[BUG] Fancurve not showing and EC Chip ID not 8227

[Bryntet]

Problem Description EC Chip ID is 5507 (not 8227) and fancurve showing as 0 everywhere.

Has the bug occurred following steps described in the README? Yes

What steps did you take? Installed it using the AUR

What commands did you enter? sudo cat /sys/kernel/debug/legion/fancurve

What was the (full) error you received and what command or action did lead to it?

EC Chip ID: 5507
EC Chip Version: 2a4
legion_laptop features: fancurve powermode platformprofile platformprofilenotify minifancurve
legion_laptop ec_readonly: 0
ACPI CFG error: 0
ACPI CFG: 2081289482
temperature access method: 5
CPU temperature error: 0
CPU temperature: 75
CPU temperature EC error: 0
CPU temperature EC: 0
CPU temperature ACPI error: 0
CPU temperature ACPI: 75
CPU temperature WMI error: 0
CPU temperature WMI: 0
CPU temperature WMI2 error: 0
CPU temperature WMI2: 0
CPU temperature WMI3 error: 0
CPU temperature WMI3: 75
GPU temperature error: 0
GPU temperature: 50
GPU temperature EC error: 0
GPU temperature EC: 0
GPU temperature ACPI error: 0
GPU temperature ACPI: 50
GPU temperature WMI error: 0
GPU temperature WMI: 0
GPU temperature WMI2 error: 0
GPU temperature WMI2: 0
GPU temperature WMI3 error: 0
GPU temperature WMI3: 50
fan speed access method: 5
1 fanspeed error: 0
1 fanspeed: 2500
1 fanspeed EC error: 0
1 fanspeed EC: 48
1 fanspeed ACPI error: 0
1 fanspeed ACPI: 2500
1 fanspeed WMI error: 0
1 fanspeed WMI: 0
1 fanspeed WMI2 error: 0
1 fanspeed WMI2: 0
1 fanspeed WMI3 error: 0
1 fanspeed WMI3: 2500
2 fanspeed error: 0
2 fanspeed: 2700
2 fanspeed EC error: 0
2 fanspeed EC: 0
2 fanspeed ACPI error: 0
2 fanspeed ACPI: 2700
2 fanspeed WMI error: 0
2 fanspeed WMI: 0
2 fanspeed WMI2 error: 0
2 fanspeed WMI2: 0
2 fanspeed WMI3 error: 0
2 fanspeed WMI3: 2700
powermode access method: 3
powermode error: 0
powermode: 1
powermode EC error: 0
powermode EC: 18
powermode ACPI error: -5
powermode ACPI: 0
powermode WMI error: 0
powermode WMI: 1
has custom powermode: 1
ACPI rapidcharge error: 0
ACPI rapidcharge: 1
WMI backlight 2 state: 0
WMI backlight 3 state: -14
WMI light IO port: 0
WMI light y logo/lid: 0
EC minifancurve feature enabled: 0
EC minifancurve on cool: error
EC lockfancontroller error: 0
EC lockfancontroller: false
fanfullspeed error: 0
fanfullspeed: 0
fanfullspeed EC error: 0
fanfullspeed EC: 0
EC fan curve current point id: 0
EC fan curve points size: 10
Current fan curve in hardware:
rpm1|rpm2|acceleration|deceleration|cpu_min_temp|cpu_max_temp|gpu_min_temp|gpu_max_temp|ic_min_temp|ic_max_temp
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
=====================
Current fan curve in hardware (WMI; might be empty)
rpm1|rpm2|acceleration|deceleration|cpu_min_temp|cpu_max_temp|gpu_min_temp|gpu_max_temp|ic_min_temp|ic_max_temp
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
0   0   0   0   0   0   0   0   0   0
=====================

Model and Debug Info

Distribution: Arch (including version, e.g. Ubuntu 24.04) Model name: Lenovo Legion Pro 5 16ARX8 CPU model: AMD Ryzen 9 7945HX GPU model: NVIDIA RTX 4070 Keyboard backlight: RGB Light in lid or logo: No(yes/no) Light at IO-Ports at back: Yes, at the power input (yes/no)

Output of sudo dmidecode -t system. Please remove Serial Number and UUID for privacy:

# dmidecode 3.5
Getting SMBIOS data from sysfs.
SMBIOS 3.4.0 present.

Handle 0x0001, DMI type 1, 27 bytes
System Information
    Manufacturer: LENOVO
    Product Name: 82WM
    Version: Legion Pro 5 16ARX8
    Serial Number: XXXXX
    UUID: XXXXXX
    Wake-up Type: Power Switch
    SKU Number: LENOVO_MT_82WM_BU_idea_FM_Legion Pro 5 16ARX8
    Family: Legion Pro 5 16ARX8

Handle 0x0017, DMI type 12, 5 bytes
System Configuration Options
    Option 1: String1 for Type12 Equipment Manufacturer
    Option 2: String2 for Type12 Equipment Manufacturer
    Option 3: String3 for Type12 Equipment Manufacturer
    Option 4: String4 for Type12 Equipment Manufacturer

Handle 0x0026, DMI type 32, 20 bytes
System Boot Information
    Status: No errors detected

Output of sudo dmidecode -t bios:

# dmidecode 3.5
Getting SMBIOS data from sysfs.
SMBIOS 3.4.0 present.

Handle 0x0000, DMI type 0, 26 bytes
BIOS Information
    Vendor: LENOVO
    Version: LPCN44WW
    Release Date: 06/28/2023
    Address: 0xE0000
    Runtime Size: 128 kB
    ROM Size: 32 MB
    Characteristics:
        PCI is supported
        PNP is supported
        BIOS is upgradeable
        BIOS shadowing is allowed
        Boot from CD is supported
        Selectable boot is supported
        EDD is supported
        ACPI is supported
        USB legacy is supported
        BIOS boot specification is supported
        Function key-initiated network boot is supported
        Targeted content distribution is supported
        UEFI is supported
    BIOS Revision: 1.44
    Firmware Revision: 1.44

Handle 0x0018, DMI type 13, 22 bytes
BIOS Language Information
    Language Description Format: Long
    Installable Languages: 4
        en|US|iso8859-1
        fr|FR|iso8859-1
        ja|JP|unicode
        zh|TW|unicode
    Currently Installed Language: en|US|iso8859-1

Output of sudo cat /sys/kernel/debug/legion/fancurve: Already put this above :)

[gunters63]

I have the same model, only with 4060 GPU and exactly the same debug output. I am willing to help troubleshooting this :)

[jgirardet]

Same model as OP, same thing, except under Pop0S 22/04