Comments (3)
Ok, so I've done a large amount of reading and it looks like kernel 6.5 comes with the new amd-pstate-epp driver enabled by default. CPUFreq uses cpufreqctl to interface with the system, which no longer works, since the old acpi-cpufreq driver is no longer in use. I can only guess that parts of CPUFreq will need to be re-written to interface with the amd-pstate-epp driver at some point. In the meantime, you can revert to the old acpi-cpufreq driver in Ubuntu 22.04.3 by following these instructions:
$ sudo nano /etc/default/grub
- Change this line: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
- To this: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash amd_pstate=disable"
- Ctrl+O to Save, Ctrl+X to Exit
$ sudo update-grub
$ sudo reboot
NOTE: I do not know the repercussions of reverting this driver. There may be performance or power differences that I'm unaware of.
from cpufreq.
After following the instructions above, CPUFreq appears to be back to normal.
from cpufreq.
(Please ignore any email from the comment that I've removed. It applied to cpupower-gui
app, but not necessarily to cpufreq
.)
from cpufreq.
Related Issues (20)
- Please update to Gnome 42 HOT 19
- Object 0x31141927d058 is not a subclass of GObject_Object, it's a Object HOT 5
- Closes on lost focus HOT 1
- Variable width values cause the display to jump around HOT 2
- Set Power Profile on "Balanced" by default (?) HOT 1
- compatibility with Auto-CPUFreq HOT 4
- App Unresponsive HOT 1
- Please update to Gnome 43 HOT 8
- Help with installing HOT 1
- Maximum CPU speed visible despite of real CPU speed HOT 2
- Limited to 64 threads
- Memory leak? HOT 9
- Dynamic application of turbo boost [feature proposal]
- Add support for GNOME 44 HOT 2
- After uncertain amount of time cpufreqctl keeps spawning infinite processes HOT 5
- questions about compatibiity with auto-cpufreq
- Suggestion: Option to Choose Which CPU Cores to Disable on 12th Gen Intel Processors / Hybrid CPU Layouts HOT 1
- [Feature request] Update to the G45 version HOT 12
- Question regarding the original power management
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