Date: Thu, 7 Feb 2002 16:04:15 +1100 From: Andrew Reilly <areilly@bigpond.net.au> To: Archie Cobbs <archie@dellroad.org> Cc: freebsd-stable@freebsd.org, freebsd-net@freebsd.org Subject: Re: mpd-netgraph problem. Message-ID: <20020207160415.A479@gurney.lake> In-Reply-To: <200202062340.g16Netx15097@arch20m.dellroad.org>; from archie@dellroad.org on Thu, Feb 07, 2002 at 10:40:55 %2B1100 References: <20020207092240.A12211@gurney.reilly.home> <200202062340.g16Netx15097@arch20m.dellroad.org>
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Hi Archie, On 2002.02.07 10:40 Archie Cobbs wrote: > Andrew Reilly writes: > > I've another, probably unrelated problem that has surfaced with > > mpd-netgraph in the last couple of months. The work-around is > > simple, which is why it's taken me so long to get around to > > raising the issue. > > > > I start mpd-netgraph at boot time, to create a VPN link to my > > office, with a script /usr/local/etc/rc.d/mpd. That used to > > work fine, and I haven't changed my mpd configuration at all in > > the mean time. > > > > For the last couple of months, though, this has resulted in no > > ng0 node, and a log that looks like: > > > > Feb 5 21:41:46 gurney mpd: mpd: pid 240, version 3.6 (root@gurney.reilly.home 18:28 19-Jan-2002) > > Feb 5 21:41:46 gurney mpd: [vpn] can't create socket node: Exec format error > > This error is probably coming from the KLD module code. I'd say so. > Try making sure the ng_socket(4) KLD is loaded before starting mpd, > or just compiling all your netgraph modules statically into your > kernel.. ? I've just done that: copied all of the option NETGRAPH_* lines from LINT into GURNEY, my kernel config file. There's probably stuff in the kernel that I don't need now (ng_frame_relay, for starters!), but (a) it didn't whinge, and (b) the MS-PPTP VPN link came straight up at re-boot. > As an experiment, you could try replacing the invocation of mpd > in /usr/local/etc/rc.d/mpd to something like 'ngctl ls' and see > if ngctl sees the same error. It did indeed. There has also been another couple of console messages at boot that might bear on the problem: Feb 7 15:20:16 gurney /kernel: module_register: module netgraph already exists! Feb 7 15:20:16 gurney /kernel: linker_file_sysinit "netgraph.ko" failed to register! 17 As you can see, these still happen, but now (probably because all of the modules are compiled in) it isn't causing a problem. This always happened, before the recent kernel config change, because I have always had "options NETGRAPH" (alone) in my kernel config. Well, I have since I started using mpd-netgraph. Presumably this is simple pilot-error: I should either have put all of the netgraph options into my kernel or none. But perhaps this indicates an error with one kldload being taken too strongly, and short-circuiting the loading of subsequent modules? -- Andrew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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