Date: Mon, 29 Mar 2010 14:04:36 +0200 From: Attila Nagy <bra@fsn.hu> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-stable@freebsd.org Subject: Re: 8-STABLE freezes on UDP traffic (DNS), 7.x doesn't Message-ID: <4BB09754.3050309@fsn.hu> In-Reply-To: <201003251548.o2PFmHMH028420@lava.sentex.ca> References: <4BAB718C.3090001@fsn.hu> <886B21E1787F0003B89E34B6@[192.168.1.44]> <201003251548.o2PFmHMH028420@lava.sentex.ca>
next in thread | previous in thread | raw e-mail | index | archive | help
Mike Tancsa wrote: > 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 > I saw them, but they didn't seem to be related. I've just tested it, and my assumptions were correct. A fresh 8-STABLE also freezes.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4BB09754.3050309>