Very strange kernel panic with 6.1-Release

[Alexandre Vieira]

On 11/22/06, Eric W. Bates <ericx at vineyard.net> wrote:
>
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> rtsit wrote:
> > The last time I retrieved "src-all" with cvsup, I ran
> > a  "make buildworld" then a "make buildkernel" a "make
> > installkernel" and "a mergemaster -p" and a "reboot"
> >
> > I did all of this remotely, and the box never came
> > back.
> >
> > Is it possible to CVSup a box from remote?  My box is
> > a 2 hour drive from me.
>
> I've done it many times.  I have not tried with 6.1.
>
> Generally it is doable if you are going from one minor revision to the
> next. However, trying to do it across a major revision is problematic.
>
> Usually when you are supposed to run in single user, I let the machine
> boot more or less normally (might comment out some stuff in rc.conf) and
> after I ssh back in, I start killing processes. Just be careful not to
> cut yourself off at the knees.
>
> The most elegant way, of course, is to set your console onto the serial
> port and use an old PortMaster 2 as a console server. Works quite
> nicely; but obviously requires more advanced planning.
>
> >
> >> CVSUP to latest 6.1, it has some panic fixes. Based
> > on >what you posted, it looks
> >> similar to panics I had which are now fixed in latest
> >> FreeBSD.
> >>
> >
> >
> >
> >
> >
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>
>
> - --
> Eric W. Bates
> ericx at vineyard.net
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It's always recommended to have some type of console access.

I've done this plenty of times and it never went wrong, but it's possible
that the machine won't boot with your new kernel.

Cheers
-- 
Alexandre Vieira - nullpt at gmail.com