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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Wed, 25 Apr 2018 16:42:18 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Jakob Unterwurzacher <jakob.unterwurzacher@...obroma-systems.com>
Cc:     linux-can@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] can: dev: increase bus-off message severity

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@...obroma-systems.com>
> Cc: linux-can@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org

Applied to can.

Tnx,
Marc

-- 
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   |



Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)