When initializing PyQt6.QtWebEngineWidgets.QWebEngineView, an error occurs indicating ‌failed GLX initialization‌

Support Graphics & Display
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1

My operating system is ‌6.12.44-3-MANJARO‌, ‌x86_64‌, with ‌XFCE4‌. I installed ‌PyQt6‌ and ‌PyQtWebEngine6‌ using ‌conda‌. While writing a program in ‌PyCharm 2025‌, I encountered the following error when initializing thePyQt6.QtWebEngineWidgets.QWebEngineView:

  qt.glx: qglx_findConfig: Failed to finding matching FBConfig for QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize -1, redBufferSize 1, greenBufferSize 1, blueBufferSize 1, alphaBufferSize -1, stencilBufferSize -1, samples -1, swapBehavior QSurfaceFormat::SingleBuffer, swapInterval 1, colorSpace QColorSpace(), profile  QSurfaceFormat::NoProfile),Could not initialize GLX

I have checked dirver,result below:

$lspci|grep -i vga

00:02.0 VGA compatible controller: Intel Corporation Skylake GT2 [HD Graphics 520] (rev 07)

$glxinfo | grep “OpenGL vendor string”

OpenGL vendor string: Intel

$glxinfo | grep “OpenGL renderer string”

OpenGL renderer string: Mesa Intel(R) HD Graphics 520 (SKL GT2)n

I also try to update intel driver to newest,but the error still exist,Then I changed system variable QT_XCB_GL_INTEGRATION=glx,to QT_XCB_GL_INTEGRATION=xcb_egl, but the error not change.

When I run the python program under terminal , the error list below:

   iris: driver missing
   libEGL warning: egl: failed to create dri2 screen
   libEGL warning: failed to get driver name for fd -1
   libEGL warning: MESA-LOADER: failed to retrieve device information
   libEGL warning: failed to get driver name for fd -1
   iris: driver missing
   libEGL warning: egl: failed to create dri2 screen
   libEGL warning: egl: failed to create dri2 screen
   [4680:4702:0916/094222.179264:ERROR:bus.cc(407)] Failed to connect to the bus: Failed   to connect to socket /home/qdoldwolf/anaconda3/envs/python3.12/var/run/dbus/system_bus_socket: 没有那个文件或目录
   [4680:4709:0916/094222.205674:ERROR:angle_platform_impl.cc(44)] Display.cpp:1083 (initialize): ANGLE Display::initialize error 12289: glXQueryExtensionsString returned NULL
    ERR: Display.cpp:1083 (initialize): ANGLE Display::initialize error 12289: glXQueryExtensionsString returned NULL
   [4680:4709:0916/094222.205704:ERROR:gl_display.cc(497)] EGL Driver message (Critical) eglInitialize: glXQueryExtensionsString returned NULL
   [4680:4709:0916/094222.205717:ERROR:gl_display.cc(767)] eglInitialize OpenGL failed with error EGL_NOT_INITIALIZED, trying next display type
   [4680:4709:0916/094222.209061:ERROR:angle_platform_impl.cc(44)] Display.cpp:1083 (initialize): ANGLE Display::initialize error 12289: glXQueryExtensionsString returned NULL
     ERR: Display.cpp:1083 (initialize): ANGLE Display::initialize error 12289: glXQueryExtensionsString returned NULL
   [4680:4709:0916/094222.209098:ERROR:gl_display.cc(497)] EGL Driver message (Critical) eglInitialize: glXQueryExtensionsString returned NULL
   [4680:4709:0916/094222.209112:ERROR:gl_display.cc(767)] eglInitialize OpenGLES failed with    error EGL_NOT_INITIALIZED
   [4680:4709:0916/094222.209125:ERROR:gl_display.cc(801)] Initialization of all EGL display types failed.
   [4680:4709:0916/094222.209136:ERROR:gl_ozone_egl.cc(26)] GLDisplayEGL::Initialize failed.
   [4680:4709:0916/094222.212707:ERROR:angle_platform_impl.cc(44)] Display.cpp:1083 (initialize): ANGLE Display::initialize error 12289: glXQueryExtensionsString returned NULL
   ERR: Display.cpp:1083 (initialize): ANGLE Display::initialize error 12289: glXQueryExtensionsString returned NULL
   [4680:4709:0916/094222.212734:ERROR:gl_display.cc(497)] EGL Driver message (Critical) eglInitialize: glXQueryExtensionsString returned NULL
   [4680:4709:0916/094222.212747:ERROR:gl_display.cc(767)] eglInitialize OpenGL failed with error EGL_NOT_INITIALIZED, trying next display type
   [4680:4709:0916/094222.216949:ERROR:angle_platform_impl.cc(44)] Display.cpp:1083 (initialize): ANGLE Display::initialize error 12289: glXQueryExtensionsString returned NULL
   ERR: Display.cpp:1083 (initialize): ANGLE Display::initialize error 12289: glXQueryExtensionsString returned NULL
  [4680:4709:0916/094222.217042:ERROR:gl_display.cc(497)] EGL Driver message (Critical) eglInitialize: glXQueryExtensionsString returned NULL
  [4680:4709:0916/094222.217073:ERROR:gl_display.cc(767)] eglInitialize OpenGLES failed with error EGL_NOT_INITIALIZED
  [ 4680:4709:0916/094222.217098:ERROR:gl_display.cc(801)] Initialization of all EGL display types failed.
  [4680:4709:0916/094222.217117:ERROR:gl_ozone_egl.cc(26)] GLDisplayEGL::Initialize failed.
 GLOzone not found for unknown
 已中止                  （核心已转储）python jigouheyouzishuju4.py

please give me advise, thanks

2

This forum does not support solving source code issues for personal projects.

For your error messages please use a code fence to encapsulate the terminal content e.g.

When I run the following command
```
 $ lspci|grep -i vga
00:02.0 VGA compatible controller: Intel Corporation Skylake GT2 [HD Graphics 520] (rev 07)
```

I can get the vendor like this
```
 $ glxinfo | grep “OpenGL vendor string”
OpenGL vendor string: Intel
```

If you believe there is an error with Qt and the interface to Python - please contact the Qt team using the relevant support channel.

3

I first write Posts,sorry,i try

4

from the information of error ,“iris driver is missing”, maybe the driver of intel is not newest,or something else cause .so I update the driver from manjaro repo ,the error do not change

5

maybe I send the log file of systemd coredump,ok?

6

we don’t support private projects - aka - home work - see the forum rules.

7

ok，I try myself

8