Another IX using OpenBGPd here and I love seeing development on it and support of it!
----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com Midwest Internet Exchange http://www.midwest-ix.com ----- Original Message ----- From: "Thorleif Wiik [BCIX]" <thorleif.w...@bcix.de> To: "Thorleif Wiik [BCIX]" <thorleif.w...@bcix.de>, misc@openbsd.org Sent: Wednesday, November 25, 2015 4:45:52 PM Subject: Re: OpenBGPd on OpenBSD 5.8 crashing during startup Hi, @Claudio : Thanks, I'll send you a private message with a download link for core- and logfile. @Sebastian: Yes, we definitely should keep in touch to help BCIX to stay with OpenBSD and not to fly away... @Peter, Thanks for the tip! As this was a production server and I had to restore the service I installed 5.7 which is working. I'll order another third route server (which was approved today :-) to have a better testing environment with 5.8. Hope it will not last too long with delivery... Thorleif On Wed, Nov 25, 2015 at 9:50 PM, Claudio Jeker <cje...@diehard.n-r-g.com> wrote: > On Wed, Nov 25, 2015 at 05:08:27PM +0100, Thorleif Wiik [BCIX] wrote: > > Hi, > > > > OpenBGPd on OpenBSD 5.8 (with all patches applied) is crashing during > > startup. > > > > On a second box with 5.7 and the same hardware/configuration there are no > > problems. > > OpenBGPd is configured as route-server with 118 v4/v6 peers and about > 35300 > > IPv4 > > and 14800 IPv6 routes. > > > > > > Any tips for configuration changes to prevent this on 5.8? > > Something in the session engine corrupted some memory, now the question is > what. Is it possible to get a backtrace of the session engine? > See sysctl(8) at the bottom on how to use kern.nosuidcoredump=3 to get a > core file. > > Wonder if the SE is printing something before it explodes. Is it possible > to get more of the log? > > The poll fd errors are a red herring because this is a case where errno is > not previously set and so it should not print it. See diff at the end of > this mail. > > > Nov 25 13:41:41 route-server bgpd[22856]: startup > > Nov 25 13:41:41 route-server bgpd[22856]: rereading config > > Nov 25 13:41:41 route-server bgpd[30006]: route decision engine ready > > Nov 25 13:43:34 route-server bgpd[30006]: RDE reconfigured > > > > .. many many prefixes > > > > Nov 25 13:45:45 route-server bgpd[30006]: handle_pollfd: poll fd: No > buffer > > space available > > Nov 25 13:45:45 route-server bgpd[30006]: RDE: Lost connection to SE > > Nov 25 13:45:46 route-server bgpd[30006]: handle_pollfd: poll fd: No > buffer > > space available > > Nov 25 13:45:46 route-server bgpd[30006]: RDE: Lost connection to SE > control > > Nov 25 13:45:46 route-server bgpd[22856]: handle_pollfd: poll fd: Invalid > > argument > > Nov 25 13:45:46 route-server bgpd[22856]: main: Lost connection to SE > > Nov 25 13:45:46 route-server bgpd[22856]: Lost child: session engine > > terminated; signal 11 > > Nov 25 13:45:46 route-server bgpd[30006]: route decision engine exiting > > > > > > > > Thanks, Thorleif > > > > > > -- > > Thorleif Wiik, CTO > > thorleif.w...@bcix.de > > > > Tel: +49 160 90378641 > > > > BCIX Management GmbH / BCIX e.V. > > Stromstrasse 5 > > 10555 Berlin - Germany > > > > http://www.bcix.de/ > > https://twitter.com/bcix <http://twitter.com/bcix> > > https://www.facebook.com/BCIX.Internet.Exchange > > > > -- > :wq Claudio > > > Index: bgpd.c > =================================================================== > RCS file: /cvs/src/usr.sbin/bgpd/bgpd.c,v > retrieving revision 1.182 > diff -u -p -r1.182 bgpd.c > --- bgpd.c 20 Nov 2015 23:26:08 -0000 1.182 > +++ bgpd.c 25 Nov 2015 20:47:34 -0000 > @@ -903,21 +903,21 @@ handle_pollfd(struct pollfd *pfd, struct > > if (pfd->revents & POLLOUT) > if (msgbuf_write(&i->w) <= 0 && errno != EAGAIN) { > - log_warn("handle_pollfd: msgbuf_write error"); > + log_warn("imsg write error"); > close(i->fd); > i->fd = -1; > return (-1); > } > > if (pfd->revents & POLLIN) { > - if ((n = imsg_read(i)) == -1) { > - log_warn("handle_pollfd: imsg_read error"); > + if ((n = imsg_read(i)) == -1 && errno != EAGAIN) { > + log_warn("imsg read error"); > close(i->fd); > i->fd = -1; > return (-1); > } > - if (n == 0) { /* connection closed */ > - log_warn("handle_pollfd: poll fd"); > + if (n == 0) { > + log_warnx("peer closed imsg connection"); > close(i->fd); > i->fd = -1; > return (-1); > -- Thorleif Wiik, CTO thorleif.w...@bcix.de Tel: +49 160 90378641 BCIX Management GmbH / BCIX e.V. Stromstrasse 5 10555 Berlin - Germany http://www.bcix.de/ https://twitter.com/bcix <http://twitter.com/bcix> https://www.facebook.com/BCIX.Internet.Exchange
