This bug occurred here with this combination: xserver-xorg 1:7.4+4 xserver-xorg-core 2:1.6.5-1 xserver-xorg-input-evdev 1:2.2.5-1 xserver-xorg-input-kbd not installed Even though this bug has been filed on xserver-xorg-input-kbd, which I don't have installed, the symptoms match. It typically happens when I switch from X to tty1 with Ctrl+Alt+F1 and keep the F1 key pressed a bit too long. The X server then keeps sending events about the key. In powertop, this appears to cause almost 30 wakeups per second and increase the power consumption by about 2 watts.
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