Re: [Xen-devel] PCI passthrough issue

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

> >> extra = "root=/dev/mapper/xps--106-root ro iommu=soft swiotlb=force
> >> console=hvc0 xencons=tty"
> > 
> > Try without 'swiotlb=force' on any kernel that is PVOPS. Only the older
> > ones (lenny) required that. And you don't need 'xencons=tty' either with
> > PVOPS kernels.
> Thought I already tried without 'swiotlb=force', but seems not...
> 
> Just tried it on my Debian domU, and everything works now, whatever
> copybreak value can be.
> 
> But trying the same with OpenWRT gives following results:
> - With 'swiotlb=force': fails for size equal or greater than 128 bytes
> (or ping -s86)
> - Without 'swiotlb=force': always fails
> 
> I can provide OpenWRT disk img and kernel. For Debian domU, I can
> provide a dd from LVM and kernel. Let me know which ones you want.

Lets do both. Do you know where the sources for OpenWRT are located?

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