6.3 reboot -d doesn't work

[Ed Maste]

On Wed, Sep 17, 2008 at 09:25:37AM -0700, Jeremy Chadwick wrote:

> On Wed, Sep 17, 2008 at 07:36:46AM -0400, Stephen Clark wrote:
> > I am trying to get a crash dump but am unable to with FreeBSD 6.3-RELEASE-p2
> >
> > [...]
> > reboot -d
> > ...
> > dumping 255M 2 chunks
> >
> >
> > Then nothing - the system doesn't reboot and I have to hard reset it.
> > When it comes back up there is no crash file in /var/crash
> > [...]
>
> It's a known problem.  If when the machine reboots, you forcefully enter
> single-user, you should be able to get the kernel dump using savecore.
> 
> http://www.freebsd.org/cgi/query-pr.cgi?pr=conf/118255

Your PR doesn't look like Stephen's problem to me, since according to
his description the system hangs when trying to do the dump so there
won't be anything on the disk for savecore to save.

- Ed