linux-kernel - Re: r8169: Link only up after 16 s (A link change request failed with some changes committed already. Interface enp3s0 may have been left with an inconsistent configuration, please check.)

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Message-ID: <8c138b300290efbff43631f2c527a37390c504d8.camel@perches.com>
Date:   Fri, 24 May 2019 11:04:43 -0700
From:   Joe Perches <joe@...ches.com>
To:     Heiner Kallweit <hkallweit1@...il.com>,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Realtek linux nic maintainers <nic_swsd@...ltek.com>
Cc:     netdev@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: r8169: Link only up after 16 s (A link change request failed
 with some changes committed already. Interface enp3s0 may have been left
 with an inconsistent configuration, please check.)

On Fri, 2019-05-24 at 19:55 +0200, Heiner Kallweit wrote:
> On 24.05.2019 17:14, Paul Menzel wrote:
> > I applied the simple change below to `net/core/rtnetlink.c`.
> > 
> >                 if (err < 0)
> > -                       net_warn_ratelimited("A link change request failed with some changes committed already. Interface %s may have been left with an inconsistent configuration, please check.\n",
> > -                                            dev->name);
> > +                       net_warn_ratelimited("A link change request failed with some changes committed already (err = %i). Interface %s may have been left with an inconsistent configuration, please check.\n",
> > +                                            dev->name, err);
> > 
> > I get different results each time.
> > 
> > -304123904
> > -332128256
> > 
> > Any idea, how that can happen?
> > 
> Instead of %i you should use %d, and the order of arguments needs to be reversed.

Doesn't the patch generate a compilation warning?