Date: Mon, 2 Sep 2002 20:43:19 -0300 (ADT) From: "Marc G. Fournier" <scrappy@hub.org> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: Matthew Dillon <dillon@apollo.backplane.com>, <freebsd-stable@FreeBSD.ORG> Subject: Re: Crash with KVM monitoring in place ... Message-ID: <20020902203017.H2186-100000@hub.org> In-Reply-To: <15731.55567.174393.782218@grasshopper.cs.duke.edu>
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On Mon, 2 Sep 2002, Andrew Gallatin wrote: > > Marc G. Fournier writes: > > Awhile back, someone posted this to the lists: > > > > http://www.cs.duke.edu/~anderson/freebsd/netdump/readme.html > > > > To do dumps to a 'dump server' ... i tried it on a 4.4 kernel, I believe > > it was, and altho it looked like it was dumping, I got zero bits on the > > remote server, so I'm figuring changes in the kernel itself ... > > > > Any chance on getting such working (and maybe into) the latest source > > trees? It seems to be it would be most valuable, especially as more and > > I had a spare hour this afternoon, and I just got it working again on > an SMP PIII running a -stable that's only a few weeks old. I think it > was failing due to changes in the ip_fw_chk_ptr() interface. Sorry I > didn't have time to debug it when you tried it earlier. > > I've left a tarball at: > http://people.freebsd.org/~gallatin/netdump.tgz > > Its still something of a hack -- you must be running an fxp or a de > interface for it to work. You also need to have ipfw compiled into > the kernel... I'm using: > > options IPFIREWALL #firewall > options IPFIREWALL_FORWARD #enable transparent proxy support > options IPFIREWALL_DEFAULT_TO_ACCEPT #allow everything by default > > For some reason, automatic sysctl installation no longer works, so if > you want to disable partial dumps, you'll need to manually do it at > compile time (or via ddb or gdb). Okay, do I have to do anything special on the dump_server side of things? Do you know of any way of inducing a 'panic' on a remote server to test this with? Would hate to set it all up and find out it doesn't work :) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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