Re: [Xen-devel] Network freezing for paravirt linux, 3.0.3

[Andres Lagar Cavilla <andreslc@xxxxxxxxxxxxxx>]

Patching the tx_add_credit function worked like a charm.
Thanks a lot!

Andres

Keir Fraser wrote:

> On 28/11/06 15:08, "Andres Lagar Cavilla" <andreslc@xxxxxxxxxxxxxx> wrote:
>
>  
>
> > It thus looks like the culprit is netfront, or possibly a
> > netback/netfront interaction (Q: is netback employed in the qemu-dm
> > emulation path, or packets are simply relayed from the tap to vifX.Y?).
> > I would love to provide more information, but I'm unsure where to get it.
> >    
> What version of netback are you running? The one from the 3.0.3 release is
> known to have a bug which would cause high-bandwidth transfers to stall.
>
> The offending function is netback.c:tx_add_credit(). You should be able to
> take the version from xen-unstable and copy it into whatever version of
> netback.c you are using.
>
> -- Keir
>
>  

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