| To: | Bob Felderman <feldy@xxxxxxxx> |
|---|---|
| Subject: | Re: [Fwd: Re: possible bug x86 2.4.2 SMP in IP receive stack] |
| From: | Pekka Pietikainen <pp@xxxxxxxxxxxxxx> |
| Date: | Tue, 6 Mar 2001 21:15:30 +0200 |
| Cc: | andrewm@xxxxxxxxxx, kuznet@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx |
| In-reply-to: | <200103061854.KAA03475@xxxxxxxx> |
| References: | <200103061854.KAA03475@xxxxxxxx> |
| Sender: | owner-netdev@xxxxxxxxxxx |
On Tue, Mar 06, 2001 at 10:54:22AM -0800, Bob Felderman wrote: > a 1.5Gigabit/sec udp stream. It might be possible to reproduce this > using 100Mbit ethernet, but it might require 1gbit ethernet with jumbo > frames. I'm currently using a 9000 bytes MTU. Our interrupt routine > will deliver only a single ethernet packet to the higher levels > for each interrupt, so maybe that also stresses the IP fragmentation > code. Verified on Alteon GigE (1500 byte frames seemed to be ok, 9000 killed the receiver) using the script&/proc settings. I'd have to do some walking to get the Oops so I'll do that tomorrow :) -- Pekka Pietikainen |
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