+1.
On 28 September 2013 06:56, Ian Lepore <i...@freebsd.org> wrote: > On Sat, 2013-09-28 at 20:37 +1000, Peter Jeremy wrote: > > I have a system with 4GB RAM and hence need to use an amd64 kernel to use > > all the RAM (I can only access 3GB RAM with an i386 kernel). OTOH, amd64 > > processes are significantly (50-100%) larger than equivalent i386 > processes > > and none none of the applications I'll be running on the system need to > be > > 64-bit. > > > > This implies that the optimal approach is an amd64 kernel with i386 > > userland (I'm ignoring PAE as a useable approach). I've successfully > > run i386 jails on amd64 systems so I know this mostly works. I also > > know that there are some gotchas: > > - kdump needs to match the kernel > > - anything accessing /dev/mem or /dev/kmem (which implies anything that > > uses libkvm) probably needs to match the kernel. > > > > Has anyone investigated this approach? > > > > Why are you ignoring PAE? It's been working for me for years. > Yeah, if there's PAE issues in -HEAD (read: there are, and we should fix the bugs that alfred/andre's autotuning stuff introduced) then we should fix it. PAE should still be working! -adrian _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
