Hello, I use the same stack: Carp on vlan on trunk on physical, There is no backtrace its a complète server freeze (im on a serial), i would prefer a ddb but there isn't
Loic Blot Le 6 mai 2013 à 06:59, David Gwynne <da...@gwynne.id.au> a écrit : > do you have a real serial console hooked up to the machines? more > specifically, can you break into ddb when the machine breaks and get a trace? > > i use carp on vlans on lacp trunks on top of myx(4) and em(4) "quite a lot" > without trouble, so its likely to be bge(4) if you ask me. unfortunately that > means its my fault or responsibility. > > if you could get a trace to verify, that would be much appreciated. > > cheers, > dlg > > On 05/05/2013, at 4:11 AM, Loïc Blot <loic.b...@unix-experience.fr> wrote: > >> Hello misc. >> On thursay i have upgraded one of our BGP border routers to OpenBSD 5.3, >> and i was pleased to get the BCM5720 working. I have added it to >> existing LACP trunk for LAN (2 LACP, 2 ports on WAN 4 on LAN now). >> There is no problem on this router. >> >> Today, i want to upgrade exactly same model (Dell R320 with PCI Intel >> CARD and BCM5720 on motherbroad plus PCI BCM5720), and i have some very >> problematic issues. OpenBSD upgrade works like a charm, but when i use >> LACP with broadcom cards, after a moment, system totally freeze and >> nothing responds (on ssh connect but also on the server screen and >> keyboard). >> On this router ports must be agregated by 3 (3 for LAN 3 for DMZ), then >> each trunk have 1 intel port and 2 broadcom ports. >> I have tried two configuration, same BCM5720 card in the trunk and 1 >> port from each card. Same problem appears. >> To finish, i have disabled all ports except working Intel card, but the >> problem also occurs.... The only solution i have found to get server >> working is to up bge1 and bge2 and down other interfaces (on the CISCO >> 2960G switch, ios 12.2(55)SE3), it's the only case when server doesn't >> freeze. >> When i do each try and i think it was a success i waited 5 min and >> problem occurs, or problem occurs when i reboot the machine. >> >> Other detail, the working router with BCM 5720 is between an Alcatel >> 6850 and a CISCO 4507 (Supervisor IV, ios 12.2(54)SG) >> >> OpenBSD mustn't freeze totally, i think something is missing on BCM >> driver or on LACP handling or maybe BCM + LACP + CARP isn't a good idea >> but i haven't any choice :s >> >> Thanks for advance. >> -- >> Best regards, >> >> Loïc BLOT, Engineering >> UNIX Systems, Security and Networks >> http://www.unix-experience.fr
