Re: Skylake just turned into a DUD for me: No BMI ?!?

Aug 20, 2015 0 Replies

On Thu, 20 Aug 2015 04:34:06 +0200, "Skybuck Flying" Gave us:


Hello,
>
>I just saw somebody on slashdot mention this:
>
>"
>From the errata:
>
>Executing CPUID with EAX = 7 and ECX = 0 may return EBX with bits [3] and
>[8] set, incorrectly indicating the presence of BMI1 and BMI2 instruction
>set extensions.
>
>Attempting to use instructions from the BMI1 or BMI2 instruction set
>extensions will result in a #UD exception.
>"
>
>
formatting link

>
>This seems very bad to me.
>
>Without BMI Skylake would not be worth it to me ! ;) =D
>
>Must have BMI support.
>
>I may have to skip Skylake or wait for steppings to fix it, but it says: NO
>FIX !?
>
>Wow... strange...
>
>Good idea to check errate before deciding on what processor to get from now
>on ! ;) =D
>
>Bye,
> Skybuck =D

Would have been nice if your parents had waited for stepping instead of failing to flush you.

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