Re: [Xen-devel] bug: slab corruption (net backend?)

[Bin Ren <bin.ren@xxxxxxxxx>]

Not sure whether this is related or not. Interdomain NFS stops working
with the latest xen-unstable. Haven't taken a closer look though. Last
time the same thing happened was when checksum offloading was added.

- Bin

On 7/11/05, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:
> 
> On 11 Jul 2005, at 14:25, Gerd Knorr wrote:
> 
> >> Can you disable tcp checksum offload (ethtool -K tx off) and see
> >> if you can reproduce this problem?
> >
> > Never seen that again since I've turned off CONFIG_SLAB_DEBUG,
> > which seems to be incompatible with the page mapping the xen
> > backend drivers do.
> 
> Well, I'm not 100% sure of this. It looks like guard bytes aren;t
> placed around slab allocations when slab object size is near a power of
> two. But if guard header/footers are added to our skbuff data objects
> then yes: that will be broken for xen netback.
> 
>   -- Keir
> 
> 
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