At 11:39 AM 3/25/2010, Michael Loftis wrote:
--On Thursday, March 25, 2010 3:22 PM +0100 Attila Nagy <[email protected]> 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
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Mike Tancsa, tel +1 519 651 3400
Sentex Communications, [email protected]
Providing Internet since 1994 www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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