On Sat, 2012-08-18 at 00:01 +0300, Aaro Koskinen wrote:

b43-pci-bridge 0001:01:01.0: Warning: IOMMU window too big for device
mask
b43-pci-bridge 0001:01:01.0: mask: 0x3fffffff, table end: 0x80000000
b43-phy0 ERROR: The machine/kernel does not support the required
30-bit DMA mask

Hrm, odd, I though we had the iommu allocator sorted to handle that case
a while back. Maybe that got broken. I can try to have a look but poke
me in a week or so if you don't hear from me.

Unless somebody else beat me to it which would be much welcome :-)

Cheers,
Ben.