Nouveau - Feb 2014 - [Bug 74316] New: [NV92] Graphical corruption on KDE shutdown/restart/log out screen

https://bugs.freedesktop.org/show_bug.cgi?id=74316

          Priority: medium
            Bug ID: 74316
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NV92] Graphical corruption on KDE
                    shutdown/restart/log out screen
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: anakin.cs at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 93166
  --> https://bugs.freedesktop.org/attachment.cgi?id=93166&action=edit
kernel log

When I try to shutdown/restart/log out of KDE, the window with the countdown
opens and show up correctly, but the background is corrupted with random stuff
such as windows/menus that were opened before, or even currently opened windows
but totally reversed and/or at different places. 
Unfortunately, it doesn't look like I can take a screenshot while that
screen
is open.
It works fine with the proprietary driver.

Card: Nvidia 8800 GT
I am using mesa-git (as of commit 80bf1fbaf6bb3d9b7a8543ea764c6d19887ac0b8).
xf86-video-nouveau 1.0.10-2
Arch Linux

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--- Comment #1 from AnAkkk <anakin.cs at gmail.com> ---
Same issue with ArchLinux mesa package:
mesa 10.0.2-1

I forgot to say that I have xorg server 1.15.

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--- Comment #2 from AnAkkk <anakin.cs at gmail.com> ---
Sorry for multiple posting.
I am not sure why I mentionned mesa though, I guess it doesn't matter if
it's a
2D bug.

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--- Comment #3 from AnAkkk <anakin.cs at gmail.com> ---
More info:
The corruption only appears when the KDE desktop effect "Logout" is
enabled. It
is enabled by default.

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AnAkkk <anakin.cs at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         QA Contact|xorg-team at lists.x.org       |
            Product|xorg                        |Mesa
          Component|Driver/nouveau              |Drivers/DRI/nouveau

--- Comment #4 from AnAkkk <anakin.cs at gmail.com> ---
Here's the error I get with MESA_DEBUG=1:
Mesa: User error: GL_INVALID_OPERATION in glBlitFramebufferEXT(bad src/dst
multisample pixel formats)

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

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

--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to comment #4)
> Here's the error I get with MESA_DEBUG=1:
> Mesa: User error: GL_INVALID_OPERATION in glBlitFramebufferEXT(bad src/dst
> multisample pixel formats)
The application is performing some invalid operation, and mesa is complaining
about it. Not a driver bug. Could be a core mesa bug if it's incorrectly
determining that the operation is invalid :)

Feel free to reopen if the KDE people determine that this really is a nouveau
bug somehow.

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AnAkkk <anakin.cs at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|NOTOURBUG                   |---

--- Comment #6 from AnAkkk <anakin.cs at gmail.com> ---
According to kde developers, there may be a mesa or nouveau bug after all:

"Fredrik says, the configs should arrive with min. samples first, so this
would
be a MESA/nouveau bug.'

"It seems to prefer TrueColor over DirectColor (that's expected) over
sample
count sorting (may be intended), but even then 0x157 should apparently take
precedence: 

0x153 24 tc 0 24 0 r . . 8 8 8 0 . . 0 0 0 0 0 0 0 0 0 None 
0x157 24 tc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 0 0 None 
0x1ae 24 dc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 0 0 None 

So given the sample count sorting is still supposed, there's a bug in either
nouveau or MESA, it appears the double buffer support is ignored when sorting
the list (so that 0x153 and 0x157 are assumed equal, 0x153 moved to front and
0x157 ignored from sorting) - but that's sth. for the MESA devs to say
=)"

See https://bugs.kde.org/show_bug.cgi?id=330986#c41

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--- Comment #7 from AnAkkk <anakin.cs at gmail.com> ---
Might be interesting as well:

https://git.reviewboard.kde.org/r/115762/

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AnAkkk <anakin.cs at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|unspecified                 |10.0

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--- Comment #8 from Emil Velikov <emil.l.velikov at gmail.com> ---
Fredrik just posted a couple of patches [1] [2]. The first of which should
resolve the problem.

[1] http://patchwork.freedesktop.org/patch/20458/
[2] http://patchwork.freedesktop.org/patch/20464/

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--- Comment #9 from AnAkkk <anakin.cs at gmail.com> ---
I can confirm these patches fix my issue.

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AnAkkk <anakin.cs at gmail.com> changed:

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

--- Comment #10 from AnAkkk <anakin.cs at gmail.com> ---
Fixed

http://cgit.freedesktop.org/mesa/mesa/commit/?id=3616e862f29838d73fcb05134b1dc628da499fc2
http://cgit.freedesktop.org/mesa/mesa/commit/?id=f41c2f6c332ae9b9784ac924b718963a1086cb85

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