Ben, You are one of the core contributors to the Network subsystem in the Linux kernel, hence asking you this question. Ethernet devices have an interface to enable / disable the device in: /sys/class/net/eth0/device/enabled If the device is disabled using this interface, what is the expected power consumption ? I ask because even after I disable the device, powertop reports state that ethernet is consuming power. Power est. Usage Events/s Category Description 6.47 W 23.6 pkts/s Device Network interface: wlan0 (iwlwifi) 4.01 W 0.0 pkts/s Device Network interface: eth0 (e1000e) 15:34:57 rrs@zan:/sys/class/net/eth0/device$ cat enabled 0 -- Given the large number of mailing lists I follow, I request you to CC me in replies for quicker response
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