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List:       freebsd-stable
Subject:    Re: Problem running 8.1R on KVM with AMD hosts
From:       Jeremy Chadwick <freebsd () jdc ! parodius ! com>
Date:       2010-09-30 23:19:01
Message-ID: 20100930231901.GA30388 () icarus ! home ! lan
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On Thu, Sep 30, 2010 at 07:57:51PM +0100, Luke Marsden wrote:
> Hi FreeBSD-stable,
> 
> > > 1. Please, build your kernel with debug symbols.
> > > 2. Show kgdb output
> 
> I could not convince the kernel to dump (it was looping forever but not
> panicing), but I have managed to compiled a kernel with debugging
> symbols and DDB which immediately drops into the debugger when the
> problem occurs, see screenshot at:
> 
>         http://lukemarsden.net/kvm-panic.png
> 
> Progress, I sense.
> 
> I tried typing 'panic' on the understanding that this should force a
> panic and cause it would dump core to the configured swap device (I have
> set dump* in /etc/rc.conf) so that I could get you the kgdb output, but
> it just looped back into the debugger.

Try "call doadump" instead.

-- 
| Jeremy Chadwick                                   jdc@parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |

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