Re: [Xen-devel] xen.git branch reorg / success with 2.6.30-rc3 pv_ops dom0

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Pasi Kärkkäinen wrote:
> I just tried with CONFIG_HIGHPTE=y but that didn't seem to work:
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/pv_ops-dom0-bootlog-30-xen331-linux-2.6.30-rc3-next-crash-with-highpte.txt
>
> (XEN) mm.c:2006:d0 Bad type (saw 28000001 != exp e0000000) for mfn 6b0a6 (pfn 
> 2c959)
> (XEN) mm.c:707:d0 Error getting mfn 6b0a6 (pfn 2c959) from L1 entry 
> 000000006b0a6063 for dom0
> (XEN) mm.c:3640:d0 ptwr_emulate: could not get_page_from_l1e()
>
> BUG: unable to handle kernel paging request at c0207d58
> IP: [<c0405bf7>] xen_set_pte+0x89/0x93
> *pdpt = 000000003c8ef001 
> Oops: 0003 [#1] SMP 
> Pid: 323, comm: kswapd0 Not tainted (2.6.30-rc3-tip #34) P8SC8
> EIP: 0061:[<c0405bf7>] EFLAGS: 00010296 CPU: 0
> EIP is at xen_set_pte+0x89/0x93
> EAX: 00000000 EBX: c0207d58 ECX: 00000000 EDX: 6b0a6063
> ESI: 00000000 EDI: 000bd778 EBP: e254cd80 ESP: e254cd70
>  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069
> Process kswapd0 (pid: 323, ti=e254c000 task=e25c8000 task.ti=e254c000)
>   
Hm, can't have everything I suppose...  I wonder what's going on here; I 
haven't seen any problems with highpte at all.  Something .config-specific?
   J

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