On Thu, Aug 10, 2000 at 07:38:47PM -0700, Leo Dagum wrote:
> > > Doing the traffic in reverse automatically fills in the hardware
> > > address of the machine that the arp request came from. This tends to
> > > hide the RX overrun problem.
> > And indeed we tend to have RX overrun problem with this driver. I can
> > easily blow my Origin off the net by just floodpinging it for a few
> > seconds. In such a case the IOC3 will deactivate RX and signal an
> > interrupt. The driver handles this by trying to reinitialize everything
> > but somehow this often doesn't work.
> When the driver reinitializes everything, that includes the dma buffers.
> So if, e.g. the driver is also xmit'ing a packet when it gets the
> error, the xmit will fail and panic the system because the dma
> buffer disappears between getting set up and getting xmitted.
> Not sure if that's the problem you see, but I've certainly seen
> that happen.
That's definately not what's going on in this case.