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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: Ethan Tuttle <ethan@ethantuttle.com>
Cc: "Willy Tarreau" <w@1wt.eu>,
	"Russell King - ARM Linux" <linux@arm.linux.org.uk>,
	"Andrew Lunn" <andrew@lunn.ch>,
	"Jason Cooper" <jason@lakedaemon.net>,
	netdev@vger.kernel.org,
	"Ezequiel Garcia" <ezequiel.garcia@free-electrons.com>,
	"Gregory Clément" <gregory.clement@free-electrons.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: mvneta: oops in __rcu_read_lock on mirabox
Date: Wed, 18 Sep 2013 18:35:49 +0200	[thread overview]
Message-ID: <20130918183549.3e7b8f4c@skate> (raw)
In-Reply-To: <CACzLR4t2ABZdRk40VUhLtDKXX2PQiSVoQZQ4coQkNkvETnY6Rw@mail.gmail.com>

Dear Ethan Tuttle,

On Tue, 17 Sep 2013 23:30:56 -0700, Ethan Tuttle wrote:
> On Mon, Sep 16, 2013 at 11:01 PM, Willy Tarreau <w@1wt.eu> wrote:
> > Next step should be that you test both kernels to be sure.
> 
> Thanks for the kernel images, Willy.  I'm still experimenting but
> initial results are strange: I haven't seen a crash from the -ethan
> image you provided, nor by a kernel with that config that I built
> myself.  The config is only different from my crashing config by a few
> options.  So perhaps some combination of options prevents the crash.
> I'll see if I can narrow it down.

A toolchain generating some crappy code maybe? Ethan, Willy, comparing
your toolchain (compiler version, origin of the toolchain) could be
interesting.

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

  reply	other threads:[~2013-09-18 16:35 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-15  1:05 mvneta: oops in __rcu_read_lock on mirabox Ethan Tuttle
2013-09-15 18:57 ` Thomas Petazzoni
2013-09-16  6:50   ` Willy Tarreau
2013-09-16  8:56     ` Ethan Tuttle
2013-09-16 15:51     ` Thomas Petazzoni
2013-09-16 16:22       ` Russell King - ARM Linux
2013-09-16 16:24         ` Thomas Petazzoni
2013-09-16 17:14           ` Russell King - ARM Linux
2013-09-16 17:45             ` Willy Tarreau
2013-09-16 18:25               ` Russell King - ARM Linux
2013-09-16 16:35       ` Ethan Tuttle
2013-09-16 16:39         ` Willy Tarreau
2013-09-16 16:44           ` Willy Tarreau
2013-09-16 17:24             ` Ethan Tuttle
2013-09-16 17:47               ` Willy Tarreau
2013-09-16 18:28                 ` Russell King - ARM Linux
2013-09-17  3:43                   ` Ethan Tuttle
2013-09-17  6:01                     ` Willy Tarreau
2013-09-18  6:30                       ` Ethan Tuttle
2013-09-18 16:35                         ` Thomas Petazzoni [this message]
2013-09-18 16:49                           ` Willy Tarreau

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