S0ix Selftest Tool is designed to do the initial debugging for the S2idle path CPU Package C-state and S0ix failures in Linux OS for Intel® Client platforms, it also supports the basic runtime PC10 status check.
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Support Nvidia proprietary driver when using NVreg_PreserveVideoMemoryAllocations #14
Currently the script isn't able to run on systems with Nvidia card due to being unable to enter sleep mode, even though Nvidia has a S0ix config.
Apparently the script tries to sleep by writing to /sys/power/state but this won't work on Nvidia when you use NVreg_PreserveVideoMemoryAllocations, since that requires starting the sleep via systemd, which is the default in RPMFusion's version of the Nvidia driver.
The system failed to place S2idle entry command by turbostat,
please check if the suspend is failed or turbostat tool version is old
e.g. did you make turbostat tool executable or separately run S2idle command:
rtcwake -m freeze -s 15
Currently the script isn't able to run on systems with Nvidia card due to being unable to enter sleep mode, even though Nvidia has a S0ix config.
Apparently the script tries to sleep by writing to
/sys/power/statebut this won't work on Nvidia when you useNVreg_PreserveVideoMemoryAllocations, since that requires starting the sleep via systemd, which is the default in RPMFusion's version of the Nvidia driver.Please see https://us.download.nvidia.com/XFree86/Linux-x86_64/525.89.02/README/powermanagement.html
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