[Xen-users] Re: VT-D On An Asus P5E-VM DO

[Michael MacLeod <mikemacleod@xxxxxxxxx>]

On Wed, Sep 23, 2009 at 10:37 AM, Christian Tramnitz <christian@xxxxxxxxxxxx> wrote:

While corrupted tables or checksum errors are not really the greatest thing on earth they are not neccessarily an indicator for broken functionality.
My X58 board also reports checksum errors (just like the Q35, see below) on various tables but everything is working as expected.

Do you have any USB devices connected? I had problems mit my X58 once, where I could only get DMAR correctly parsed if USB was completely disabled in the BIOS. I've got a corrected BIOS from Asus that fixed that, but haven't seen the same problem on the Q35 (P5E), but that might be just because I never used USB at all on that board...

I tried disabling USB in the BIOS completely but that didn't have any effect, I still get the same error message and VT-D is still disabled. Is it odd that the ACPI tables you have are different from the one I have? Are they generated at boot based on the options enabled, or are they flashed in when the BIOS is installed?

Any other ideas on what I could try?

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