Nouveau - Aug 2013 - [Bug 68254] New: [Regression] no green channel since linux 3.10.x upgrade

https://bugs.freedesktop.org/show_bug.cgi?id=68254

          Priority: medium
            Bug ID: 68254
          Assignee: nouveau at lists.freedesktop.org
           Summary: [Regression] no green channel since linux 3.10.x
                    upgrade
        QA Contact: xorg-team at lists.x.org
          Severity: blocker
    Classification: Unclassified
                OS: Linux (All)
          Reporter: elsifaka at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 84220
  --> https://bugs.freedesktop.org/attachment.cgi?id=84220&action=edit
dmesg output without green channel

Since linux 3.10.x upgrade on Arch linux, I lost green channel and X is not
usable anymore, system does not crash, my laptop just show a pink screen. and
text is pink on VT.

Everything is fine on an old 3.8 kernel from nouveau-git.

The laptop has a nvidia GT560M.

Attached dmesg output from the latest kernel and the one which works.

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https://bugs.freedesktop.org/show_bug.cgi?id=68254

--- Comment #1 from Tosoa Bacca <elsifaka at gmail.com> ---
Created attachment 84221
  --> https://bugs.freedesktop.org/attachment.cgi?id=84221&action=edit
dmesg output from a working kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=68254

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[Regression] no green       |[NVC3] [Regression] no
                   |channel since linux 3.10.x  |green channel since linux
                   |upgrade                     |3.10.x upgrade from 3.8

--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
This looks like a prime candidate for a bisect, should be quite obvious whether
the kernel is successful or not. You should only need to bisect in the
drivers/gpu/drm/nouveau directory (it's an argument to git bisect start, so
that it only considers commits that touched that path).

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

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

--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
No response in a year. If this is still an issue with the latest software, feel
free to reopen.

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