[Xen-devel] 3ware 9650 and Xen 3.1

["Philippe Vanhaesendonck" <xen@xxxxxxxxxxx>]

Gents,

Just FYI, I ran into this 3ware 9650 / Xen 3.1 crash, and eventually saw
this thread:
http://lists.xensource.com/archives/html/xen-devel/2007-09/msg00330.html

I confirm that just applying the small changes outlined by keir in the
last mail solves the problem.

I other words, it is the following piece of code in the latest 3w-9xxx.c
3ware driver which makes the difference:

>       if (pci_set_dma_mask(pdev, DMA_64BIT_MASK)
>           || pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))
>               if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)
>                   || pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) {

Compared to the (older) working bit:
> retval = pci_set_dma_mask(pdev, sizeof(dma_addr_t) > 4 ? DMA_64BIT_MASK
: DMA_32BIT_MASK);

-- 
Philippe


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