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From: Marc Kleine-Budde <>
To: Jakob Unterwurzacher <>
Subject: Re: [PATCH] can: dev: increase bus-off message severity
Date: Wed, 25 Apr 2018 16:42:18 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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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.
> Increase the "bus-off" message's severity from netdev_dbg
> to netdev_info to make it visible to the user.
> 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.
> 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.
> Signed-off-by: Jakob Unterwurzacher <>
> Cc:
> Cc:

Applied to can.


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  |   |

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      reply	other threads:[~2018-04-25 14:42 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-18 14:10 Jakob Unterwurzacher
2018-04-25 14:42 ` Marc Kleine-Budde [this message]

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