Nouveau - Jan 2014 - [Bug 74123] New: [NVE7] windows maximize behind xfce4-panel until settings viewed

https://bugs.freedesktop.org/show_bug.cgi?id=74123

          Priority: medium
            Bug ID: 74123
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NVE7] windows maximize behind xfce4-panel until
                    settings viewed
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: jcollins at asgardsrealm.net
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 92873
  --> https://bugs.freedesktop.org/attachment.cgi?id=92873&action=edit
window maximizing behind panel

Running a 3.13 kernel, built from upstream git repository (commit
d8ec26d7f8287f5788a494f56e8814210f0e64be) and the associated nouveau driver
from the kernel source tree.

When any window is maximized before first viewing the xfce4-panel settings, it
maximized behind the xfce4-panel(s).  Once the panel settings have been viewed,
the windows no longer maximize behind the panel.  The settings for each panel
have to be viewed, but only once per session.

Normally, I would consider this an issue with xfce4 (either the panel or window
manager).  However, changing the video driver (from nouveau to intel) prevents
the problem.

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Jamin Collins <jcollins at asgardsrealm.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #92873|0                           |1
        is obsolete|                            |

--- Comment #1 from Jamin Collins <jcollins at asgardsrealm.net> ---
Created attachment 92874
  --> https://bugs.freedesktop.org/attachment.cgi?id=92874&action=edit
window maximizing behind panel

Attaching with correct file type.

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #92874|application/octet-stream    |video/x-m4v
          mime type|                            |

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--- Comment #2 from Jamin Collins <jcollins at asgardsrealm.net> ---
Created attachment 92875
  --> https://bugs.freedesktop.org/attachment.cgi?id=92875&action=edit
correct behavior with intel driver

By switching the display graphics from discrete to integrated and thus the
video driver from nouveau to intel, the problem goes away.

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--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
This sounds like some sort of minor bug in the nouveau DDX wrt how it's
reporting screen heights wrt WM fixups/etc. Unfortunately I don't know
enough
about those details to tell what's going on... perhaps you could get an xfce
dev to clue us into what we're doing wrong?

Although it's telling that _after_ you run the settings, it all starts
working.
So perhaps we're missing some bit of initialization? Would be nice to know
exactly what these things are doing.

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #92875|application/octet-stream    |video/x-m4v
          mime type|                            |

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--- Comment #4 from Jamin Collins <jcollins at asgardsrealm.net> ---
To further complicate things, this doesn't appear to be a problem with the
driver version shipping with the 3.13 Linux kernel tree.

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Jamin Collins <jcollins at asgardsrealm.net> changed:

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

--- Comment #5 from Jamin Collins <jcollins at asgardsrealm.net> ---
I'm not able to replicate this behavior when using the 3.13 kernel releases
from kernel.org and their associated nouveau driver.  I can reliably reproduce
this when using the 3.11 kernel from Ubuntu's 13.10 release and their
associated nouveau driver.  Going to close this as resolved/fixed.

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