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How do I get brlcad to display the tcl stack trace with an error? When running tcl outside of brlcad this always happens, but inside brlcad, only the error message is displayed. I really need the stack trace information to figure out where the error is.
Hm, that depends on several factors such as what type of error is being encountered. You can try to set the bu_debug variable on the mged command line to get different diagnostic behavior.
# request a core file during abort, can feed to gdb for debugging after mged exits */
set bu_debug 0x00000001
# request a stack trace during bomb calls
set bu_debug 0x00000040
# wait for a debugger to attach during bomb calls
set bu_debug 0x00000080
Alternatively, you can run mged from within gdb to get the stack trace on demand:
gdb -args mged
# then at the gdb> prompt: