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[Xen-users] Possible problem with PAE?
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
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| Subject: | [Xen-users] Possible problem with PAE? |
| From: | "Mike Levenhagen" <mjleven@xxxxxxxxxx> |
| Date: | Wed, 4 Jan 2006 09:52:22 -0700 |
| Cc: | Ronald Brightwell <rbbrigh@xxxxxxxxxx> |
| Delivery-date: | Wed, 04 Jan 2006 16:58:00 +0000 |
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I'm porting an OS to XEN 3.0 that uses PAE mode.It maps both virtual address space 0x00000000 and 0xC0000000 to the same physical address space, hence pgd slot 0 and pgd slot 3 point to the same middle page directory. It appears that XEN does not support this situation. The XEN error message I get when I try to pin the pgd is (XEN) DOM154: (file=mm.c, line=905) Failure in alloc_l3_table: entry 3(XEN) DOM154: (file=mm.c, line=1550) Error while validating mfn d2a9 (pfn 10) for type 67ff0000: caf=80000003 taf=67ff0001 (XEN) DOM154: (file=mm.c, line=1780) Error while pinning mfn d2a9 If I set pgd slot 0 to 0 the pin succeeds. Does XEN support this "duplicate" mapping? Is this the right place to ask this question? Michael Levenhagen Sandia National Labs. _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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