Robert Hancock wrote:
: It looks like this controller only supports 32-bit DMA addresses. For
: some reason it's trying to feed in an SG list with addresses over 4GB,
: which fails. I'd think this configuration should work, but maybe not?
It worked in 2.6.15-rc2.
: It looks like you have IOMMU turned off - I think you'll really want to
: turn that on with that much RAM (12GB). Even if this case did work as
: well as it could, without IOMMU the kernel would have to bounce-buffer
: the data below 4GB which will kill performance.
Yes, I had problems with IOMMU in the past, so I used to run the
kernel with IOMMU turned off. Now I have turned it back on, and so far
it is working correctly. However, I think the 3ware driver should work even
with iommu=off (as it used to in 2.6.15-rc2).
-Yenya
--
| Jan "Yenya" Kasprzak <kas at {fi.muni.cz - work | yenya.net - private}> |
| GPG: ID 1024/D3498839 Fingerprint 0D99A7FB206605D7 8B35FCDE05B18A5E |
| http://www.fi.muni.cz/~kas/ Journal: http://www.fi.muni.cz/~kas/blog/ |
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> are the biggest waste of time you can ever have. --Linus Torvalds <
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