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Date:      Tue, 27 Mar 2001 16:17:42 +0300
From:      Peter Pentchev <roam@orbitel.bg>
To:        Dmitry Samersoff <dms@wplus.net>
Cc:        Daniel O'Connor <doconnor@gsoft.com.au>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: Need advice (server continue dies)
Message-ID:  <20010327161742.B2374@ringworld.oblivion.bg>
In-Reply-To: <3AC08FB5.A79E058A@wplus.net>; from dms@wplus.net on Tue, Mar 27, 2001 at 05:03:49PM %2B0400
References:  <XFMail.010327190918.doconnor@gsoft.com.au> <3AC066DC.EB973AE1@wplus.net> <20010327154846.A2374@ringworld.oblivion.bg> <3AC08FB5.A79E058A@wplus.net>

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On Tue, Mar 27, 2001 at 05:03:49PM +0400, Dmitry Samersoff wrote:
> Peter Pentchev wrote:
> > 
> > On Tue, Mar 27, 2001 at 02:09:32PM +0400, Dmitry Samersoff wrote:
> > > Daniel O'Connor wrote:
> > > >
> > > > On 27-Mar-01 Dmitry Samersoff wrote:
> > > > >  I also have a kernel crash dump and could post it here if no one can
> > > > >  give me a good advice without it ;-)))
> > > >
> > > > If you haven't compiled the kernel with debugging symbols then you should do so..
> > >
> > > I done it  but it's remote server and I have a problem to get valid
> > > crash dump -
> > > last attempt was unsuccessful - I see the only file "minfree"
> > > in /var/crash
> > 
> > Have you run dumpon and/or savecore?  You need to at least run dumpon
> > *before* the kernel crashes, to tell it what device to dump on; later,
> > when the machine reboots, you want to run savecore to fetch the coredump,
> > and store it into /var/crash.
> > 
> > This is all best done by specifying dumpdev in rc.conf.  You'll have to
> > manually run dumpon the first time, before the machine crashes; after
> > the crash, the rc scripts shall run both dumpon and savecore, because
> > the dumpdev setting in rc.conf tells them to.
> 
> Thank you!
> I run dumpon now and insert it in rc.conf
> 
> The only thing I can ask hosting support is press <CTRL-ALT-ESC>
> on crash and then type "panic". 
> 
> Is it enough to get a good kernel core?

Yes, that should be enough.  Hmm.. if you have 'options DDB' in
the kernel config, the machine should fall to DDB by itself, when
a kernel panic occurs.  Or does it just crash, without a panic?
If so, pressing Ctrl-Alt-Esc would be needed.

G'luck,
Peter

-- 
If this sentence didn't exist, somebody would have invented it.

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