netdev - Re: [BISECTED] v4.9: OCTEON ethernet crash

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Message-ID: <20161215005751.457nm46shyjdt63q@raspberrypi-2.musicnaut.iki.fi>
Date:   Thu, 15 Dec 2016 02:57:51 +0200
From:   Aaro Koskinen <aaro.koskinen@....fi>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        David Daney <ddaney@...iumnetworks.com>, netdev@...r.kernel.org
Subject: Re: [BISECTED] v4.9: OCTEON ethernet crash

Hi,

On Wed, Dec 14, 2016 at 04:41:13PM -0800, Florian Fainelli wrote:
> On 12/14/2016 04:32 PM, Aaro Koskinen wrote:
> > Git bisect points to:
> > 
> > commit ec988ad78ed6d184a7f4ca6b8e962b0e8f1de461
> > Author: Florian Fainelli <f.fainelli@...il.com>
> > Date:   Tue Dec 6 20:54:43 2016 -0800
> > 
> >     phy: Don't increment MDIO bus refcount unless it's a different owner
> > 
> > Reverting this patch from v4.9 fixes the issue...
> 
> This should help:
> 
> diff --git a/drivers/staging/octeon/ethernet.c
> b/drivers/staging/octeon/ethernet.c
> index 8130dfe89745..12ebc4d800c3 100644
> --- a/drivers/staging/octeon/ethernet.c
> +++ b/drivers/staging/octeon/ethernet.c
> @@ -770,6 +770,7 @@ static int cvm_oct_probe(struct platform_device *pdev)
>                         /* Initialize the device private structure. */
>                         struct octeon_ethernet *priv = netdev_priv(dev);
> 
> +                       SET_NETDEV_DEV(dev, &pdev->dev);
>                         dev->netdev_ops = &cvm_oct_pow_netdev_ops;
>                         priv->imode = CVMX_HELPER_INTERFACE_MODE_DISABLED;
>                         priv->port = CVMX_PIP_NUM_INPUT_PORTS;

No, it's still crashing.

A.