03/30/11 05:21, Tony Berth wrote:
>> I can't??? So the limit of 4G physical memory still exists? And why
>> was this
>> statement made from 4.4 release?
>
> Worse, an amd64 kernel looking at 8GB of real, physical ram only makes a
> wee bit under 3GB available.
>
> OpenBSD 4.9-current (GENERIC.MP) #852: Sun Mar 20 13:21:59 MDT 2011
> dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 3220111360 (3070MB)
> avail mem = 3120357376 (2975MB)
That depends somewhat on the hardware you're running on, most likely the
address space footprint made by the video memory. This is what one of my
Supermicro servers looks like:
OpenBSD 4.7 (GENERIC.MP) #130: Wed Mar 17 20:48:50 MDT 2010
dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 3756720128 (3582MB)
avail mem = 3650265088 (3481MB)
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.4 @ 0xfb980 (77 entries)
bios0: vendor American Megatrends Inc. version "080014" date 10/13/2008
bios0: Supermicro H8DMT
/B
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