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

[Jacob Gorm Hansen <jacobg@xxxxxxx>]

Ian Pratt wrote:
> > 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? 
Yes, only dom0 is 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.
I added the following:

struct xen_regs *regs = (struct xen_regs *)get_execution_context();
show_registers(regs);

and the output is now:

(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
(XEN) CPU:    0
(XEN) EIP:    0061:[<c011418a>]
(XEN) EFLAGS: 00001206
(XEN) eax: 00000001   ebx: f2265a0c   ecx: 00000021   edx: 00000000
(XEN) esi: 00000021   edi: 00020000   ebp: f8880000   esp: f22659e8
(XEN) ds: 007b   es: 007b   fs: 0000   gs: 0000   ss: 0069
(XEN) Stack trace from ESP=fc503fe4:
(XEN) f22659e8 00000069 0000007b 0000007b 00000000 00000000 fc5963e0
(XEN) Call Trace from ESP=fc503fe4:


Hope this helps.

Jacob


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