Hi, Did anyone find this TX timeout issue on macb(gmac)? I observed this issue when i enable d-cache. Log: ---- zynq-uboot> ping 10.10.70.101 gmac0: PHY present at 7 gmac0: link up, 1000Mbps full-duplex (lpa: 0x3800) Using gmac0 device gmac0: TX timeout gmac0: TX timeout ping failed; host 10.10.70.101 is not alive Any help.! -- Thanks, Jagan.