8-STABLE freezes on UDP traffic (DNS), 7.x doesn't

[Pyun YongHyeon]

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)?