Hi all,
    We found dom0 will crash when booting VTI guest with latest Cset#18761. 
(xenU guest is ok)
    Last stable cset is 18759. 

    Call trace is:
    =========
(XEN) General Exception: IA-64 Reserved Register/Field fault (data access).
(XEN) d 0xf00000000413c080 domid 1
(XEN) vcpu 0xf0000002f9ff8000 vcpu 0
(XEN) 
(XEN) CPU 3
(XEN) psr : 0000101008226000 ifs : 8000000000000001 ip  : [<f4000000040012a0>]
(XEN) ip is at ia64_frametable_probe+0x0/0x160
(XEN) unat: 0000000000000000 pfs : 0000000000000286 rsc : 0000000000000003
(XEN) rnat: 0000000000000000 bsps: 0000000000000000 pr  : 0000000000008169
(XEN) ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c0270033f
(XEN) csd : 0000000000000000 ssd : 0000000000000000
(XEN) b0  : f4000000040b2670 b6  : f400000004010ef0 b7  : 0000000000000000
(XEN) f6  : 000000000000000000000 f7  : 000000000000000000000
(XEN) f8  : 000000000000000000000 f9  : 000000000000000000000
(XEN) f10 : 000000000000000000000 f11 : 000000000000000000000
(XEN) r1  : f4000000043cfe80 r2  : f0000002f9ffffd0 r3  : f0000002f9ffffd8
(XEN) r8  : 0000000000000000 r9  : 0000000000000000 r10 : 0000000000000000
(XEN) r11 : 0009804c0270033f r12 : f0000002f9fffdf0 r13 : f0000002f9ff8000
(XEN) r14 : f400000004168d08 r15 : 000000000013fffb r16 : 00000000000007ff
(XEN) r17 : 0003fffffffff000 r18 : 000000000000000f r19 : f0000002f9fffff0
(XEN) r20 : 0000000000000000 r21 : 0000000000000000 r22 : 0000000000000000
(XEN) r23 : 0000000000000000 r24 : f0000002f9fffe20 r25 : f0000002f9fffe28
(XEN) r26 : 0000000000000000 r27 : 0000000000000000 r28 : 0000000000000000
(XEN) r29 : 0000000000000000 r30 : 0000000000000000 r31 : 0000000000000000
(XEN) 
(XEN) Call Trace:
(XEN)  [<f4000000040e80d0>] show_stack+0x80/0xa0
(XEN)                                 sp=f0000002f9fffa20 bsp=f0000002f9ff95a0
(XEN)  [<f4000000040a32e0>] ia64_fault+0x790/0xad0
(XEN)                                 sp=f0000002f9fffbf0 bsp=f0000002f9ff9568
(XEN)  [<f4000000040df980>] ia64_leave_kernel+0x0/0x300
(XEN)                                 sp=f0000002f9fffbf0 bsp=f0000002f9ff9568
(XEN)  [<f4000000040012a0>] ia64_frametable_probe+0x0/0x160
(XEN)                                 sp=f0000002f9fffdf0 bsp=f0000002f9ff9560
(XEN)  [<f4000000040b2670>] ia64_mfn_valid+0x80/0xb0
(XEN)                                 sp=f0000002f9fffdf0 bsp=f0000002f9ff9538
(XEN)  [<f4000000040cf9c0>] translate_phy_pte+0x210/0x2b0
(XEN)                                 sp=f0000002f9fffdf0 bsp=f0000002f9ff94f8
(XEN)  [<f4000000040cfd10>] thash_vhpt_insert+0x30/0x280
(XEN)                                 sp=f0000002f9fffdf0 bsp=f0000002f9ff94a8
(XEN)  [<f4000000040c5880>] physical_tlb_miss+0x50/0x70
(XEN)                                 sp=f0000002f9fffdf0 bsp=f0000002f9ff9478
(XEN)  [<f4000000040c7db0>] vmx_hpw_miss+0x650/0x1460
(XEN)                                 sp=f0000002f9fffdf0 bsp=f0000002f9ff93b0
(XEN)  [<f4000000040c0d80>] ia64_leave_hypervisor+0x0/0x250
(XEN)                                 sp=f0000002f9fffe00 bsp=f0000002f9ff93b0
(XEN) 
(XEN) ****************************************
(XEN) Panic on CPU 3:
(XEN) Fault in Xen.
(XEN) ****************************************
(XEN) 
(XEN) Reboot in five seconds... 


Thanks,
Zhang Jingke


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