Hello, > For example, you could try disabling the scatter-gather or tx-cum > via ethtool and seeing if there is some benefit; so we could image > some problem on your HW or SYNP MAC integration for checksumming > on tx side.
disabling the following: ethtool -K eth0 sg off or: ethtool -K eth0 tx off does not prevent the network communication going down.. > Also you could check the AXI tuning and PBL value. To be honest > (thinking about your problem) I can actually suspect some related > problem on bus setup. So I suggest you to play with these value > (better if you ask for having values from HW validation on your side). > Otherwise the stmmac uses a default that cannot be good for your > platform. For example, sometime I have seen that PBL is better if > reduced to 8 instead of 32 and w/o 4xPBL... how can I set those values ? thanks for your time, andre