Messages in this thread | | | Date | Tue, 04 Dec 2007 17:17:08 -0500 | From | Jeff Garzik <> | Subject | Re: [PATCH] sata_nv: fix ADMA ATAPI issues with memory over 4GB (v3) |
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Robert Hancock wrote: > This fixes some problems with ATAPI devices on nForce4 controllers in ADMA mode > on systems with memory located above 4GB. We need to delay setting the 64-bit > DMA mask until the PRD table and padding buffer are allocated so that they don't > get allocated above 4GB and break legacy mode (which is needed for ATAPI > devices). > > Signed-off-by: Robert Hancock <hancockr@shaw.ca>
This is a bit nasty :/
I would consider setting the consistent DMA mask to 32-bit, and setting the overall mask to 64-bit.
Seems like that would solve the problem?
Also, does this need to be rebased on top of what I just pushed upstream?
Jeff
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