[lkml]   [2006]   [Mar]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: PCI-DMA: Out of IOMMU space on x86-64 (Athlon64x2), with solution
On Thu, Mar 02, 2006 at 02:03:48AM +0100, Andi Kleen wrote:

> Nvidia hardware SATA cannot directly DMA to > 4GB, so it has to go
> through the IOMMU.

do you know if that is an actual hardware limitation or simply a
something we don't know how to do for lack of docs?

> And in that kernel the Nforce ethernet driver also didn't do >4GB
> access, although the ethernet HW is theoretically capable.

hrm, again, with a lack of docs is that likely to occur anytime soon?
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-03-03 09:19    [W:0.073 / U:26.996 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site