Date: Thu, 25 Mar 2010 11:48:02 -0400 From: Mike Tancsa <mike@sentex.net> To: freebsd-stable@freebsd.org Subject: Re: 8-STABLE freezes on UDP traffic (DNS), 7.x doesn't Message-ID: <201003251548.o2PFmHMH028420@lava.sentex.ca> In-Reply-To: <886B21E1787F0003B89E34B6@[192.168.1.44]> References: <4BAB718C.3090001@fsn.hu> <886B21E1787F0003B89E34B6@[192.168.1.44]>
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At 11:39 AM 3/25/2010, Michael Loftis wrote: >--On Thursday, March 25, 2010 3:22 PM +0100 Attila Nagy <bra@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. There were also a bunch of commits last night for the bce driver. If its the NIC in RELENG_8, perhaps those bug fixes might help <http://lists.freebsd.org/pipermail/svn-src-stable-8/2010-March/001804.html>http://lists.freebsd.org/pipermail/svn-src-stable-8/2010-March/001804.html http://lists.freebsd.org/pipermail/svn-src-stable-8/2010-March/001803.html ---Mike >_______________________________________________ >freebsd-stable@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-stable >To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" -------------------------------------------------------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet since 1994 www.sentex.net Cambridge, Ontario Canada www.sentex.net/mike
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