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Re: skb allocation problems (More Brain damage!)

To: Bart Trojanowski <bart@xxxxxxxxx>
Subject: Re: skb allocation problems (More Brain damage!)
From: Andi Kleen <ak@xxxxxxx>
Date: Wed, 11 Apr 2001 20:25:12 +0200
Cc: Imran.Patel@xxxxxxxxx, ak@xxxxxxx, netfilter-devel@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <Pine.LNX.4.30.0104111343380.31460-100000@localhost>; from bart@xxxxxxxxx on Wed, Apr 11, 2001 at 01:47:18PM -0400
References: <2D6CADE9B0C6D411A27500508BB3CBD063CF2D@eseis15nok> <Pine.LNX.4.30.0104111343380.31460-100000@localhost>
Sender: owner-netdev@xxxxxxxxxxx
User-agent: Mutt/1.2.5i
On Wed, Apr 11, 2001 at 01:47:18PM -0400, Bart Trojanowski wrote:
> 
> Coudl the problem be in the NIC driver not in the alloc_skb?  I have used
> both 2.4.{1,3} for some time and never seen this corruption.  I use ping
> -f with various packet sizes for stress testing my IPSec boxes... these do
> quite a bit of extra skb creation as an IPSec header sometimes does not
> fit in the original skb.  No problems yet.
> 
> My gut tells me to blame the NIC driver of the NIC itself.

The NIC is not directly involved in alloc_skb() (except maybe if it corrupts
internal data structures of the allocator) 

-Andi

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