Reto Stockli Posted December 6, 2020 Share Posted December 6, 2020 (edited) Since upgrading to Ubuntu 20.04 from 18.04 I get this error in Log.txt: dlerror:Custom Scenery/Orbx_A_EGLC_LondonCity/plugins/groundtraffic/64/lin.xpl: undefined symbol: __atan2f_finite dlerror:Custom Scenery/Orbx_A_EGLC_LondonCity/plugins/groundtraffic/lin.xpl: wro ng ELF class: ELFCLASS32 I have traced it back to the removal of i386 (32-bit) OpenGL (specifically libGLU.so) libraries with Ubuntu 20.04 compared to Ubuntu 18.04. Groundtraffic has 32 bit and 64 bit support, but the 32 bit plugin reside in the plugin's root folder instead of in the 32 bit folder. The groundtraffic folders are currently organized as follows: 64/win.xpl 64/lin.xpl win.xpl mac.xpl lin.xpl the groundtraffic plugin folder should therefore be reorganized into the 32 and 64 bit folders so that the 64 bit x-plane finds the correct plugin for its architecture: 64/win.xpl 64/lin.xpl 32/win.xpl 32/lin.xpl mac.xpl You may omit the 32 bit versions alltogether since X-Plane is now only 64 bit, right? Reorganizing the plugin folder and removing the 32 bit groundtraffic plugin did solve the problem. cheers, Reto Edited December 6, 2020 by Reto Stockli Link to comment Share on other sites More sharing options...
Jon Clarke Posted December 7, 2020 Share Posted December 7, 2020 @Ed Correia for comment please. Link to comment Share on other sites More sharing options...
Ed Correia Posted December 7, 2020 Share Posted December 7, 2020 Noted. Link to comment Share on other sites More sharing options...
pisymbol Posted July 5, 2021 Share Posted July 5, 2021 Is this going to be fixed? Link to comment Share on other sites More sharing options...
Ed Correia Posted July 6, 2021 Share Posted July 6, 2021 Been fixed. Link to comment Share on other sites More sharing options...
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