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xen-ia64-devel
[Xen-ia64-devel] Re: [PATCH] EFI mapping: avoid vhpt fault.
Hi,
On <20080728081030.GL13209%yamahata@xxxxxxxxxxxxx>,
Isaku Yamahata wrote:
>
> At this moment, I'm not sure whether this patch is related to
> the PV-on-HVM driver bug you're seeing.
> Could you please also try this patch?
The hypervisor still crashes. I attaches the panic message.
The source code:
tlbflush_update_time
(&prev->domain->arch.last_vcpu[cpu].tlbflush_timestamp,
tlbflush_current_time());
if (is_idle_domain(next->domain))
return;
last_vcpu_id = next->domain->arch.last_vcpu[cpu].vcpu_id;
last_processor = next->arch.last_processor;
next->domain->arch.last_vcpu[cpu].vcpu_id = next->vcpu_id;
next->arch.last_processor = cpu;
if ((last_vcpu_id != next->vcpu_id &&
f40000000405f0d0: 05 00 00 00 01 c0 [MLX] nop.m 0x0
f40000000405f0d6: 7f 00 00 00 00 c0 movl
r22=0x7fffffff;;
f40000000405f0dc: f2 f7 ff 67
f40000000405f0e0: 19 00 00 00 01 00 [MMB] nop.m 0x0
f40000000405f0e6: e0 00 80 10 20 00 ld2 r14=[r32]
f40000000405f0ec: 00 00 00 20 nop.b 0x0;;
f40000000405f0f0: 0a 30 38 20 87 38 [MMI] cmp4.eq
p6,p7=r14,r16;;
Best regards,
--
KUWAMURA Shin'ya
(XEN) ia64_fault, vector=0x18, ifa=0xf00000000433c080, iip=0xf40000000405f0e0,
ipsr=0x0000121008226018, isr=0x0000008000000030
(XEN) General Exception: IA-64 Reserved Register/Field fault (data access).
(XEN) d 0xf00000000411c080 domid 1
(XEN) vcpu 0xf0000004f8f90000 vcpu 6
(XEN)
(XEN) CPU 3
(XEN) psr : 0000121008226018 ifs : 8000000000000710 ip : [<f40000000405f0e1>]
(XEN) ip is at flush_vtlb_for_context_switch+0x41/0x330
(XEN) unat: 0000000000000000 pfs : 0000000000000006 rsc : 0000000000000003
(XEN) rnat: 0000000000000000 bsps: 0000000000000000 pr : 00000000a5558597
(XEN) ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c0270033f
(XEN) csd : 0000000000000000 ssd : 0000000000000000
(XEN) b0 : f4000000040a6510 b6 : a000000200025100 b7 : 0000000000000000
(XEN) f6 : 000000000000000000000 f7 : 000000000000000000000
(XEN) f8 : 000000000000000000000 f9 : 000000000000000000000
(XEN) f10 : 000000000000000000000 f11 : 000000000000000000000
(XEN) r1 : a000000200250000 r2 : 0000000000000020 r3 : 0000000000000000
(XEN) r8 : 0000000000000000 r9 : e000000008ccda70 r10 : 0000000000000000
(XEN) r11 : a0000001007af3e8 r12 : e000000001dafba0 r13 : e000000001da8000
(XEN) r14 : 0000000000000000 r15 : 000000000000000e r16 : 0000000000000000
(XEN) r17 : 0000000000000000 r18 : 0000000000000000 r19 : 0000000000000000
(XEN) r20 : 0000000000000000 r21 : 0000000000000000 r22 : 0000000000000000
(XEN) r23 : 0000000000000000 r24 : 0000000000000000 r25 : 0000000000000000
(XEN) r26 : 0000000000000000 r27 : 0000000000000000 r28 : 0000000000000000
(XEN) r29 : 0000000000000000 r30 : 0000000000000000 r31 : 0000000000000000
(XEN)
(XEN) Call Trace:
(XEN) [<f4000000040cbb50>] show_stack+0x80/0xa0
(XEN) sp=f0000004f8f916f0 bsp=f0000004f8f916d0
(XEN) [<f40000000408bce0>] ia64_fault+0x120/0x670
(XEN) sp=f0000004f8f918c0 bsp=f0000004f8f91698
(XEN) [<f4000000040c4300>] ia64_leave_kernel+0x0/0x300
(XEN) sp=f0000004f8f918c0 bsp=f0000004f8f91698
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 3:
(XEN) Fault in Xen.
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...
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