RE: [Xen-devel] [PATCH] add RDMSR/WRMSR instruction emulationtoVMXAssist decoder

["Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>]

Can you please check the vcpu status? I suspect one of the vcpu is blocked by 
halt instruction.

Thanks
Yunhong Jiang

>-----Original Message-----
>From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
>[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Tim Deegan
>Sent: 2006年10月5日 23:55
>To: Li, Xin B
>Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
>Subject: Re: [Xen-devel] [PATCH] add RDMSR/WRMSR instruction 
>emulationtoVMXAssist decoder
>
>This bug is fixed by xen-unstable 11713:79b56c02b836 -- the 
>VMX code was
>not tracking writes to CR4 that happen when CR0.PE=0, so the 
>second vcpu
>was being shadowed in the wrong paging mode, and going into a PF loop.
>
>Win2k3 (ee sp1 pae=1 acpi=1 apic=1 vcpus=2) doesn't complete 
>the install
>process yet, but gets as far as "Installing Devices" in the GUI
>installer now.
>
>Tim.
>
>At 13:07 +0800 on 30 Sep (1159621646), Li, Xin B wrote:
>> After applying this patch, while booting a 2 vCPUs PAE SMP 
>Windows 2003 server in VMX, I got:
>> 
>> (XEN) sh error: sh_remove_shadows(): can't find all shadows 
>of mfn 23ecf7 (shadow_flags=80000008)
>> (XEN) domain_crash called from common.c:2197
>> (XEN) Domain 1 (vcpu#0) crashed on cpu#3:
>> (XEN) ----[ Xen-3.0-unstable  x86_64  debug=n  Not tainted ]----
>> (XEN) CPU:    3
>> (XEN) RIP:    0008:[<000000008086bf9b>]
>> (XEN) RFLAGS: 0000000000010283   CONTEXT: hvm
>> (XEN) rax: 0000000000000002   rbx: 00000000821a57a8   rcx: 
>00000000821a3008
>> (XEN) rdx: 0000000000000002   rsi: 00000000821a3020   rdi: 
>00000000821a54d0
>> (XEN) rbp: 00000000f885ebd8   rsp: 00000000f885ea98   r8:  
>0000000000000000
>> (XEN) r9:  0000000000000000   r10: 0000000000000000   r11: 
>0000000000000000
>> (XEN) r12: 0000000000000000   r13: 0000000000000000   r14: 
>0000000000000000
>> (XEN) r15: 0000000000000000   cr0: 000000008001003b   cr4: 
>0000000000000671
>> (XEN) cr3: 00000000002677a0   cr2: 00000000e1005004
>> (XEN) ds: 0023   es: 0023   fs: 0030   gs: 0000   ss: 0010   cs: 0008
>> 
>> -Xin
>> 
>> >-----Original Message-----
>> >From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
>> >[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
>Li, Xin B
>> >Sent: 2006?$BG/9?$B7n30?$BF| 12:55
>> >To: xen-devel@xxxxxxxxxxxxxxxxxxx
>> >Subject: [Xen-devel] [PATCH] add RDMSR/WRMSR instruction 
>> >emulation toVMXAssist decoder
>> >
>> >add RDMSR/WRMSR instruction emulation to VMXAssist decoder
>> >
>> >AP of PAE SMP windows will use it to set NX bit in EFER.
>> >
>> >Signed-off-by: Xin Li <xin.b.li@xxxxxxxxx>
>> >
>> 
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>
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