On 10/11/2013 11:59 AM, Thomas H=FChn wrote:

Hi Claudiu,

quoted

Does this show up on a half duplex (100Mb/s) link?

In my testsetup I always used 1GBit Ethernet connections, so no 100MBit=

 tested yet.

Should I do so ?

quoted

Could you provide following for the gianfar interface, on your setup:

sure:

quoted

# ethtool ethX

root@Bluse-home:~# ethtool eth0
Settings for eth0:
        Supported ports: [ ]
        Supported link modes:   1000baseT/Full
        Supported pause frame use: No
        Supports auto-negotiation: No
        Advertised link modes:  1000baseT/Full
        Advertised pause frame use: No
        Advertised auto-negotiation: No
        Speed: 1000Mb/s
        Duplex: Full
        Port: MII
        PHYAD: 0
        Transceiver: external
        Auto-negotiation: on
        Current message level: 0x0000003f (63)
                               drv probe link timer ifdown ifup
        Link detected: yes

quoted

and
# ethtool -d ethX | grep 500

root@Bluse-home:~# ethtool -d eth0 | grep 500
0x0500:         00 00 00 3f 00 00 72 05 40 60 50 60 00 a1 f0 37

quoted

Is there any other indication before this Oops? Like a tx timeout WARN=

?

quoted

Nothing there about any timeout.

Please try the following patch:
http://patchwork.ozlabs.org/patch/283235/

It should help with your issue.

claudiu