Dumpdev issue in 6.4-STABLE

[Paul A. Procacci]

Mark,

Perhaps remote GDB via serial console...

http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-online-gdb.html

This explain it in very good detail.

~Paul

On Fri, Aug 06, 2010 at 06:37:37PM -0400, Mark Saad wrote:
>
> > Mark Saad wrote:
> >  >
> >  > > wrote:
> >  > > > I then set in /boot/loader.conf
> >  > > >
> >  > > > dumpdev="/dev/da0s1b"
> >  > >
> >  > > On 8-STABLE dumpdev should be defined in
> > rc.conf(5).?
> >  > > Not sure about
> >  > > 6-STABLE offhand.
> >  >
> >  > The box dies before init is started so dumpdev in
> > rc.conf is pointless.
> >
> > I'm afraid you can't set dumpdev from the loader.
> >
> > In ancient times it was possible to hardcode the dumpdev
> > via the kernel configuration, but that option is long
> > gone, AFAIK.
> >
> Oliver so how do I get a core file of what the kernel is doing ? What is the "new way" of doing this ?
>
> > Best regards
> > ???Oliver
> >
> > --
> > Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29,
> > 85567 Grafing b. M.
> > Handelsregister: Registergericht Muenchen, HRA 74606,?
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> > Registergericht M?n-
> > chen, HRB 125758,? Gesch?ftsf?hrer: Maik Bachmann,
> > Olaf Erb, Ralf Gebhart
> >
> > FreeBSD-Dienstleistungen, -Produkte und mehr:? http://www.secnetix.de/bsd
> >
> > "I started using PostgreSQL around a month ago, and the
> > feeling is
> > similar to the switch from Linux to FreeBSD in '96 --
> > 'wow!'."
> > ? ? ? ? -- Oddbjorn Steffensen
> >
>
>
> --
> Mark Saad
> mark.saad at ymail.com
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