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nelsonxb / GraphPaperRaceGame

Implementation of Racetrack (graph paper game)
MIT License
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Switching windows crashes game #9

Open nelsonxb opened 9 years ago

nelsonxb commented 9 years ago

It is known that switching windows while playing causes a crash on Linux running with recent XOrg.

This is a problem with LWJGL and/or XOrg. It appears to be related to another error in XOrg affecting other (non-java) applications (e.g. ValveSoftware/steam-for-linux#3364) (_xgeWireToEvent: Unknown extension 148, this should never happen., the error message mentions request_code: 148).

This is not an error in the game itself, but (probably) in XOrg or LWJGL. This issue indicates that we are aware of the problem.

nelsonxb commented 9 years ago

Stack trace:

_xgeWireToEvent: Unknown extension 148, this should never happen.
_xgeWireToEvent: Unknown extension 148, this should never happen.
_xgeWireToEvent: Unknown extension 148, this should never happen.
Exception in thread "main" org.lwjgl.LWJGLException: X Error - disp: 0x6d0a6b70 serial: 311 error: BadMatch (invalid parameter attributes) request_code: 148 minor_code: 1
    at org.lwjgl.opengl.LinuxDisplay.globalErrorHandler(LinuxDisplay.java:321)
    at org.lwjgl.opengl.LinuxEvent.getPending(Native Method)
    at org.lwjgl.opengl.LinuxDisplay.processEvents(LinuxDisplay.java:850)
    at org.lwjgl.opengl.LinuxDisplay.update(LinuxDisplay.java:912)
    at org.lwjgl.opengl.Display.processMessages(Display.java:600)
    at org.lwjgl.opengl.Display.update(Display.java:666)
    at org.lwjgl.opengl.Display.update(Display.java:628)
    at org.newdawn.slick.AppGameContainer.gameLoop(AppGameContainer.java:421)
    at org.newdawn.slick.AppGameContainer.start(AppGameContainer.java:321)
    at org.newdawn.slick.AppGameContainer$start.call(Unknown Source)
    at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:112)
    at io.github.nelsoncrosby.gsui.TestGame.main(TestGame.groovy:64)
nelsonxb commented 9 years ago

This is actually NOT an LWJGL issue, but a Slick2D issue. As the main Slick2D branch is stale, it is unlikely to ever be fixed. The only possibility for fixing would be to move away from Slick2D (#29). My tests with libGDX (another LWJGL-based framework) had no such issues.