virtuoso -nograph 启动报错，求大佬帮看看

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[eda@eda ~]$ virtuoso -nograph


*WARNING* Unable to open -nograph X Window Display "eda:80"*WARNING* (using "exec /opt/eda/cadence/IC618/tools.lnx86/dfII/../bin/cdsVncserver :80 -co /usr/share/X11/rgb&").*WARNING* cdsXvnc output may be found in file $HOME/.vnc-cds/eda:80.logTrying another display...*WARNING* Unable to open -nograph X Window Display "eda:81"*WARNING* (using "exec /opt/eda/cadence/IC618/tools.lnx86/dfII/../bin/cdsVncserver :81 -co /usr/share/X11/rgb&").*WARNING* cdsXvnc output may be found in file $HOME/.vnc-cds/eda:81.logTrying another display...*WARNING* Unable to open -nograph X Window Display "eda:82"*WARNING* (using "exec /opt/eda/cadence/IC618/tools.lnx86/dfII/../bin/cdsVncserver :82 -co /usr/share/X11/rgb&").*WARNING* cdsXvnc output may be found in file $HOME/.vnc-cds/eda:82.logTrying another display...