Recieve error: GLFW error 65543: GLX: Failed to create context: GLXBadFBConfig.

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this issue is not invalid. i encountered the same thing on my mac mini (core2duo t7200 w/ intel gma945 gpu) despite the fact that 1.14.4 runs fine. as it turns out, if you run 1.15.x on an old gpu like mine, mesa comes back with the GLXBadFBConfig error. however, as soon as you run it while specifying MESA_GL_VERSION_OVERRIDE=4.5 , the game runs fine. that environment variable merely lies to the game about the supported opengl version, it doesn't change what's supported by the hardware in the slightest. i don't think it's reasonable to expect every user of old hardware to specify environment variables as a workaround for poor opengl version checking, so i think this issue needs to be addressed.

in summary, if i try to run minecraft 1.14.4 with the default settings, it runs fine. if i try to run 1.15.2 from the launcher with the default settings, i get the GLXBadFBConfig error. if i run the launcher with the MESA_GL_VERSION_OVERRIDE=4.5 environment variable set, 1.15.2 runs just as well as 1.14.4 with no other changes.

i'm running arch linux with the launcher installed via the minecraft-launcher aur package, and i do have the following in my /etc/drirc to enable opengl 2.1 support as specified here: https://wiki.archlinux.org/index.php/Intel_graphics#OpenGL_2.1_with_i915_driver

<driconf>
  <device driver="i915">
   <application name="Default">
    <option name="stub_occlusion_query" value="true" />
    <option name="fragment_shader" value="true" />
   </application>
  </device>
</driconf>

at the very least, i hope this information can help other users of old hardware who want to play the latest version of minecraft 🙂 but i think it could be fixed in the game itself instead of resorting to workarounds.

This issue is not resolved in version 1.16.1, but the comment from @ultraviolet helped me run the game.

The error message "GLFW error 65543: GLX: Failed to create context: GLXBadFBConfig." is shown on game launch and the game crashes immediatley.

For anyone else stumbling upon this issue that has Linux and old hardware, open terminal and use the command `env MESA_GL_VERSION_OVERRIDE=4.5 minecraft-launcher` to run Minecraft Launcher. From then on the game should launch normaly from the launcher.

I can confirm, this error has gone after updating my nvidia card to lastest version. I am using Linux Mint 19

Same issue on my old core duo pc, but running game with ESA_GL_VERSION_OVERRIDE=4.5 fixes it on my pc.

have you found a solution? (for windows 10)

The env command doesnt work for me.

I use tlauncher for the easy way to install mods and other it's a .jar program so can u tell the command for that . I just want to know that if I have to just change the Minecraft-launcher to tlauncher.jar pls tell pls 

Since I will not be able to get a new graphic card 

Hey I am a manjaro user which is based on arch and I have the same problem can pls tell the solution to that pls I beg you pls

@Moksh I tried changing the word minecraft-auncher to tlauncher.jar but it didnt work for me. But give it a go and tell me the results