[Xen-devel] failed when boot the domain with shadow mode enabled

["Li, Chengyuan" <chengyuan.li@xxxxxxxxx>]

Hi,

I tried to run the dom0 & domU with shadow mode enabled, but both are failed.
For dom0:
1 Set opt_dom0_shadow=1
2.Compile the dom0 kernel with CONFIG_XEN_SHADOW_MODE
Then boot the system, but it failed in the function new_guest_cr3() when get_page_type().

For domU:
1.Compile the domU kernel with CONFIG_XEN_SHADOW_MODE
When "xm create" the domU, it failed at the similar point as dom0, because of get_page_type() failed.

Is it a bug in shadow mode for dom0 & domU, or the way I start the dom with shadow mode enabled is not right?

                                                                           
(XEN) DOM0: (file=mm.c, line=1389) Bad type (saw f0000001 != exp 40000000) for
fn 8102
(XEN) DOM0: (file=mm.c, line=370) Bad page type for pfn 8102 (f0000001)
(XEN) DOM0: (file=mm.c, line=1485) Error while installing new baseptr 8102
(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) CPU:    0
(XEN) EIP:    e019:[<c01157bf>]
(XEN) EFLAGS: 00200282   CONTEXT: guest
(XEN) eax: ffffffea   ebx: c04fff24   ecx: 00000001   edx: 00000000
(XEN) esi: 00007ff0   edi: c0102fc0   ebp: c05b4000   esp: c04fff18
(XEN) cr0: 8005003b   cr3: 019f3000
(XEN) ds: e021   es: e021   fs: 0000   gs: e021   ss: e021   cs: e019
(XEN) Guest stack trace from esp=c04fff18:                                     0
(XEN)    c01157bf 0001e019 00210282 00000005 00008102 00000000 c04fe000 0000000
                                                                               0
(XEN)    c05b4fc0 c050d710 00102000 c0567394 00100000 004b8fff 00001000 0000000
                                                                               f
(XEN)    c05240d8 c0101000 00000000 c050d82b 004b8fff c0507bdb 00100000 004b8ff
Thanks,
Chengyuan

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