A fatal error has been detected by the Java Runtime Environment: - A fatal error has been detected by the Java Runtime Environment: Description Due to an error in the Quartus® II software, the following error may appear when running the MegaWizard™ Plug-In Manager in Linux. # A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x0000003de1c2e935, pid=32395, tid=1100040512 # # JRE version: 6.0_23-b05 # Java VM: Java HotSpot(TM) 64-Bit Server VM (19.0-b09 mixed mode linux-amd64 compressed oops) # Problematic frame: # C [libc.so.6 0x2e935] catgets 0x15 # # An error report file with more information is saved as: # <project directory> /hs_err_pid32395.log # # If you would like to submit a bug report, please visit: # http://java.sun.com/webapps/bugreport/crash.jsp # The crash happened outside the Java Virtual Machine in native code. # See problematic frame for where to report the bug. # Error:Error in CNX file format. Error messages are listed in file <project directory> /ddr_io_try.cnxerr. Resolution To work around this error, create or edit your environment variable for AWT_TOOLKIT with the following command: For csh-style shells: setenv AWT_TOOLKIT XToolkit For sh-style shells export AWT_TOOLKIT=XToolkit This error is fixed beginning with the Quartus II software version 12.0 SP2. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] 12.0.2 10.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']