Nouveau - Apr 2014 - [Bug 77003] New: Fan speed to high with Kernel versions 3.13.x - Nvidia GeForce GTS 240

https://bugs.freedesktop.org/show_bug.cgi?id=77003

          Priority: medium
            Bug ID: 77003
          Assignee: nouveau at lists.freedesktop.org
           Summary: Fan speed to high with Kernel versions 3.13.x - Nvidia
                    GeForce GTS 240
        QA Contact: xorg-team at lists.x.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: the.ant at gmx.net
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 96850
  --> https://bugs.freedesktop.org/attachment.cgi?id=96850&action=edit
Kernel_log

Since Kernel 3.13.x the fan speed of my NVIDIA GeForce GTS240 is much too high.

Output from sensors:
...
nouveau-pci-0100
Adapter: PCI adapter
fan1:        6693 RPM
temp1:        +69.0?C  (high = +95.0?C, hyst =  +3.0?C)
                       (crit = +105.0?C, hyst =  +5.0?C)
                       (emerg = +135.0?C, hyst =  +5.0?C)
...

With any kernel version below, i.e. Kernel 3.12.9 everything is fine. Fan speed
around 5000 RPM. 

First I thought it could be related to
https://bugzilla.kernel.org/show_bug.cgi?id=71711 but Guenter Roeck recommended
to open a bug report against Nouveau:

" ... Looks like Nouveau fan control does not work. No idea what may be
causing
this ...
well, possibly. There are two suspicious commits between 3.12 and 3.13.
Maybe the "remove everything" commit has undesirable side effects.

eec9901 drm/nouveau/hwmon: fix compilation without CONFIG_HWMON
b9ed919 drm/nouveau/drm/pm: remove everything except the hwmon interfaces to
THERM
..."

Thank you,
Roman

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--- Comment #1 from Roman Spirgi <the.ant at gmx.net> ---
Created attachment 96851
  --> https://bugs.freedesktop.org/attachment.cgi?id=96851&action=edit
Xorg log

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https://bugs.freedesktop.org/show_bug.cgi?id=77003

Roman Spirgi <the.ant at gmx.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |normal
           Priority|medium                      |high
            Summary|Fan speed to high with      |[NV50] Fan speed to high
                   |Kernel versions 3.13.x -    |with Kernel versions 3.13.x
                   |Nvidia GeForce GTS 240      |- Nvidia GeForce GTS 240
                   |                            |(NV92)

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--- Comment #2 from Martin Peres <martin.peres at ensi-bourges.fr> ---
Hi Roman,

Thanks for your report. The commits you reference are, I think, un-related. 5k
or 6.6k RPM is just insane! As everything looks fine from the kernel logs
perspective, could you provide me with your vbios[1]?

I am taking this issue very seriously, so please help me out so as we can fix
it!

Cheers,
Martin

[1] http://nouveau.freedesktop.org/wiki/DumpingVideoBios/

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--- Comment #3 from Roman Spirgi <the.ant at gmx.net> ---
Created attachment 96855
  --> https://bugs.freedesktop.org/attachment.cgi?id=96855&action=edit
vbios.rom

Vbtracetool didn't find file "pci/pci.h" during make. So I did
create it with
the nouveau module, hope this is OK instead.

Temp is quite high with 84?, isn't it? With Kernel versions < 3.13.x fan
speed
doesn't get up to 6Ks. I'm using Gnome 3 with Liber8, Firefox, ...
nothing
spectacular.

This is with Kernel 3.12.9:
---
nouveau-pci-0100
Adapter: PCI adapter
fan1:        4702 RPM
temp1:        +84.0?C  (high = +95.0?C, hyst =  +3.0?C)
                       (crit = +105.0?C, hyst =  +5.0?C)
                       (emerg = +135.0?C, hyst =  +5.0?C)
---

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--- Comment #4 from Martin Peres <martin.peres at ensi-bourges.fr> ---
(In reply to comment #3)
> Created attachment 96855 [details]
> vbios.rom
> 
> Vbtracetool didn't find file "pci/pci.h" during make. So I
did create it
> with the nouveau module, hope this is OK instead.
Looks good, thanks!
> 
> Temp is quite high with 84?, isn't it? With Kernel versions < 3.13.x
fan
> speed doesn't get up to 6Ks. I'm using Gnome 3 with Liber8,
Firefox, ...
> nothing spectacular.
Well, 84?C is nothing to be afraid of, especially on old cards. However,
looking at your vbios informed me that when your card is at 60?C, the fan speed
should be 35% and 100% at 90?C.

Could you try to check if manual fan management works perfectly (try 0 ->
100%
in 10 steps) both on the 3.12.9 and 3.13.x?

If this works fine, then I would like you to load nouveau with the following
parameter and send me the kernel log:
debug="PTHERM=debug"

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--- Comment #5 from Roman Spirgi <the.ant at gmx.net>
---
> Could you try to check if manual fan management works perfectly (try 0
->
> 100% in 10 steps) both on the 3.12.9 and 3.13.x?
How can I set the fan management to manual mode? 
With pwmconfig I can only test the fans on the motherboard apparently.

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--- Comment #6 from Martin Peres <martin.peres at ensi-bourges.fr> ---
(In reply to comment #5)
> > Could you try to check if manual fan management works perfectly (try 0
->
> > 100% in 10 steps) both on the 3.12.9 and 3.13.x?
> 
> How can I set the fan management to manual mode? 
> With pwmconfig I can only test the fans on the motherboard apparently.
Silly me, I forgot to add the link! 

https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/Documentation/thermal/nouveau_thermal

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--- Comment #7 from Martin Peres <martin.peres at ensi-bourges.fr> ---
Any news on this?

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Roman Spirgi <the.ant at gmx.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #8 from Roman Spirgi <the.ant at gmx.net> ---
Obsolete, changed my hardware

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