I saw the message. I don't know what it means. I don't have any documentation on this parameter, I don't write X-Windows apps, and I simply want to use Evolution though X11PortForwarding.
If you're not going to be helpful, or are not interested in being helpful, then ignore the help request.
---------- Forwarded message ---------- From: Andre Klapper <[hidden email]> To: [hidden email] Cc: Bcc: Date: Fri, 15 Jun 2018 20:37:21 +0200 Subject: Re: [Evolution] Problem running Evolution through X11Forwarding See what you posted:
> To debug your program, run it with the GDK_SYNCHRONIZE environment > variable to change this behavior. You can then get a meaningful > backtrace from your debugger if you break on the gdk_x_error() > function.)