13 Issues

13.1 Linux Issues

Misconfiguration of SDL

On some Linux distributions, when using the SDL library in Wafl, an error message like this may be displayed:

X Error of failed request:  BadWindow (invalid Window parameter)
  Major opcode of failed request:  25 (X_SendEvent)
  Resource id in failed request:  0x1400009
  Serial number of failed request:  9
  Current serial number in output stream:  11

The problem is with the incorrect configuration of SDL. It should be enough to install the libsdl2-dev package. Installing the package will set the correct configuration of the library. After that, the package can be removed, and the problems should not repeat.

sudo apt install libsdl2-dev
sudo apt remove libsdl2-dev