Bug#608144: linux-image-2.6.32-5-xen-amd64: Kernel oops: net/core/dev.c:1582 skb_gso_segment+0x109/0x263() (Bug #596802 reappeared)

[Ben Hutchings <ben@decadent.org.uk>]

On Wed, Jan 05, 2011 at 09:34:02AM +0000, Ian Campbell wrote:
[...]
> > GRO is a specific software implementation of LRO that preserves enough
> > information that it is safe to bridge/forward the resulting skb.  The
> > original packets can be reconstructed on transmit (usually through TSO,
> > otherwise through GSO).
> 
> Thanks I'd been wondering if that was the case.
> 
> Out of interest, does it reconstruct the exact original packets or just
> one of the possible valid segmentations of the LRO SKB?
[...]

It reconstructs the exact same packets, modulo header fields that
are supposed to be modified on forwarding.

Ben.

-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus