Nouveau - Jul 2014 - [Bug 80900] New: [NVCF] PWM fan speed too high under kernel 3.15

https://bugs.freedesktop.org/show_bug.cgi?id=80900

          Priority: medium
            Bug ID: 80900
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NVCF] PWM fan speed too high under kernel 3.15
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: gianni at rootcube.net
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 10.2
         Component: Drivers/DRI/nouveau
           Product: Mesa

Created attachment 102242
  --> https://bugs.freedesktop.org/attachment.cgi?id=102242&action=edit
Dmesg

Since updating to kernel 3.15, the pwm fan speed of my 550 Ti card is too high
(above 35% in all situations) when compared with the proprietary NVIDIA driver
(that hovers around 30%).
The only way to reduce it to silence once again is to manually change the
pwm1_max value under sysfs to 30 (by default it's 100).

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https://bugs.freedesktop.org/show_bug.cgi?id=80900

--- Comment #1 from Martin Peres <martin.peres at ensi-bourges.fr> ---
(In reply to comment #0)
> Created attachment 102242 [details]
> Dmesg
> 
> Since updating to kernel 3.15, the pwm fan speed of my 550 Ti card is too
> high (above 35% in all situations) when compared with the proprietary
NVIDIA
> driver (that hovers around 30%).
> The only way to reduce it to silence once again is to manually change the
> pwm1_max value under sysfs to 30 (by default it's 100).
Can you tell me the temperature of the GPU (run "sensors"). Then,
could you
send me your vbios (http://nouveau.freedesktop.org/wiki/DumpingVideoBios/) ?

Thanks for reporting the issue.

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https://bugs.freedesktop.org/show_bug.cgi?id=80900

Ilia Mirkin <imirkin at alum.mit.edu> changed:

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

--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
The newer bug has all the various info.

*** This bug has been marked as a duplicate of bug 80901 ***

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