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xen-devel
RE: [Xen-devel] refcount errors then crash on XenoLinux with the latest
On Tue, 2004-02-24 at 00:21, Kip Macy wrote:
> >
> > If it helps, I also have some more debug code which allows a domain to
> > get the pfn_info from Xen for a given page. I could send you a patch
> > against unstable again tomorrow.
>
> That would be great. Although I'm hoping to figure out why I'm getting a
> FAULT10 in my domain before I spend too much time on Xen.
>
attached. A new hypercall allows a domain to get info on a given pfn if
it belongs to the domain. dom0 should be able to access all memory.
I haven't tested this patch! It compiles against the latest tree. Let me
know if you have problems with it or if you find it useful.
Rolf
-Kip
>
> >
> > Rolf
> >
> > > refcount error: pfn=00036f cf=40000002 refcount=1
> > > audit page: pfn=36f info: cf=40000002 tf=f0000002 ts=0 dom=fc648be0
> > > pte_pfn=002207 cf=10000026 tf=30000024 dom=fc648be0
> > > pte_idx=3f9 *pte_idx=0036f063
> > >
> > > refcount error: pfn=000371 cf=40000002 refcount=1
> > > audit page: pfn=371 info: cf=40000002 tf=f0000002 ts=0 dom=fc648be0
> > > pte_pfn=002207 cf=10000026 tf=30000024 dom=fc648be0
> > > pte_idx=3fe *pte_idx=00371063
> > >
> > > refcount error: pfn=000372 cf=40000002 refcount=1
> > > audit page: pfn=372 info: cf=40000002 tf=f0000002 ts=0 dom=fc648be0
> > > pte_pfn=002207 cf=10000026 tf=30000024 dom=fc648be0
> > > pte_idx=3fd *pte_idx=00372063
> > >
> > > refcount error: pfn=000390 cf=00000001 refcount=0
> > > audit page: pfn=390 info: cf=1 tf=f0000001 ts=4ddca dom=fc649780
> > >
> > > refcount error: pfn=000392 cf=00000001 refcount=0
> > > audit page: pfn=392 info: cf=1 tf=f0000001 ts=4ddca dom=fc649780
> > >
> > > refcount error: pfn=000393 cf=00000001 refcount=0
> > > audit page: pfn=393 info: cf=1 tf=f0000001 ts=4ae4c dom=fc64a320
> > >
> > > refcount error: pfn=000395 cf=00000001 refcount=0
> > > audit page: pfn=395 info: cf=1 tf=f0000001 ts=0 dom=fc64a320
> > >
> > > refcount error: pfn=00039f cf=00000001 refcount=0
> > > audit page: pfn=39f info: cf=1 tf=f0000001 ts=0 dom=fc64aec0
> > >
> > > refcount error: pfn=0003a1 cf=00000001 refcount=0
> > > audit page: pfn=3a1 info: cf=1 tf=f0000001 ts=0 dom=fc64aec0
> > >
> > > refcount error: pfn=0003a2 cf=00000001 refcount=0
> > > audit page: pfn=3a2 info: cf=1 tf=f0000001 ts=0 dom=fc7a4060
> > >
> > > refcount error: pfn=0003a8 cf=00000001 refcount=0
> > > audit page: pfn=3a8 info: cf=1 tf=f0000001 ts=0 dom=fc7a4060
> > >
> > > refcount error: pfn=0003a9 cf=00000001 refcount=0
> > > audit page: pfn=3a9 info: cf=1 tf=f0000001 ts=0 dom=fc7a4c00
> > >
> > > refcount error: pfn=0003ab cf=00000001 refcount=0
> > > audit page: pfn=3ab info: cf=1 tf=f0000001 ts=0 dom=fc7a4c00
> > >
> > > refcount error: pfn=0003ac cf=00000001 refcount=0
> > > audit page: pfn=3ac info: cf=1 tf=f0000001 ts=191ab3 dom=fc7a57a0
> > >
> > > refcount error: pfn=0003ae cf=00000001 refcount=0
> > > audit page: pfn=3ae info: cf=1 tf=f0000001 ts=191ab3 dom=fc7a57a0
> > >
> > > refcount error: pfn=0003af cf=00000001 refcount=0
> > > audit page: pfn=3af info: cf=1 tf=f0000001 ts=191ab2 dom=fc7a6340
> > >
> > > refcount error: pfn=0003b1 cf=00000001 refcount=0
> > > audit page: pfn=3b1 info: cf=1 tf=f0000001 ts=0 dom=fc7a6340
> > >
> > > refcount error: pfn=0003b2 cf=00000001 refcount=0
> > > audit page: pfn=3b2 info: cf=1 tf=f0000001 ts=0 dom=fc7a6ee0
> > >
> > > refcount error: pfn=0003b4 cf=00000001 refcount=0
> > > audit page: pfn=3b4 info: cf=1 tf=f0000001 ts=0 dom=fc7a6ee0
> > >
> > >
> > >
> > >
> > >
> > >
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> >
> >
> >
get_page_info.patch
Description: Text Data
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