openbgpd + 8.0

[Li, Qing]

Just to be a bit more specific, in r196714 /sys/netinet/in.c:

       /* QL: XXX
1090    * Report a blank rtentry when a route has not been
1091    * installed for the given interface address.
1092    */
1093 	


-- Qing


> -----Original Message-----
> From: owner-freebsd-net at freebsd.org [mailto:owner-freebsd-
> net at freebsd.org] On Behalf Of Li, Qing
> Sent: Sunday, November 22, 2009 10:40 AM
> To: Adam Jacob Muller; freebsd-net at freebsd.org
> Subject: RE: openbgpd + 8.0
> 
> I am not sure if what you are observing is a side effect of
> svn-r196714. In particular, the code I added for:
> 
> --------------------
> - Routing messages are not generated when adding and removing
>   interface address aliases.
> --------------------
> 
> If my memory serves me right, I put in the above patch for SCTP.
> I'd be happy to work with you offline and confirm either way...
> 
> -- Qing
> 
> 
> > -----Original Message-----
> > From: owner-freebsd-net at freebsd.org [mailto:owner-freebsd-
> > net at freebsd.org] On Behalf Of Adam Jacob Muller
> > Sent: Saturday, November 21, 2009 6:33 PM
> > To: freebsd-net at freebsd.org
> > Subject: openbgpd + 8.0
> >
> > Hi,
> > I have an openbgpd running on an 8.0 box where openbgpd crashes
> (exits
> > silently) whenever an interface on the system (vlan/tun/tap s are
> > dynamically created here) is removed.
> >
> >
> > I've traced the error back to kroute.c:dispatch_rtmsg_addr
> >
> > if ((sa = rti_info[RTAX_DST]) == NULL) {
> >
> >
> > This check is failing, which returns -1, which is passed up
> > (dispatch_rtmsg up to kr_dispatch_msg up to bgpd.c main() whcih sets
> > exit=1).
> > Unfortunately, this is quickly approaching
> >
> > Any idea what exactly is going on here?
> >
> > I'm not 100% sure but I think this is a regression from 7.x, I don't
> > have any 7.x systems I can test this on at the moment unfortunately.
> >
> > I've subverted this check by, simply, not setting quit=1 in main.c
> when
> > kr_dispatch_msg() fails, and everything SEEMS to operate normally,
> i'm
> > kinda curious to hear thoughts on this though...
> >
> >
> > -Adam
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