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Subject: Re: [PATCH] can: dev: increase bus-off message severity
To:     Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
Cc:     linux-can@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20180418141003.10229-1-jakob.unterwurzacher@theobroma-systems.com>
From:   Marc Kleine-Budde <mkl@pengutronix.de>
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Message-ID: <89a09851-827e-96b6-a0b0-e31b24755193@pengutronix.de>
Date:   Wed, 25 Apr 2018 16:42:18 +0200
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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
Cc: linux-can@vger.kernel.org, linux-kernel@vger.kernel.org
Message-ID: <89a09851-827e-96b6-a0b0-e31b24755193@pengutronix.de>
Subject: Re: [PATCH] can: dev: increase bus-off message severity
References: <20180418141003.10229-1-jakob.unterwurzacher@theobroma-systems.com>
In-Reply-To: <20180418141003.10229-1-jakob.unterwurzacher@theobroma-systems.com>

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On 04/18/2018 04:10 PM, Jakob Unterwurzacher wrote:
> bus-off is usually caused by hardware malfunction or
> configuration error (baud rate mismatch) and causes a
> complete loss of communication.
>=20
> Increase the "bus-off" message's severity from netdev_dbg
> to netdev_info to make it visible to the user.
>=20
> A can interface going into bus-off is similar in severity to
> ethernet's "Link is Down" message, which is also printed
> at info level.
>=20
> It is debatable whether the the "restarted" message should
> also be changed to netdev_info to make the interface state
> changes comprehensible from the kernel log.
> I have chosen to keep the "restarted" message at dbg for now
> as the "bus-off" message should be enough for the user to
> notice and investigate the problem.
>=20
> Signed-off-by: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-sys=
tems.com>
> Cc: linux-can@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org

Applied to can.

Tnx,
Marc

--=20
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |


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