[umbrello] [Bug 402290] New: OpenGL Warning: "Assertion failed" on virtual box windows 7 guest

[Ralf Habacker]

https://bugs.kde.org/show_bug.cgi?id=402290

            Bug ID: 402290
           Summary: OpenGL Warning: "Assertion failed" on virtual box
                    windows 7 guest
           Product: umbrello
           Version: 2.26.2 (KDE Applications 18.08.2)
          Platform: Other
                OS: MS Windows
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: umbrello-devel at kde.org
          Reporter: ralf.habacker at freenet.de
        Depends on: 402289
            Blocks: 380136
  Target Milestone: ---

umbrello5 on a Windows 7 virtual box 5.22 guest on linux host from binary
factory prints out the following message:

OpenGL Warning: Assertion failed: g_pAvailableContexts[ctx->id] == ctx=0, file
D:\tinderbox\add-5.1\src\VBox\GuestHost\OpenGL\state_tracker\state_init.c, line
443
OpenGL Warning: freeing context 0000000003a10080, id(0) not being in the
context list
OpenGL Warning: State tracker is being re-initialized..

STEPS TO REPRODUCE
1. download umbrello5 from
https://binary-factory.kde.org/job/Umbrello_Nightly_win64/
2. unpack archive, enter 'bin' dir and run umbrello5

OBSERVED RESULT
The mentioned messages are displayed. 


EXPECTED RESULT
The mentioned message should not be shown

SOFTWARE/OS VERSIONS
Windows: 7
(available in About System)
KDE Frameworks Version: About System is not available yet, because app does not
start, caused by bug 402289
Qt Version: About System is not available yet, because app does not start,
caused by bug 402289

ADDITIONAL INFORMATION
The problem has been reported at https://www.virtualbox.org/ticket/11889


Referenced Bugs:

https://bugs.kde.org/show_bug.cgi?id=380136
[Bug 380136] Fix KF5 issues on Windows
https://bugs.kde.org/show_bug.cgi?id=402289
[Bug 402289] umbrello from binary factory does not start
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