diff options
Diffstat (limited to 'common/pc/laptop/cpu-throttling-bug.nix')
-rw-r--r-- | common/pc/laptop/cpu-throttling-bug.nix | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/common/pc/laptop/cpu-throttling-bug.nix b/common/pc/laptop/cpu-throttling-bug.nix new file mode 100644 index 0000000..a44bb72 --- /dev/null +++ b/common/pc/laptop/cpu-throttling-bug.nix @@ -0,0 +1,38 @@ +{ config, pkgs, ... }: +{ + # Temporary fix for cpu throttling issues visible in the kernel log + # (journalctl -k) by setting the same temperature limits used by + # Window$ + # See https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Carbon_(Gen_6)#Power_management.2FThrottling_issues + systemd.services.cpu-throttling = { + enable = true; + description = "Sets the offset to 3 °C, so the new trip point is 97 °C"; + documentation = [ + "https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Carbon_(Gen_6)#Power_management.2FThrottling_issues" + ]; + path = [ pkgs.msr-tools ]; + script = "wrmsr -a 0x1a2 0x3000000"; + serviceConfig = { + Type = "oneshot"; + }; + wantedBy = [ + "timers.target" + ]; + }; + + systemd.timers.cpu-throttling = { + enable = true; + description = "Set cpu heating limit to 97 °C"; + documentation = [ + "https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Carbon_(Gen_6)#Power_management.2FThrottling_issues" + ]; + timerConfig = { + OnActiveSec = 60; + OnUnitActiveSec = 60; + Unit = "cpu-throttling.service"; + }; + wantedBy = [ + "timers.target" + ]; + }; +} |