On Sat, Mar 27, 2010 at 7:56 PM, Tony Sarendal <[email protected]> wrote: > I'm using supermicro boxes (dmesg below) as vpn routers. IPsec+gre+bgp. > > After a few days uptime the boxes start reporting 8% system cpu, and at the > same time > they become unresponsive on the network approx every 10 seconds. > Any idea on how to find the reason for this is appreciated. > I have around 20 of these boxes running open and freebsd, so far all of the > openbsd boxes > display this behaviour using amd64, i386, sp and mp, 4.6 and various 4.7 > snapshots. > > I only see this on these specific supermicros. This happens on the devices > that don't > move any traffic as well. > > Regards Tony > > bmr0.mlt# ping -i 0.1 172.30.251.230 > 64 bytes from 172.30.251.230: icmp_seq=42 ttl=255 time=0.278 ms > 64 bytes from 172.30.251.230: icmp_seq=43 ttl=255 time=0.328 ms > 64 bytes from 172.30.251.230: icmp_seq=44 ttl=255 time=0.250 ms > 64 bytes from 172.30.251.230: icmp_seq=45 ttl=255 time=402.911 ms > 64 bytes from 172.30.251.230: icmp_seq=46 ttl=255 time=292.374 ms > 64 bytes from 172.30.251.230: icmp_seq=47 ttl=255 time=181.836 ms > 64 bytes from 172.30.251.230: icmp_seq=48 ttl=255 time=71.300 ms > 64 bytes from 172.30.251.230: icmp_seq=49 ttl=255 time=0.255 ms > 64 bytes from 172.30.251.230: icmp_seq=50 ttl=255 time=0.305 ms > > bmr1.mlt# dmesg > [snip]
I'd be looking at the state of your mbufs as well. man netstat -- Aaron Mason - Programmer, open source addict I've taken my software vows - for beta or for worse
