RE: RE: RE: RE: [Xen-devel] AGP problems with 2.0.5

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> The last message is from this piece of code:
> drm_vm.c:636 @ drm_mmap()
> 
>                 DRM_DEBUG("   _DRM_REGISTERS: remap_pfn_range()\n");
>                 if (remap_pfn_range(DRM_RPR_ARG(vma) vma->vm_start,
>                                      (VM_OFFSET(vma) + 
> offset) >> PAGE_SHIFT,
>                                      vma->vm_end - vma->vm_start,
>                                      vma->vm_page_prot))


Remap_pfn_range will only work on RAM pages that have been marked
PageReserved.
It would be interesting to know what's going on within remap_pte_range.

If you use CONFIG_SMP on unstable.bk the errors should be synchronous.  

Ian


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