Re: [Xen-ia64-devel][PATCH]Build new infrastructure for fast fault handling path.

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

With this patch, creating HVM domain with Linux results in panic.
Can you reproduce it?
I'm suspecting that the stack trace doesn't show the real iip

(XEN) ia64_fault, vector=0x5, ifa=0xa00000010001e330, iip=0xa000000100013f10, 
ipsr=0x0000501008da6010, isr=0x0000000000000000
(XEN) Fault 5
(XEN) d 0xf000000004138100 domid 1
(XEN) vcpu 0xf0000002f6c20000 vcpu 0
(XEN) 
(XEN) CPU 2
(XEN) psr : 0000501008da6010 ifs : 800000000000038b ip  : [<a000000100013f10>]
(XEN) ip is at ???
(XEN) unat: 0000000000000000 pfs : 0000000000000309 rsc : 0000000000000003
(XEN) rnat: 0000000000000000 bsps: 0000000000000000 pr  : 0000000000006985
(XEN) ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70433f
(XEN) csd : 0000000000000000 ssd : 0000000000000000
(XEN) b0  : f4000000040c3f50 b6  : f4000000040c4b30 b7  : a000000100013e80
(XEN) f6  : 0fffefffffffff0000000 f7  : 0ffe78580000000000000
(XEN) f8  : 1000b8580000000000000 f9  : 0ffff8000000000000000
(XEN) f10 : 1000b857ffffff7a80000 f11 : 1003e00000000000010b0
(XEN) r1  : f4000000043d64c0 r2  : f0000002f6c20000 r3  : e00000000f5c7e08
(XEN) r8  : e00000000d7602c0 r9  : e000000001100020 r10 : ffffffffffff0020
(XEN) r11 : e000000001110000 r12 : f0000002f6c27e00 r13 : f0000002f6c20000
(XEN) r14 : f0000002fd820210 r15 : fb000002fd830000 r16 : 0000000000000b9f
(XEN) r17 : 0000000000000000 r18 : 0009804c8a70433f r19 : 0000000000000000
(XEN) r20 : 000000000d760000 r21 : e00000000d7602c8 r22 : e00000000f5c02c8
(XEN) r23 : 0000000000000000 r24 : 0000000000000000 r25 : a000000100914000
(XEN) r26 : 000000000000000d r27 : 000000000000000f r28 : a000000100013e80
(XEN) r29 : 0000000000000000 r30 : e000000001104698 r31 : e000000001106078
(XEN) 
(XEN) Call Trace:
(XEN)  [<f4000000040da340>] show_stack+0x90/0xb0
(XEN)                                 sp=f0000002f6c27a30 bsp=f0000002f6c21748
(XEN)  [<f4000000040dae00>] show_registers+0xaa0/0xac0
(XEN)                                 sp=f0000002f6c27c00 bsp=f0000002f6c21708
(XEN)  [<f400000004094850>] ia64_fault+0xe0/0xae0
(XEN)                                 sp=f0000002f6c27c00 bsp=f0000002f6c216c8
(XEN)  [<f4000000040d2700>] ia64_leave_kernel+0x0/0x300
(XEN)                                 sp=f0000002f6c27c00 bsp=f0000002f6c216c8
(XEN) 
(XEN) ****************************************
(XEN) Panic on CPU 2:
(XEN) Fault in Xen.
(XEN) ****************************************
(XEN) 
(XEN) Reboot in five seconds...
(XEN) Debugging connection not set up.

-- 
yamahata

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