https://bugs.kde.org/show_bug.cgi?id=433634

            Bug ID: 433634
           Summary: Segmentation fault at startup. Seems to be an issue
                    with graphics initialization relating to deepin.
           Product: krita
           Version: git master
          Platform: Manjaro
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: General
          Assignee: krita-bugs-n...@kde.org
          Reporter: awesomeholdengr...@gmail.com
  Target Milestone: ---

I have tried updating Krita and building from source yesterday. Krita used to
work, but I have been having this issue for a while that it immediately crashes
(segfault) at initialization.


These I assume are the steps reproduce.
1. Install Manjaro KDE.
2. Install deepin packages.
3. Install krita.
4. Enjoy not being able to use Krita I guess.

I used gdb for debugging.

Output after running:
```
Thread 1 "krita" received signal SIGSEGV, Segmentation fault.
0x00007fffee34a3fa in
deepin_platform_plugin::DPlatformIntegration::~DPlatformIntegration() () from
/usr/lib/qt/plugins/platforms/libdxcb.so
```

Output after backtracing:
```
#0  0x00007fffee34a3fa in
deepin_platform_plugin::DPlatformIntegration::~DPlatformIntegration() () at
/usr/lib/qt/plugins/platforms/libdxcb.so                
#1  0x00007fffee34a41a in
deepin_platform_plugin::DPlatformIntegration::~DPlatformIntegration() () at
/usr/lib/qt/plugins/platforms/libdxcb.so                
#2  0x00007ffff2b1e8fc in QGuiApplicationPrivate::~QGuiApplicationPrivate() ()
    at /usr/lib/libQt5Gui.so.5
#3  0x00007ffff2b1ec7a in QGuiApplicationPrivate::~QGuiApplicationPrivate() ()
    at /usr/lib/libQt5Gui.so.5
#4  0x00007fffee348fba in
deepin_platform_plugin::VtableHook::autoCleanVtable(void const*) () at
/usr/lib/qt/plugins/platforms/libdxcb.so                     
#5  0x00007ffff2b21bca in QGuiApplication::~QGuiApplication() ()
    at /usr/lib/libQt5Gui.so.5
#6  0x00007ffff6e849ac in
QScopedPointerDeleter<QGuiApplication>::cleanup(QGuiApplication*)
(pointer=0x55555769bd60)                                          
    at /usr/include/qt/QtCore/qscopedpointer.h:52
#7  QScopedPointer<QGuiApplication, QScopedPointerDeleter<QGuiApplication>
>::~QScopedPointer() (this=<synthetic pointer>, __in_chrg=<optimized out>)      
    at /usr/include/qt/QtCore/qscopedpointer.h:107
#8  KisOpenGLModeProber::probeFormat(KisOpenGL::RendererConfig const&, bool)
    (this=this@entry=0x7ffff7fb6e18 <(anonymous
namespace)::Q_QGS_s_instance::innerFunction()::holder>, rendererConfig=...,
adjustGlobalState=adjustGlobalState@entry=true)
    at /home/holden/kritadev/krita/libs/ui/opengl/KisOpenGLModeProber.cpp:152
#9  0x00007ffff6e5f0ba in
KisOpenGL::selectSurfaceConfig(KisOpenGL::OpenGLRenderer,
KisConfig::RootSurfaceFormat, bool)                                       
    (preferredRenderer=preferredRenderer@entry=KisOpenGL::RendererAuto,
preferredRootSurfaceFormat=preferredRootSurfaceFormat@entry=KisConfig::BT709_G22,
enableDebug=enableDebug@entry=false)
    at /home/holden/kritadev/krita/libs/ui/opengl/kis_opengl.cpp:779
#10 0x0000555555e29a8a in main(int, char**)
    (argc=<optimized out>, argv=0x7fffffffd7b8)
    at /home/holden/kritadev/krita/krita/main.cc:288
```

I would like to get Krita working on my system.

Linux/KDE Plasma: 5.10.2-2-MANJARO
KDE Plasma Version: 5.20.4
KDE Frameworks Version: 5.77.0
Qt Version: 5.15-2

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