On Fri, Oct 11, 2024 at 03:00:23PM +0200, Christian Schulte wrote:
> On 10/11/24 13:57, Stuart Henderson wrote:
> > On 2024-10-09, obs...@loopw.com <obs...@loopw.com> wrote:
> >>> In a second server I have upgraded from 7.5 i386 to 7.6 i386 but server 
> >>> sees only 4GB of RAM
> >>
> >>> Is anybody with similar experiences? Any ideas how to fix RAM?
> >>
> >> run 64bit OpenBSD
> >>
> >> 32bit address space is limited to a max of 4GB**, and some of that is 
> >> eaten up by PCI devices, etc.
> >> ** PAE can work around this, but I’m not sure if OpenBSD supports PAE at 
> >> all (and theres other issues/caveats with using PAE of course, including 
> >> speed and security)
> > 
> > OpenBSD does support PAE on i386, but not for increasing address space,
> > just for W^X. See /sys/arch/i386/i386/pmapae.c r1.28.
> > 
> > 
> 
> Hmm. Why not give up on i386 and make that i686 instead (Pentium Pro)?
> What I mean by this. Rename the current i386 to i686 by compiling it for
> i686 and update the pmap to support more than 4GB physical RAM (PAE).
> Supporting i386 is like supporting 68030.

That's such a trivial task you should be able to finish it over the
weekend. We all wait for your diff on Monday.

-- 
:wq Claudio

Reply via email to