eth0: FIFO buffer overflow

[Sean Straus]

I was (and possibly still am) having similar problems with masquerading and
dual 3c9x network cards and RH5.1. First thing I did was switch the interrupts
around alot (although there were no glaring conflicts), and took alot of cards
out of my machine.. Seemed to help some, but I still had a couple intermittent
crashes. Next I recompiled the kernel with the latest driver, and took out
some support for some SCSI and network cards and that's seemed to help for
now.. But I've been being gentle ;^).

Owen Lynn wrote:

> I'm running Caldera 1.1 base using the 2.0.33 kernel. I have two 905B's in
> the thing. I'm using it as an IP masquerading firewall, and it gets a fair
> amount of traffic. The interfaces come up fine, and the box routes for a
> while,
> anywhere from 4 hours to 1 day. Then, I get a series of messages on the
> console:
>
> eth0: ..., FIFO buffer overflow (hex number), ...
>
> followed by a complete lockup of the system. The only way to get it out of
> that state is to hard reset and/or power cycle.
>
> Does anyone out there have a clue as to what's going on? How do I fix this?
>
> /*\
>  * Owen Lynn
>  * System Engineer
>  * mailto:olynn@semio.com
>  * http://demo.semio.com/semio
> \*/

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