Nouveau - Sep 2015 - [Bug 92013] New: [NVA0] 4.3-rc1 fan set to full speed after resume from suspend

https://bugs.freedesktop.org/show_bug.cgi?id=92013

            Bug ID: 92013
           Summary: [NVA0] 4.3-rc1 fan set to full speed after resume from
                    suspend
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: boohbah at gmail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 118294
  --> https://bugs.freedesktop.org/attachment.cgi?id=118294&action=edit
lspci -vv

The fan on my GeForce GTX 275 turns on to full speed after resuming from
suspend.
This started with Linux 4.3-rc1, and does not happen in 4.2-rc8.
I am running Arch Linux and compiling my kernel from git, with mesa 10.6.7 and
xf86-video-nouveau 1.0.11.
I have attached lspci output for my card.
I did a git bisect and came up with this:
first bad commit: [2aa5eac5163fedf09f2d61992cb5ea4d75bec9db] drm/nouveau/i2c:
transition pad/ports away from being based on nvkm_object

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--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Wow that's a monster commit. Which also happens to change the semantics of a
*whole lot* of stuff. Unfortunately this will have to wait for Ben to take a
look. In the meanwhile, would you mind posting a dmesg when the kernel is
booted with nouveau.debug=debug from both right before and at this commit?
Should hopefully show what's going wrong.

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--- Comment #2 from Matt Henry <boohbah at gmail.com> ---
Created attachment 118338
  --> https://bugs.freedesktop.org/attachment.cgi?id=118338&action=edit
4.2.0-rc8-gd36a99d.dmesg

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--- Comment #3 from Matt Henry <boohbah at gmail.com> ---
Created attachment 118339
  --> https://bugs.freedesktop.org/attachment.cgi?id=118339&action=edit
4.2.0-rc8-g2aa5eac.dmesg

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--- Comment #4 from Ben Skeggs <skeggsb at gmail.com> ---
I just pushed a fix[1] to my tree, and will get it into 4.3 before it's
released.

[1]
http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=89c6340107f41f8e273efb273c20b732d768aa41

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--- Comment #5 from Matt Henry <boohbah at gmail.com> ---
I tested the patch and I can confirm that it resolves the issue.
Thank you.

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Martin Peres <martin.peres at free.fr> changed:

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

--- Comment #6 from Martin Peres <martin.peres at free.fr> ---
Let's close this bug then. Thanks for reporting the issue and testing the
patch!

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