Re: no kld in minidumps

From: Devon H. O'Dell <devon.odell_at_gmail.com>
Date: Mon, 30 Oct 2006 20:28:56 -0500
2006/10/30, John-Mark Gurney <gurney_j_at_resnet.uoregon.edu>:
> Devon H. O'Dell wrote this message on Mon, Oct 30, 2006 at 14:28 -0400:
> > 2006/8/20, Maxim Konovalov <maxim_at_macomnet.ru>:
> > >On Fri, 18 Aug 2006, 20:59+0300, Andriy Gapon wrote:
> > >
> > >> on 18/08/2006 20:50 Dmitry Pryanishnikov said the following:
> > >> > Hello!
> > >> >
> > >> > On Fri, 18 Aug 2006, Andriy Gapon wrote:
> > >> >> BTW, has anyone contemplated or even done this - some sort of a script
> > >> >> to automatically add all modules that were loaded at a time of crash ?
> > >> >
> > >> >   Hmm, isn't this the task for asf(8). If not, what is asf(8) for?
> > >>
> > >> This is a very nice command, thank you! But it does not seem to be
> > >> directly applicable to postmortem situation i.e. crash dump
> > >> debugging. Or maybe it will be easier to teach kldstat to work with
> > >> dumps/images in addition to what it does now ?
> > >
> > >There is some support in /usr/src/tools/debugscripts/ but I didn't try
> > >it recently.  To make it work you need to to do smth like that:
> > >
> > >cd /usr/obj/usr/src/sys/GENERIC/ && make gdbinit
> >
> > >From what I could tell, these were for remote debugging. I've written
> > a shellscript that wraps calling gdb -k (since we're using 4.x at the
> > shop). I'm not quite sure how to translate it into kgdb-feasible stuff
> > since kgdb doesn't have -x or -batch. If anybody would like to give me
> > pointers, I'd be glad to wrap it for either.
> >
> > It's available at http://databits.net/~dho/load_syms.txt
>
> You do know about:
> http://www.freebsd.org/cgi/cvsweb.cgi/src/tools/debugscripts/
>
> If you want to write up an entry for the README, I'll add it to the
> collection..

Yeah, it was my impression that these only worked with remote
debugging (seeing the comments around the relevant code). I'll play
around with it a little more and see what it's all about and submit
something for the README when I figure out how to use it.

--dho

> --
>   John-Mark Gurney                              Voice: +1 415 225 5579
>
>      "All that I will do, has been done, All that I have, has not."
>
Received on Tue Oct 31 2006 - 00:29:04 UTC

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