Re: 3.3 box stops responding to network activity...

#1 (**permalink**) 02-16-2008, 04:30 AM

"Anthony Roberts"

> I have an OpenBSD box that stops responding to network activity, seemingly
> at random. When I go to check on it at the console it's fine, and then it
> starts working again. Sometimes it starts working by itself. I didn't have
> this problem with the same computer running Linux (Slackware 9.0). I've
> tried to get to it from an OS X box and an XP box on the same network.
This
> fails, but those boxes can reach each other during the test. They're all
> connected to the same switch on non-uplink ports.
>
> I googled around for a bit, and people with identical symptoms have been
> told it's probably an APM issue. That's the only thing I could find. So I
> disabled all the power saving features in the BIOS, and used config -e to
> disable apm, as suggested by the stuff I found. That didn't solve the
> problem.
>
> People have also had watchdog timer problems with RealTek 8139 but I
grepped
> all the logs and didn't find any instances of "watchdog".
>
> So, I'm a bit strapped for ideas. I would appreciate any suggestions.
>
> dmesg output follows, but here's the short version:
>
> OpenBSD 3.3 with the generic kernel
> No software installed that's not from ports.
> Pentium II 400 MHz
> ASUS P2B with BIOS version 1006
> 128 mb ECC PC-100 memory
> 6 gig Seagate Medalist Pro drive
> 2.1 gig WD drive
> HP CD-Writer+ 9300
> ATI Rage Pro AGP 4 mb
> Realtek 8139 10/100 NIC
> SB AWE64 ISA sound card
>
>
> My appologies if I've missed something obvious. I'm new to OpenBSD.

Maybe replace the NIC? I've had the same problem with an onboard HP nic a
few months ago. The NIC kept on restarting every x time somehow. I replaced
the board and after that everything was fine.

Cheers,
Joris

#2 (**permalink**) 02-16-2008, 04:31 AM

Try this one maybe ? If traffic on a network interface stops for no
apparent reason, this may also be a sign that you need to increase the
value of NMBCLUSTERS.

option NMBCLUSTERS=8192

http://www.openbsd.org/faq/faq11.html#Network

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