Re: [PATCH] can: dev: increase bus-off message severity

From: Marc Kleine-Budde
Date: Wed Apr 25 2018 - 10:42:30 EST

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 <jakob.unterwurzacher@xxxxxxxxxxxxxxxxxxxxx>
> Cc: linux-can@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx

Applied to can.


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