Re: FreeBSD/alpha kern.flp flood

From: Ruslan Ermilov <>
Date: Sat, 29 Mar 2003 22:30:05 +0200
On Sat, Mar 29, 2003 at 03:08:12AM -0800, Terry Lambert wrote:
> Makoto Matsushita wrote:
> > It seems that kern.flp for FreeBSD/alpha is flooded (tested on FreeBSD/i386).
> > Maybe several kbytes should be removed from the kernel:
> [ ... ]
> > -r-xr-xr-x  1 root  wheel  1223388 Mar 28 00:57 kernel.gz
> > -r-xr-xr-x  1 root  wheel  200864 Mar 28 00:57 loader
> [ ... ]
> > Anybody have an idea to reduce the size?
> In theory, you could boot the kernel directly, without the
> loader.  For that to work, though, you would need to do some
> extra work, but that would get you 200K back.
bde_at_ had patches for i386 that obviate the need of loader(8).

> You might also consider stripping the kernel, if it's not
> stripped already; that will break some things, but probably
> not things you care about when booting from a floppy.
It's already stripped.  Stripping the .comment section
saves me 400K for my i386 kernel.

> Maybe there are some drivers, not related to the floppy,
> that you could not link in, and provide kernel modules for
> them on a seperate floppy; you couldn't strip the symbols,
> or not keep the loader, though, in that case.  I don't really
> know what's in the kernel you have there, so it's hard to
> tell what baggage you have to throw overboard.
Hardly.  The alpha BOOTMFS kernel is already stripped to
a minimum.  I had to remove the IPv6 support from it last
time when I generated the Alpha snapshot on i386 for

> You might want to talk to Bruce.
Always a good idea.  :-)

> Also, the Alpha folks might be able to pick and choose driver
> sets for you, so that you could have several platform-specific
> versions of floppies, by stripping platform-specific drivers
> from the other floppies in the set.  You'd want to ask on the
> -alpha, rther than -current, list for that; the idea may or may
> not be feasible.

Ruslan Ermilov		Sysadmin and DBA,		Sunbay Software AG,		FreeBSD committer,
+380.652.512.251	Simferopol, Ukraine	The Power To Serve	Enabling The Information Age

Received on Sat Mar 29 2003 - 11:30:27 UTC

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