Comment 37 for bug 91966

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Jamie Lokier (jamie-shareable) wrote : Re: [Bug 91966] Re: screen artifacts after resume, part row of pixels in error (945GM)

Peter Clifton wrote:
> Jamie.. 32bit or 64bit?

32-bit CPU, Core Duo.

> (EE) intel(0): Non-contiguous GTT entries: (6295552,0x163ffbe000) vs (131072,0x 3f820000)
> ^ Greater than 32 bits... (ok, a 32bit processor can do this math, but it is an interesting result given the code)
>
> The code operates using the uint64_t type, however on anything but G33
> class and 965 HW, the page table bits which correspond to an address
> space > 32bits are masked out. Something "strange" is going on with the
> above message. By my reading of the code, this shouldn't happen if
> you've got a 945GM

That's a pretty clear bug then. It's always nice to have a clear bug.