linux-kernel - Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf

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Date:   Sat, 9 Sep 2017 19:23:52 +0200
From:   Markus Trippelsdorf <markus@...ppelsdorf.de>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Andy Lutomirski <luto@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.
 perf

On 2017.09.09 at 19:05 +0200, Borislav Petkov wrote:
> On Sat, Sep 09, 2017 at 06:32:25PM +0200, Markus Trippelsdorf wrote:
> > Also tried the following patch. It does not help.
> 
> Ok, another theory. This one still needs to be fixed properly but that
> for later.
> 
> For some reason (insufficient coffee maybe), I have mistyped your
> MCi_STATUS value earlier. Your mail says it is "fa000010000b0c0f". Do
> you still have a screen photo to verify it?

I double checked and the value is correct.

> Because if so, the correct error type is:
> 
> MC4_STATUS[Val|Over|UC|EN|MiscV|PCC|EEC: Protocol error (link, L3, probe filter) (0x0b)|ET: BUS(pp:OBS;t:NOTIMOUT;r4:GEN;ii:GEN;ll:LG)]: 0xfa000010000b0c0f
> 
> And for that I'd need the MC4_ADDR value too.
> 
> So can you please apply the patch below ontop of the syncflood quirk
> patch and retrigger, make a photo of the MCE and send it to me?

Hmm, the output is exactly the same as before your patch.

-- 
Markus