runtime-pm

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AnxoCalvo / s5-poweroff-fix

Laptop burns ~19 W while switched off (S5) because Linux wakes the discrete GPU on the way out. Measured 20 W to 0.46 W: root cause, evidence and a fail-safe mitigation.

linux kernel fedora hybrid-graphics laptop pci acpi poweroff power-management s5 battery-drain nvidia-optimus runtime-pm akmod

Updated Sep 24, 2026
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