[ofa-general] Re: InfiniBand card (mthca) in Linux

[Lukas Hejtmanek]

On Mon, Jul 09, 2007 at 08:30:06AM -0700, Roland Dreier wrote:
>  > ib_mthca 0000:08:00.0: Page phys. addr 0000000026695000, virt ffff880098b00000
>  > ib_mthca 0000:08:00.0: Page phys. addr 0000000026694000, virt ffff880098b01000
> 
> And what do you get back from pci_map_sg() for this order >0 page?
> 
> Unfortunately I guess there's no way to see if the pci_map_sg()
> implementation has taken into account the full size of the scatterlist
> entry.

Well, using swiotlb=force (which turns on the bounce buffers) I do not get
oops any more. On the other hand, I got some oopses in memcpy of the bounce
buffers which I try to solve with Xen developpers.

-- 
Lukáš Hejtmánek