How can I tell Windows or Linux to put a specific (PCI[e]) device into sleep/off (D3) state?
Fresh3 days ago
Mar 15, 20267634 viewsConfidence Score0%
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Problem
How can I tell Windows or Linux to power a specific device (e.g. USB controller, network card, video card) down, that is put it in the D3 state? From the very little I know about ACPI and such, the operating system has control over this, as it puts devices in said D3 state (if supported) for exampl…
Error Output
echo -n "auto" > /devices/pci0000:00/0000:00:02.0/power/control'
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Fix for: How can I tell Windows or Linux to put a specific (PCI[e]) device into sleep/off (D3) state?
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For Linux I found this thread, suggesting enabling the driver to control the power of the device using e.g. echo -n "auto" > /devices/pci0000:00/0000:00:02.0/power/control' and then unloading the driver: echo -n "0000:00:02.0" > /sys/bus/pci/drivers…
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