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Re: kvm: GPF in kvm_lapic_latched_init

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  Re: kvm: GPF in kvm_lapic_latched_init Paolo Bonzini <pbonzini@redhat.com> - 2016-05-31 12:40 +0200
    Re: kvm: GPF in kvm_lapic_latched_init Dmitry Vyukov <dvyukov@google.com> - 2016-06-01 10:10 +0200

#1410113 — Re: kvm: GPF in kvm_lapic_latched_init

On 08/01/2016 19:42, Dmitry Vyukov wrote:
> Hello,
> 
> The following program triggers GPF in kvm_lapic_latched_init if run in
> a parallel loop:
> https://gist.githubusercontent.com/dvyukov/524b398f379440b21115/raw/9627095f57a72501fb51bf7565471d31732beeee/gistfile1.txt

I've noticed that the program here tends to segfault a lot, even before
reaching the kernel.  Is this intended?

Thanks,

Paolo

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#1410924

On Tue, May 31, 2016 at 12:35 PM, Paolo Bonzini <pbonzini@redhat.com> wrote:
>
>
> On 08/01/2016 19:42, Dmitry Vyukov wrote:
>> Hello,
>>
>> The following program triggers GPF in kvm_lapic_latched_init if run in
>> a parallel loop:
>> https://gist.githubusercontent.com/dvyukov/524b398f379440b21115/raw/9627095f57a72501fb51bf7565471d31732beeee/gistfile1.txt
>
> I've noticed that the program here tends to segfault a lot, even before
> reaching the kernel.  Is this intended?

Yes.

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