RE: [Xen-devel] Failure to get memory for GATT table, again

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

> I seem to have narroved the problem down to the function 
> direct_remap_area_pages() which fails on an MMU update.
> 
> Xen tells me about this, in:
> 
> (XEN) 
> (file=/mnt/hda3/home/jacobg/xeno-unstable.bk/xen/include/asm/mm.h, 
> line=157) Error pfn 0003ff40: ed=fc599260, sd=fc5996a0, caf=80000002, 
> taf=f0000001

You're trying to do this in dom0, right? Do you have any other domains
running? 
If so, use the 'q' debug key to find out the domain pointers. It might
be helpful to add a show_registers after the DPRINTK so that we can see
the call trace.
 
Ian

> The offending hypercall is at arch/xen/i386/mm/ioremap.c 
> around line 437.
> 
> A couple of variables that may be important: start_address is 
> 0xf8880000, and address-start_address is 0x2000.
> 
> 
> Changing the amount of dom0_mem does not seem to help. The 
> closed-source 
> ATI flgrx driver is not involved at this point, though I am 
> sure it has 
> some problems as well, the wrapper has a lot of references to 
> virt_to_phys().
> 
> Jacob
> 
> 
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