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Update Readme Troubleshooting with How to Disable AMD-Pstate #466

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Dec 17, 2022
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Update Readme Troubleshooting with How to Disable AMD-Pstate #466

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14 changes: 11 additions & 3 deletions README.md
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Expand Up @@ -280,16 +280,24 @@ If daemon has been installed, live stats of CPU/system load monitoring and optim
* CPU is not scaling to minimum/maximum frequencies
* suboptimal CPU performance

**A:** If you're using `intel_pstate` CPU management driver consider changing it to: `acpi-cpufreq`.
**A:** If you're using `intel_pstate/amd-pstate` CPU management driver, consider changing it to `acpi-cpufreq`.

This can be done by editing `/etc/default/grub` file and appending `intel_pstate=disable` to `GRUB_CMDLINE_LINUX_DEFAULT` line, followed by `sudo update-grub`
This can be done by editing the `GRUB_CMDLINE_LINUX_DEFAULT` params in `/etc/default/grub`.

Example line change:
For Intel users:

```
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash intel_pstate=disable"
```

For AMD users:

```
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash initcall_blacklist=amd_pstate_init amd_pstate.enable=0"
```

After you are done, run `sudo update-grub` or `sudo grub-mkconfig -o /boot/grub/grub.cfg`, if you are using Arch.

## Discussion:

* Blogpost: [auto-cpufreq - Automatic CPU speed & power optimizer for Linux](http://foolcontrol.org/?p=3124)
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