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

[Keir Fraser <keir@xxxxxxxxxxxxx>]

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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