Re: eth frame error on imx6ul

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

On 05.08.24 16:38, Stefano Manni wrote:
> Hello Ahmad
> 
> On Mon, 2024-08-05 at 15:54 +0200, Ahmad Fatoum wrote:
>>
>> Do you have TFTP or something running while seeing these errors,
>> or when do they pop up?
> 
> They pop up unconditionally just after ifup. If I run tcpdump on the
> same LAN I see a lot of multicast/broadcast frames and probably the
> error comes out on the reception of them. Also because I figured out
> from fec_imx.h that 0x00000886 means:
> 
> #define FEC_RBD_LAST		0x0800	/**< Receive BD status: Buffer
> is last in frame (useless here!) */
> #define FEC_RBD_BC		0x0080	/**< Receive BD status: The
> received frame is broadcast frame */
> #define FEC_RBD_CR		0x0004	/**< Receive BD status: CRC
> error */
> #define FEC_RBD_OV		0x0002	/**< Receive BD status: Receive
> FIFO overrun */

You can enable CONFIG_CMD_ETHLOG to capture the frames and see if
the frame that triggers the error looks odd in some way.

Cheers,
Ahmad


> 
> Best,
> Stefano
> 
> 

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