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Re: possible bug x86 2.4.2 SMP in IP receive stack

To: feldy@xxxxxxxx (Bob Felderman)
Subject: Re: possible bug x86 2.4.2 SMP in IP receive stack
From: kuznet@xxxxxxxxxxxxx
Date: Sun, 25 Feb 2001 22:23:57 +0300 (MSK)
Cc: netdev@xxxxxxxxxxx
In-reply-to: <200102232259.OAA20943@frisbee.myri.com> from "Bob Felderman" at Feb 24, 1 02:15:01 am
Sender: owner-netdev@xxxxxxxxxxx
Hello!

> Note that this is using a Myrinet network

What driver do you use? Such things are almost 100% explained
by double dma on one skb or by some other kind of memory corruption.


> Feb 23 12:42:30 rcc2 kernel: Warning: kfree_skb passed an skb still on a list 
> (from c01f58dc).

Oops backtrace is better source of information, by the way.

Alexey

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