On Sat, 8 Dec 2001, James Stevenson wrote: > > > > > > > > > > > 2. Can a buffer overrun be compensated for by tuning kernel / > > card settings / driver parameters? > > not really though in your case it might be able to because its on the TX > if they are on the RX you cannot controll what is sent to the computer > form the computer well not in current kernels this is going to be included > in 2.5.x kernels because it is still currently a problem. > > > 3. I dont follow what you mean by "..should not get 1 on the TX > > stats.". Where else would an overrun be reported? > > the strange thing is you should not be able to get a buffer overrun on > a transmit because it kind of works something like this on a simple NIC > from a driver > > 1 setup DMA / packet to send > 2 tell the card to transmit and use DMA or > else copy the packet to the card via PIO > 3 wait for notice from the card about sending info > eg wether there was an error (media / timeout etc..) > then the packet has been sent or not. > > thus is is almost impossible to get a buffer overrun > unless these are not what i am thinking about what > NIC are you using ? > and did you get anything in the dmesg output ? > > James, Nope. Nothing in the dmesg. I forget the brand of the NIC, but it uses the tulip driver. The chip in question is the Comet chip. Thanks, Kenneth - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
