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Re: [Xen-devel] kernel BUG at net/core/dev.c:1133!

To: Patrick McHardy <kaber@xxxxxxxxx>
Subject: Re: [Xen-devel] kernel BUG at net/core/dev.c:1133!
From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Sat, 8 Jul 2006 12:04:45 +1000
Cc: "Petersson, Mats" <Mats.Petersson@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, davem@xxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx
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On Fri, Jul 07, 2006 at 10:06:08PM +0200, Patrick McHardy wrote:
> Are you refering to this code in ip_nat_fn()?
>         /* If we had a hardware checksum before, it's now invalid */
>         if ((*pskb)->ip_summed == CHECKSUM_HW)
>                 if (skb_checksum_help(*pskb, (out == NULL)))
>                         return NF_DROP;

Yep that's the one.

> Doing incremental updates should work fine. This is something
> I wanted to take care of at some point, but didn't get to it
> yet.

No worries.  I'm going to do a workaround to fix the checksums in
GSO for now.

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