Re: [Xen-devel] Buffers not reachable by PCI

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 14.12.11 at 01:38, "Taylor, Neal E" <Neal.Taylor@xxxxxx> wrote:
> [    0.000000] MFN 0x7f7f->0x7f00

This is clearly indicating the last chunk ends well below the 4G boundary.

> [    0.000000] Placing 64MB software IO TLB between d832cf00 - dc32cf00
> [    0.000000] software IO TLB at phys 0x1832cf00 - 0x1c32cf00
> [    0.000000] software IO TLB at bus 0x1c0f00 - 0x120fdff00

Consequently, the question is how you got to this value, or what
changed between the first and last quoted printouts.

Jan


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