GPU 风扇在 23.10 上不旋转，fan1_input：操作不受支持

2024-6-11 • tag-icon

AMD R7 370 显卡上的 GPU 风扇在 ubuntu 23.10 上不旋转，似乎不支持 fan1_input 操作。我观察到 1 个风扇在内核 6.2 和 Ubuntu 23.04 启动时旋转。

$ uname -a
Linux skynet 6.5.0-26-generic #26-Ubuntu SMP PREEMPT_DYNAMIC Tue Mar  5 21:19:28 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

$ sudo lshw -c video 
  *-display                 
   description: VGA compatible controller
   product: Curacao PRO [Radeon R7 370 / R9 270/370 OEM]
   vendor: Advanced Micro Devices, Inc. [AMD/ATI]
   physical id: 0
   bus info: pci@0000:01:00.0
   logical name: /dev/fb0
   version: 81
   width: 64 bits
   clock: 33MHz
   capabilities: vga_controller bus_master cap_list rom fb
   configuration: depth=32 driver=amdgpu latency=0 resolution=1920,1080
   resources: iomemory:400-3ff irq:139 memory:4080000000-40ffffffff memory:99400000-9943ffff ioport:4000(size=256) memory:c0000-dffff

$ echo $XDG_SESSION_TYPE
X11

$ dkms status amdgpu
amdgpu/6.1.5-1609671.22.04, 6.2.0-25-generic, x86_64: installed

$ lsb_release -r
Release:    23.10

$ sensors
gigabyte_wmi-virtual-0
Adapter: Virtual device
temp1:        +30.0°C  
temp2:        +36.0°C  
temp3:        +27.0°C  
temp4:        -55.0°C  
temp5:        +27.0°C  
temp6:        +31.0°C  

amdgpu-pci-0100
Adapter: PCI adapter
fan1:         N/A
edge:         +47.0°C  (crit = +120.0°C, hyst = +90.0°C)


/sys/class/hwmon/hwmon2$ cat fan1_enable
1

/sys/class/hwmon/hwmon2$ cat fan1_input
cat: fan1_input: Operation not supported

/sys/class/hwmon/hwmon2$ cat  fan1_target
cat: fan1_target: Operation not supported

/sys/class/hwmon/hwmon2$ cat pwm1_enable
1


$ sudo pwmconfig
   hwmon0 is acpitz
   hwmon1 is nvme
   hwmon2 is amdgpu
   hwmon3 is coretemp
   hwmon4 is gigabyte_wmi
   hwmon5 is iwlwifi_1

Testing pwm control hwmon2/pwm1 ...
cat: hwmon2/fan1_input: Operation not supported
  hwmon2/fan1_input ... speed was  now 
/usr/sbin/pwmconfig: line 455: let: threshold=3*/4: syntax error: operand expected (error token is "/4")
    It appears that fan hwmon2/fan1_input
    is controlled by pwm hwmon2/pwm1
cat: hwmon2/fan1_input: Operation not supported
    Fan hwmon2/fan1_input has not returned to speed, please investigate!

$ systemctl status fancontrol

fancontrol.service - fan speed regulator
     Loaded: loaded (/lib/systemd/system/fancontrol.service; enabled; preset: e>
     Active: failed (Result: exit-code) since Wed 2024-04-03 10:43:23 EDT; 3min>
   Duration: 63ms
       Docs: man:fancontrol(8)
             man:pwmconfig(8)
    Process: 1118 ExecStartPre=/usr/sbin/fancontrol --check (code=exited, statu>
    Process: 1351 ExecStart=/usr/sbin/fancontrol (code=exited, status=1/FAILURE)

我尝试了 fancontrol、fan2go，但最终还是以读取 fan1_input 的相同错误告终。切换风扇也会出现同样的结果。甚至以前在 ubuntu 23.04 上工作的风扇现在在 23.10 上也完全不起作用了。

这是否意味着风扇坏了或 GPU 坏了？我怀疑是 1 个风扇坏了。我怎样才能让风扇根据其温度运行？谢谢。

GPU 风扇在 23.10 上不旋转，fan1_input：操作不受支持

答案1

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