On fedora driver for this NIC is stmmac.ko (and stmmac-platform.ko). But it gives me error on CentOS: [ 283.659959] pps_core: LinuxPPS API ver. 1 registered [ 283.665170] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti at linux.it> [ 283.696552] PTP clock support registered [ 283.745597] stmmac_platform: Unknown symbol devm_kmalloc (err 0) [ 283.751924] stmmac_platform: Unknown symbol stmmac_suspend (err 0) [ 283.758337] stmmac_platform: Unknown symbol platform_get_irq_byname (err 0) [ 283.765541] stmmac_platform: Unknown symbol stmmac_dvr_remove (err 0) [ 283.772220] stmmac_platform: Unknown symbol platform_get_resource (err 0) [ 283.779283] stmmac_platform: Unknown symbol of_get_phy_mode (err 0) [ 283.785833] stmmac_platform: Unknown symbol of_property_read_u32_array (err 0) [ 283.793267] stmmac_platform: Unknown symbol of_alias_get_id (err 0) [ 283.799726] stmmac_platform: Unknown symbol stmmac_resume (err 0) [ 283.806024] stmmac_platform: Unknown symbol stmmac_dvr_probe (err 0) [ 302.142267] stmmac_platform: Unknown symbol devm_kmalloc (err 0) [ 302.148591] stmmac_platform: Unknown symbol stmmac_suspend (err 0) [ 302.155031] stmmac_platform: Unknown symbol platform_get_irq_byname (err 0) [ 302.162270] stmmac_platform: Unknown symbol stmmac_dvr_remove (err 0) [ 302.168957] stmmac_platform: Unknown symbol platform_get_resource (err 0) [ 302.176013] stmmac_platform: Unknown symbol of_get_phy_mode (err 0) [ 302.182516] stmmac_platform: Unknown symbol of_property_read_u32_array (err 0) [ 302.189950] stmmac_platform: Unknown symbol of_alias_get_id (err 0) [ 302.196424] stmmac_platform: Unknown symbol stmmac_resume (err 0) [ 302.202739] stmmac_platform: Unknown symbol stmmac_dvr_probe (err 0) On the internet i can see some patches and discussions. Unfortunately i'm not experienced in kernel developing, so i can't do anything about it. -- Over And Out MoonWolf