Re: [PATCH 2/5] perf, x86, uncore: Add Haswell-EP uncore support

[Alexei Starovoitov]

On Tue, Oct 28, 2014 at 8:30 AM, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
>> snbep_uncore_msr_init_box() is called with:
>> [    1.055678] msr 0
>> [    1.056027] msr 3584
>> [    1.056376] msr 3600
>> [    1.056725] msr 3616
>> [    1.057074] msr 3632
>> [    1.057424] msr 1824
>
> So it would normally crash here, right? That's the SBOX.
>
> When you remove the sbox in hswep_msr_uncores the crash goes away,
> correct?

yes. removing line 'hswep_uncore_sbox' also worked as workaround.
You have an idea what's going on?
I suspect other folks will see the same crash when E5 v3
become more widespread.
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