[Bug 45018] [bisected] rendering regression and va conflicts since added support for virtual address space on cayman v11

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https://bugs.freedesktop.org/show_bug.cgi?id=45018

--- Comment #117 from Alex Deucher <agd5f@xxxxxxxxx> 2012-08-09 18:50:34 UTC ---
(In reply to comment #116)
> 
> And if someone could explain me what this message/addresses means, I'd
> appreciate it. How is it possible that an offset of 0x400000 ends up in a
> reserved area allocated at 0x800000? We must not be offsetting from 0
> obviously.

The first 8 MB of the client's VM space are reserved for kernel use and not
available for the client to use.  The client is not allowed to use an address
below 0x800000.  If an address ends up there, the kernel flags it.  That's the
message you are seeing.

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