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Date: Mon, 10 Jul 2000 14:10:04 -0700 (PDT)
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From: Ben Smithurst <ben@FreeBSD.org>
Subject: Re: docs/19648: handbook mentions stripping kernel.debug, but this is done for you
Reply-To: Ben Smithurst <ben@FreeBSD.org>
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The following reply was made to PR docs/19648; it has been noted by GNATS.

From: Ben Smithurst <ben@FreeBSD.org>
To: jblaine@mitre.org
Cc: freebsd-gnats-submit@FreeBSD.org
Subject: Re: docs/19648: handbook mentions stripping kernel.debug, but this is done for you
Date: Mon, 10 Jul 2000 21:21:54 +0100

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 jblaine@mitre.org wrote:
 
 > Remove the following paragraph from the appropriate handbook section:
 >
 > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 > When the kernel has been built make a copy of it, say kernel.debug,
 > and then run strip -g on the original. Install the original as
 > normal. You may also install the unstripped kernel, but symbol table
 > lookup time for some programs will drastically increase, and since the
 > whole kernel is loaded entirely at boot time and cannot be swapped out
 > later, several megabytes of physical memory will be wasted.
 > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 
 Then people with FreeBSD 3.x or earlier will lose that advice...  How
 about something like this instead:
 
 --- chapter.sgml        2000/06/14 00:47:36     1.24
 +++ chapter.sgml        2000/07/10 20:19:07
 @@ -48,7 +48,10 @@
         releases.</para>
      </note>
     =20
 -    <para>When the kernel has been built make a copy of it, say
 +    <para>If you are using any version of FreeBSD older than 4.0-RELEASE,
 +      you should install a stripped copy of the kernel, rather than the
 +      significantly larger debug copy.
 +      When the kernel has been built, make a copy of it, say
        <filename>kernel.debug</filename>, and then run <command>strip
         -g</command> on the original.  Install the original as normal.  You
        may also install the unstripped kernel, but symbol table lookup time=
  for
 
 Is the bit about wasting space still even true?  I thought with ELF this
 situation had improved a bit.  Anyone know?
 
 --=20
 Ben Smithurst / ben@FreeBSD.org / PGP: 0x99392F7D
 
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