From: Peter Zijlstra <peterz@infradead.org>
To: Vince Weaver <vincent.weaver@maine.edu>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>
Subject: Re: perf: hard fuzzer crash on 4.8-rc1
Date: Mon, 8 Aug 2016 20:30:33 +0200 [thread overview]
Message-ID: <20160808183033.GA30192@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <alpine.DEB.2.20.1608081350420.11501@macbook-air>
On Mon, Aug 08, 2016 at 01:57:28PM -0400, Vince Weaver wrote:
> Hello
>
> I've finally had time to get the perf_fuzzer going on a 4.8-rc1 kernel on
> a Haswell machine.
>
> It locks up pretty quickly, I even have a marginally reproducible test case.
> The problem is the serial console only prints the following before giving
> up:
>
> [ 637.250130] BUG: unable to handle kernel
>
> About 10 times of triggering this, this is all I get. Machine is fairly
> thoroughly locked at that point.
>
> Any advice on how to debug this more?
I have this pending:
lkml.kernel.org/r/20160804123724.GN6862@twins.programming.kicks-ass.net
If that's not it, I'll go prod tomorrow.
next prev parent reply other threads:[~2016-08-08 18:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-08 17:57 perf: hard fuzzer crash on 4.8-rc1 Vince Weaver
2016-08-08 18:30 ` Peter Zijlstra [this message]
2016-08-08 19:57 ` Vince Weaver
2016-08-08 20:12 ` Peter Zijlstra
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