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From: Alexander Shishkin <alexander.shishkin@linux.intel.com>
To: Dmitry Vyukov <dvyukov@google.com>, Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
        Stephane Eranian <eranian@google.com>,
        LKML <linux-kernel@vger.kernel.org>, vince@deater.net,
        Andi Kleen <andi@firstfloor.org>, jolsa@redhat.com,
        Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Arnaldo Carvalho de Melo <acme@infradead.org>
Subject: Re: [RFC][PATCH 00/12] various perf fixes
In-Reply-To: <CACT4Y+bAqP78kMGG3QxNUEEVCqesW8PhpL5KS+8U8=D0C4F71A@mail.gmail.com>
References: <20160111162458.427203780@infradead.org> <20160112101109.GC20997@gmail.com> <CACT4Y+Zb4VE5HiAvEubFU6W=+iXgoDB-1xCSd_r3MYGzbetMxQ@mail.gmail.com> <CACT4Y+bNJi8T031hgbh832f1G9cKofYDx8maH6zSS93KnUQJLw@mail.gmail.com> <CACT4Y+Zdn2i0bG3=ALRkm2_RwAJE9WTf9qYb=5vXfDtos8Hzgg@mail.gmail.com> <CACT4Y+bAqP78kMGG3QxNUEEVCqesW8PhpL5KS+8U8=D0C4F71A@mail.gmail.com>
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Date: Wed, 13 Jan 2016 17:18:44 +0200
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Dmitry Vyukov <dvyukov@google.com> writes:

> 2016/01/12 12:08:26 qemu-12: saving crash 'WARNING: CPU: 2 PID: 26946
> at kernel/events/core.c:213 event_function+0x4ba/0x590()' to

If you still have the code, can you check which of the WARN_ON_ONCE()s
is this?

Thanks,
--
Alex