Bug 92126

Summary: [NVE4] GTX 760 Auto fan speed stays at 10% until temp hits 90C
Product: xorg Reporter: daemon32 <lnf.purple>
Component: Driver/nouveauAssignee: Nouveau Project <nouveau>
Status: RESOLVED MOVED QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: medium    
Version: unspecified   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
Linux 4.2.1 dmesg with master_karol_stable module
none
PNY GTX 760 vbios none

Description daemon32 2015-09-26 03:00:42 UTC
Created attachment 118454 [details]
Linux 4.2.1 dmesg with master_karol_stable module

The fan speed of the PNY GTX 760 stays at 0% until reaching the critical temperature of 90° C. This happens on the stock nouveau module from 4.2.1, but I will include the git info nonetheless:

https://github.com/karolherbst/nouveau
Commit fc135d4e28fe05ef1269fd9e1af5f7af1284893d
Comment 1 daemon32 2015-09-26 03:01:26 UTC
Created attachment 118455 [details]
PNY GTX 760 vbios
Comment 2 daemon32 2015-12-17 05:33:11 UTC
http://lists.freedesktop.org/archives/nouveau/2015-November/023401.html

This patch fixes the problem (sort of), now, however the fan will spin up to be obnoxiously loud. As in: 4000 RPM at 50C!
Comment 3 Martin Peres 2015-12-17 11:04:04 UTC
So sorry I missed this bug report! Thanks for providing the vbios and, above all, testing my patch!

I will have a look at it today or tomorrow morning. There must be a stupid issue but that would be in the common code, which is weird!
Comment 4 daemon32 2015-12-17 23:32:30 UTC
You're welcome, I like to help out wherever I can!
Comment 5 Karol Herbst 2016-04-16 10:49:29 UTC
Is this bug fixed in recent kernels? (4.5 I think?)
Comment 6 daemon32 2016-04-19 04:36:16 UTC
(In reply to Karol Herbst from comment #5)
> Is this bug fixed in recent kernels? (4.5 I think?)

Well, sort of, the fan spins up, but it takes off like a jet engine at a mere 50° C. (I'm using your out-of-tree module currently)
Comment 7 Karol Herbst 2016-04-19 08:01:46 UTC
(In reply to daemon32 from comment #6)
> (In reply to Karol Herbst from comment #5)
> > Is this bug fixed in recent kernels? (4.5 I think?)
> 
> Well, sort of, the fan spins up, but it takes off like a jet engine at a
> mere 50° C. (I'm using your out-of-tree module currently)

ahh okay. Well there are some known fan issues left, we try to investigate it as soon as possible.
Comment 8 Martin Peres 2019-12-04 09:04:04 UTC
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