Re: AMD64 dma_alloc_coherent crashes on non PCI device (was SATA open bugs)

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> You cannot allocate a dma_coherent buffer without passing in the correct
> underlying device ... on parisc we'd explode trying to find the iommu to
> map through (some of our hw has more than one).

We do pass the correct underlying device. Then dma_alloc_coherent oopses
on x86_64 if you pass some valid devices (eg pcmcia). 

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