Re: [Xen-devel] Xen fails to boot inside QEMU on x86, no VMX

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 22/01/2018 23:48, Stefano Stabellini wrote:
> Hi all,
>
> Running Xen inside QEMU x86 without KVM acceleartion and without VMX
> emulation leads to the failure appended below.
>
> This trivial workaround "fixes" the problem:
>
> diff --git a/xen/arch/x86/extable.c b/xen/arch/x86/extable.c
> index 72f30d9..a67d6c1 100644
> --- a/xen/arch/x86/extable.c
> +++ b/xen/arch/x86/extable.c
> @@ -168,7 +168,6 @@ static int __init stub_selftest(void)
>                         _ASM_EXTABLE(.Lret%=, .Lfix%=)
>                         : [exn] "+m" (res)
>                         : [stb] "r" (addr), "a" (tests[i].rax));
> -        ASSERT(res == tests[i].res.raw);
>      }
>  
>      return 0;
>
>
> Any suggestions?

Which i failed?  This will probably be an emulation bug in Qemu.

~Andrew

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