svn commit: r333388 - in head: . share/man/man4 sys/confsys/dev/nxge sys/modules sys/modules/nxge tools/kerneldoc/subsys tools/toolstools/tools/nxge usr.sbin/bsdconfig/share

[Brooks Davis]

On Thu, May 24, 2018 at 02:53:16AM +0700, Eugene Grosbein wrote:
> 24.05.2018 2:30, Cy Schubert wrote:
> 
> > Except for old computers and old software that segfaults on 64-bit, how many people still use i386?
> > 
> > Full disclosure: I'd like to see i386 deorbited before I retire.
> 
> Plese don't. I routinely use FreeBSD11/i386 for cheap VPS hosts having less than 2G memory
> because amd64 has noticeable overhead. I even have ZFS-only i386 VPS, here is live example with 1G only:
> 
> Mem: 10M Active, 69M Inact, 230M Wired, 685M Free
> ARC: 75M Total, 1953K MFU, 31M MRU, 172K Anon, 592K Header, 42M Other
>      3500K Compressed, 29M Uncompressed, 8.61:1 Ratio
> Swap: 1024M Total, 1024M Free
> 
> The VPS has only 20G of disk space and ZFS compression gives
> compressratio 2.22x for ports, 2.51x for src, 2.29x for obj
> and 1.95x for installed i386 system plus other software and data.

I think we're quite a ways from being ready to axe i386.

For VPS applications, we should probably get x32 support in place which
should give us the best of both worlds.

That said, we either need to rev the i386 ABI to use a 64-bit time_t or
kill it in the not to distant future or we risk embedded systems failing
in place in 2038.  If we assume a 15 year life for most equipment to
fail electrically or mechanically that says FreeBSD 13 shouldn't support
the current i386 ABI.

-- Brooks
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