On Thu, 28 Aug 2003 22:24:52 +0200
Hannes Schulz <[EMAIL PROTECTED]> wrote:

> >Could the problem be that the e100 can do IP receive checksumming on 
> >the board,
> >but the eepro driver doesn't enable it.  When the board is doing checksum
> >offload, then the csum field isn't set.
> >
> >Please try disabling receive checksumming on the e100 driver
> >
> >     modprobe e100 XsumRX=0
> >
> >If this is the problem, it exists both 2.4 and 2.6.
> 
> Indeed: with  XsumRX=0,0 the BUG doesn't happen. I put some debugging 
> code in dev.c:

Looks like bridging is taking an input packet, transmitting it but not
initializing skb->csum, skb->ip_summed, and other fields before doing
so.

Definitely a bridging bug.
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