RE: [kvm-unit-tests PATCH] x86: vmx: Add test for SIPI signal processing

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> 
> On my bare-metal machine, I get a #GP on the WRMSR that writes the EOI inside
> ipi() :
> 
> Test suite: vmx_sipi_signal_test
> Unhandled exception 13 #GP at ip 0000000000417eba
> error_code=0000      rflags=00010002      cs=00000008
> rax=0000000000000000 rcx=000000000000080b rdx=0000000000000000
> rbx=0000000000000000
> rbp=000000000053a238 rsi=0000000000000000 rdi=000000000000000b
> r8=000000000000000a  r9=00000000000003f8 r10=000000000000000d
> r11=0000000000000000
> r12=000000000040c7a5 r13=0000000000000000 r14=0000000000000000
> r15=0000000000000000
> cr0=0000000080000011 cr2=0000000000000000 cr3=000000000041f000
> cr4=0000000000000020
> cr8=0000000000000000
> 	STACK: @417eba 417f36 417481 417383
> 
> I did not dig much deeper. Could it be that there is some confusion between
> xapic/x2apic ?

Thanks, Nadav.
I cannot reproduce the #GP issue on my bare metal machine.
And I am a little bit confused, there is no EOI MSR write in this test suite,
how the #GP comes out...
Could you provide more info for me to reproduce the issue?

Best Regard
Yadong





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