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Old 04-13-12, 06:31 AM   #1
crushcardinale
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Join Date: Sep 2011
Posts: 4
Default Cannot set fan speed below 55% on 295.40 drivers. Previously worked.

With the previous drivers I was able to lower the fan speed of my GPU to 20%. Now I can only set it to 55% (the default speed after X is started) or higher. None of the following methods work:

a) Setting the fan speed in the nvidia-settings GUI. Any value I try below 55%, it just sets back to 55%.

b)
Code:
nvidia-settings -a "[gpu:0]/GPUFanControlState=1" -a "[fan:0]/GPUCurrentFanSpeed=20"
Output:
Code:
  Attribute 'GPUFanControlState' (NightFury:0[gpu:0]) assigned value 1.

  Attribute 'GPUCurrentFanSpeed' (NightFury:0[fan:0]) assigned value 20.
But the fan speed remains the same if I try to set it below 55% (I can hear it so and I can check it in the nvidia-settings GUI).

c) "nvclock -f -F 20" previously worked, but now I get a segmentation fault. I know nvclock isn't something officially supported, but I thought you should know anyway.

I want to mention that the GPU temperature is not an issue. Previously with 20% fan speed it would stay around 55C. Now it's at 47C.

I have attached the output from nvidia-bug-report.sh
Attached Files
File Type: gz nvidia-bug-report.log.gz (32.0 KB, 71 views)
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