Re: xen DMA bug

[Chris Wright]

* Lee Revell (rlrevell@xxxxxxxxxxx) wrote:
> An ALSA user has found a Xen bug where it fails to accept a 28 bit DMA
> mask (pci_set_dma_mask(pci, 0x0fffffff) < 0 ||
> pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) fails:
> 
> https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1907

Likely swiotlb range is above the mask.  I'd suggest to reporter to
file in the Fedora bugzilla under kernel-xen (with dmesg output).

thanks,
-chris
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