Re: [Fwd: What do people think about not installing a stripped /kernel ?]

From: Scott Long (scottl_at_freebsd.org)
Date: 10/20/04

  • Next message: Ruslan Ermilov: "Re: [Fwd: What do people think about not installing a stripped /kernel ?]" 
    Date: Wed, 20 Oct 2004 11:39:53 -0600
To: Brooks Davis <brooks@one-eyed-alien.net>

    Brooks Davis wrote:
    > On Wed, Oct 20, 2004 at 08:20:48PM +0300, Maxim Sobolev wrote:
    >
    >>Let me clarify it down: it is only applies to HEAD, that is, unstable
    >>branch, which can be inheretedly buggy. STABLE/RELEASE doesn't really
    >>need this feature. This dismisses the following objections:
    >
    >
    > I think it's more important in HEAD, but personally I would like to ship
    > this way. It has the potential to vastly improve the quality of bug
    > reports. That's not my call though.
    >
    >
    >>1. HDD size constrains: nobody really want to run unpatched HEAD on CF
    >>or the like, since with HEAD you are expected to re-compile more than often.
    >>
    >>2. / partition size: anybody running HEAD is expected to allow this
    >>accomodate debugging kernel.
    >>
    >>3. Additional slowdown: since it is adds up to 10 seconds (I bet that
    >>even less on a modern system) who cares? This is HEAD, so that it is
    >>expected to be sub-optimal performance-wise.
    >
    >
    > I seriously doubt it's measurable. If it is, the loader is broken. :-)
    > We're talking about reading a section header and doing a seek for each
    > ELF section we don't care about (all the ones that bloat the file
    > relative to the stripped version.)
    >
    > -- Brooks

    Actually, another possbility would be to have the kernel install target
    install the stripped kernel into /boot/kernel/kernel and the debug
    kernel into /var/kernel/kernel.debug or some similar location.

    Scott
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