Date: Sat, 15 Feb 2014 19:32:39 -0700 From: Kevin Bowling <kevin.bowling@kev009.com> To: freebsd-net@freebsd.org Subject: Re: FreeBSD 10 network flapping, ix driver unreliable? Message-ID: <ldp7vp$hf7$1@ger.gmane.org> In-Reply-To: <61748F81-A763-4504-BC81-132D394F0170@neville-neil.com> References: <ldohqb$s2c$1@ger.gmane.org> <61748F81-A763-4504-BC81-132D394F0170@neville-neil.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 2/15/2014 4:43 PM, George Neville-Neil wrote: > > On Feb 15, 2014, at 15:14 , Kevin Bowling <kevin.bowling@kev009.com> wrote: > >> Hi, >> >> I have FreeBSD 10.0-RELEASE installed on two Dell C6100 nodes. Each node has an Intel X520-DA2 dual port 10gig card. One of the ports on each go to a switch using direct attach coaxial cables. The other port is directly connected between the two nodes (think crossover in twisted pair terminology) again using direct attach coaxial cables. >> >> On both machines, and on both ports (including the "crossover"), the links flap several times per day. >> >> I've pasted the output of lspci -vv and dmesg here: >> https://gist.github.com/kev009/9024442 >> >> There's nothing outstanding about the setup otherwise. I suspected some interaction with the switch initially but the "crossover" has eliminated that suspicion. >> >> It seems the ix driver is not very reliable under common conditions, i.e. https://forums.freebsd.org/viewtopic.php?f=7&t=44570 and a search of this list. Any recommendations or tests? >> > > Can you post (to your gist link) the output of sysctl dev.ix ? Hi George, sysctl info added to gist link. ix0 has been up for around 27 days. ix1 for about 24hrs. Regards, Kevin Bowling
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?ldp7vp$hf7$1>