> Hi,
>
> This error appears when I make a TCP connection to `localhost' as
> 127.0.0.1:
>
> TCPv4 bad checksum from 192.168.7.1:803c to 127.0.0.1:0017, len=20/40
>
> Kernel 2.3.21, gcc-2.95.1, binutils snapshot from 991012. Other TCP
> connections to and from outside hosts work fine.
Looks like someone (netfilter?) is changing skb->ip_summed from
CHECKSUM_UNECESSARY to something else.
-Andi
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