Re: how to interpret crash?

From: David Magda (dmagda_at_ee.ryerson.ca)
Date: 05/28/04

  • Next message: Daniel O'Connor: "Re: how to interpret crash?" 
    Date: Thu, 27 May 2004 20:30:40 -0400
To: Robert Watson <rwatson@freebsd.org>

    On May 27, 2004, at 19:55, Robert Watson wrote:

    > you need. If you've cvsup'd and no longer have the source code for the
    > old kernel, regardless of having debugging symbols, you're in a much
    > worse
    > starting point for tracking down the problem.

    I don't pretend to have the knowledge to actually fix a kernel issue.
    :> I would simply want to have a way to provide a useful backtrace for
    developers. Even if I cvsup'd I could always use CVSWeb to look at the
    previous revision.

    > One important reason that the debugging kernel isn't kept around is
    > space
    > considerations: in -CURRENT, a 5mb kernel will generally be
    > accompanied by

    Yes, this is why I suggested a variable in make.conf with an .if
    statement in the Makefiles.

    Searching through the the Makefiles: around line 193 in file
    sys/conf/kern.post.mk you have (from a 5.2.1-p7 system):

    .if defined(DEBUG) && defined(INSTALL_DEBUG)
             ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL}
    ${DESTDIR}${KODIR}
    .else
             ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO}
    ${DESTDIR}${KODIR}
    .endif

    Would changing it to the following work?

    .if defined(DEBUG) && defined(INSTALL_DEBUG)
             ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL}
    ${DESTDIR}${KODIR}
    .else
             ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO}
    ${DESTDIR}${KODIR}
    .if defined(INST_KERNDEBUG)
             ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL}
    ${DESTDIR}${KODIR}
    .endif
    .endif

    I haven't checked how FULLKERNEL is defined.

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  • Next message: Daniel O'Connor: "Re: how to interpret crash?"

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