Re: [PATCH 2/2] sata_nv: fix ATAPI issues with memory over 4GB (v3)

From: Robert Hancock
Date: Wed Nov 14 2007 - 23:07:43 EST


Tejun Heo wrote:
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@xxxxxxx>

applied to #tj-upstream-fixes.


I have a report that these patches crashed but the previous patch worked:

https://bugzilla.redhat.com/show_bug.cgi?id=351451

So there may still be a problem here.
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