Date: Tue, 14 Jul 2015 08:43:38 -0400 (EDT)
From: Mikulas Patocka <mpatocka@redhat.com>
To: Borislav Petkov <bp@alien8.de>
cc: Andy Lutomirski <luto@amacapital.net>,
        Peter Zijlstra <peterz@infradead.org>,
        Paul Mackerras <paulus@samba.org>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Kees Cook <keescook@chromium.org>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Vince Weaver <vince@deater.net>, "hillf.zj" <hillf.zj@alibaba-inc.com>,
        Valdis Kletnieks <Valdis.Kletnieks@vt.edu>,
        linux-kernel@vger.kernel.org
Subject: Re: Kernel broken on processors without performance counters
In-Reply-To: <20150714093510.GC12841@nazgul.tnic>
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References: <alpine.LRH.2.02.1507081000540.5217@file01.intranet.prod.int.rdu2.redhat.com> <20150714093510.GC12841@nazgul.tnic>
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On Tue, 14 Jul 2015, Borislav Petkov wrote:

> On Wed, Jul 08, 2015 at 11:17:38AM -0400, Mikulas Patocka wrote:
> > Hi
> > 
> > I found out that the patch a66734297f78707ce39d756b656bfae861d53f62 breaks 
> > the kernel on processors without performance counters, such as AMD K6-3.
> 
> Out of curiosity: are you actually using this piece of computer history
> or you're only booting new kernels for regressions?
> 
> :)
> 
> Thanks.

I use it, but mostly for connecting to other machines. I wanted to test 
some other patch, I compiled a new kernel on K6-3 and found out this 
crash.

Mikulas
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