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SubjectRe: 2.6.22-rc6-mm1 Intel DMAR crash on AMD x86_64
On Fri, Jun 29, 2007 at 12:23:53PM -0700, Keshavamurthy, Anil S wrote:

> Since this is IOMMU is built into the kernel and it is good idea to
> report that the device is not present.

Yes - as a debug message.

> The above is printed only once and is consistent with other IOMMU
> implementation. Atleast it is useful when people report bugs we can
> makeout whether IOMMU is being detected or not.

If it was printed that it was detected it was - otherwise, it wasn't.

> Here is what I see on my box.
> [..]
> "PCI-GART: No AMD northbridge found."

You're right, that should be a debug message as well.

> [..]
> Calgary: detecting Calgary via BIOS EBDA area
> Calgary: Unable to locate Rio Grande table in EBDA - bailing!

These are KERN_DEBUG messages.

Cheers,
Muli
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