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Armand Karlsen
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Joined: 18 Aug 2005
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Location: London, UK
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 Posted: Sun Sep 29, 2024 5:07 pm Post subject: Nvidia GPU fan excessive noise |
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My computer has an Nvidia RTX 2080 Ti GPU which has a very annoying habit of the fan going absolutely nuts when running games (e.g.: quiet, quiet, quiet, FULL SPEED SCREAMING, quiet, quiet, SCREAMING, quiet, SCREAMING, etc etc). When I used to have Windows 10 on the machine, I would keep this under control with MSI Afterburner and just set a maximum target temperature, then Afterburner would dynamically adjust the fan and other GPU parameters to keep things reasonable.
Is there any equivalent utility to do this in Gentoo, or otherwise a way to stop the fan going crazy? |
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jpsollie
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madmin
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Ralphred
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Joined: 31 Dec 2013
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| Posted: Mon Sep 30, 2024 12:08 pm Post subject: |
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If you can't find something that does what you want out of the box, I have an amd tailored daemon written in python - it would be trivial to change the part of it that does the actual "set fan speed to" to use the CLI tool mentioned in the topic madmin linked if you hit a wall; feel free to ask for an nvida version if that happens, and you have the time/inclination to help with testing.
Though, reading said thread creates the impression that CLI fan control is done via communication with X, so having custom fan control started as part of your DE login or "gamemode" scripts seems more appropriate? |
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Armand Karlsen
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Joined: 18 Aug 2005
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Location: London, UK
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| Posted: Mon Sep 30, 2024 6:28 pm Post subject: |
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| jpsollie wrote: | which driver are you using? if it's the proprietary driver, I remember it has some config tool which may allow you to set some thermal limits
for the open-source driver I'm not sure whether that one already supports thermal limits.
maybe you can find a lookalike method which is being used with the amdgpu driver? https://wiki.gentoo.org/wiki/AMDGPU#Power_management |
I'm using the proprietary nvidia-drivers-550.107.02-r1 at the moment. The nvidia-settings utility does let me set the fan speed, but it seems a simplistic "set target fan speed" only, with no other controls that I can find. (that's why I was asking about an MSI Afterburner equivalent). Sadly, I can't see quite the same items as described in the amdgpu article, and I don't want to poke around at random. |
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Armand Karlsen
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Joined: 18 Aug 2005
Posts: 58
Location: London, UK
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| Posted: Mon Sep 30, 2024 6:39 pm Post subject: |
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| Ralphred wrote: | If you can't find something that does what you want out of the box, I have an amd tailored daemon written in python - it would be trivial to change the part of it that does the actual "set fan speed to" to use the CLI tool mentioned in the topic madmin linked if you hit a wall; feel free to ask for an nvida version if that happens, and you have the time/inclination to help with testing.
Though, reading said thread creates the impression that CLI fan control is done via communication with X, so having custom fan control started as part of your DE login or "gamemode" scripts seems more appropriate? |
By all means, I'd be happy to have a look at an nvidia version  I don't have a "gamemode" setup as such, but I would at least like to have something that just sits in the background to more smoothly apply the fan, rather than those annoying fan spikes. |
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Ralphred
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Joined: 31 Dec 2013
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| Posted: Wed Oct 02, 2024 1:16 pm Post subject: |
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| Armand Karlsen wrote: | | I'd be happy to have a look at an nvidia version I don't have a "gamemode" setup as such, but I would at least like to have something that just sits in the background to more smoothly apply the fan, rather than those annoying fan spikes. |
I have an old junker in the spare room with a quadro card in it, give me a week to throw an OS at it and sort it out >> this feels like a better way forward than "remote testing" when someone else's hardware is on the line... |
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Ralphred
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Joined: 31 Dec 2013
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| Posted: Sat Oct 05, 2024 9:09 pm Post subject: |
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So, it's working, you need | Code: | | Option "CoolBits" "4" |
in your xorg device section (which you probably have).
The py code is here and the kmplot file that was used to "make the fan curve" is here, for your tinkering pleasure.
My card only had one fan, but I defaulted it to three (that's normal, no?), the rest is self explanatory or in the code comments.
It will die horribly if the Xserver shuts down, which is kind of handy as no-one wants more than one of them vying for supremacy, it'll also refuse to start if one is running.
There is some pretty robust "stop" code (albeit ugly) if it crashes or goes zombie, and it will run the fans at max speed for 5 seconds on start-up, so you don't have to go and check it's working. |
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