Date: Tue, 30 Mar 2010 11:07:10 -0700 From: Pyun YongHyeon <pyunyh@gmail.com> To: Attila Nagy <bra@fsn.hu> Cc: Jonathan Feally <vulture@netvulture.com>, Mailing List FreeBSD Stable <freebsd-stable@freebsd.org>, Michael Loftis <mloftis@wgops.com> Subject: Re: 8-STABLE freezes on UDP traffic (DNS), 7.x doesn't Message-ID: <20100330180710.GM1473@michelle.cdnetworks.com> In-Reply-To: <4BB21F79.5060807@fsn.hu> References: <4BAB718C.3090001@fsn.hu> <886B21E1787F0003B89E34B6@[192.168.1.44]> <4BB087B7.3030602@fsn.hu> <20100329183848.GE1473@michelle.cdnetworks.com> <4BB0FDC6.7050105@fsn.hu> <20100329194131.GG1473@michelle.cdnetworks.com> <4BB1CFD1.9040602@fsn.hu> <4BB21EA7.4080107@netvulture.com> <4BB21F79.5060807@fsn.hu>
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On Tue, Mar 30, 2010 at 05:57:45PM +0200, Attila Nagy wrote: > Jonathan Feally wrote: > > Attila Nagy wrote: > >>>>>> 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 > >>>>>> > > I also have had my network go dead on a recent 8.0-STABLE on bge > > system. Console is alive, but network just stops. I am running it as a > > router with untagged on bge0 and nat of traffic on vlan201 tagged on > > top of bge1. I haven't had it lock up in 3 days, but I will try the > > -txcsum and -rxcsum on both interfaces to see if the problem still > > persists or not. I do have a lot of tcp traffic, but there is also > > unsolicited udp flying in as well. > Well, it's a short time to judge from, but with rx,txcsum disabled, the > machine froze nearly instantly (less than one hour of uptime), while > with tso disabled, it still works. > So for now I think tso causes the problems. > BTW, now that we are talking about that, I remember that I've disabled > it on a lot of machines previously, because I've had strange issues. Would you show me the dmesg output(only bce(4) part)?
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