Hi, Michael Loftis wrote: > > > --On Thursday, March 25, 2010 3:22 PM +0100 Attila Nagy <b...@fsn.hu> > wrote: > > <...> >> Both unbound and python accepts DNS requests, and it seems when 25% >> interrupt happens, only unbound is in *udp state, where it is 50%, both >> programs are in that state. > > Try turning of hardware TSO/checksum offload if it's availble on your > chipset? ifconfig <interface> -rxcsum -txcsum -tso -- I'm only using > nfe chips right now, but w/ the TSO/CSUM on they lock up constantly > under high load. We're pretty sure it's mostly the nfe driver, or the > chips themselves, but have never ruled out some generic 8.x hardware > offload issues. Bingo, this solved the problem. The current uptime nears four days. Previously I couldn't go further than a day.
The machine gets very light TCP load (and other machines which get work well), so I guess it's UDP RX or TX checksum related. _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
