gdb

start Tk_MainLoop()
[New Thread 0x7ffff65d3640 (LWP 3029)]
[New Thread 0x7ffff5dd2640 (LWP 3030)]
TclStackFree: incorrect freePtr (0x7ffff0020010 != 0x7ffff00203f0). Call out of sequence?
gettext utext {ut 0} 

{ut 0} 


Thread 2 "a.out" received signal SIGABRT, Aborted.
[Switching to Thread 0x7ffff7339640 (LWP 3028)]
0x00007ffff7991ef5 in raise () from /usr/lib/libc.so.6
(gdb) bt
#0  0x00007ffff7991ef5 in raise () from /usr/lib/libc.so.6
#1  0x00007ffff797b862 in abort () from /usr/lib/libc.so.6
#2  0x00007ffff7db8dc4 in Tcl_PanicVA () from /usr/lib/libtcl.so
#3  0x00007ffff7db8e8a in Tcl_Panic () from /usr/lib/libtcl.so
#4  0x00007ffff7d747ce in TclStackFree () from /usr/lib/libtcl.so
#5  0x00007ffff7ce58d5 in TclInvokeStringCommand () from /usr/lib/libtcl.so
#6  0x00007ffff7ceac62 in TclNRRunCallbacks () from /usr/lib/libtcl.so
#7  0x00007ffff7bad29a in ButtonWidgetObjCmd () from /usr/lib/libtk.so
#8  0x00007ffff7ceac62 in TclNRRunCallbacks () from /usr/lib/libtcl.so
#9  0x00007ffff7cecb3a in TclEvalEx () from /usr/lib/libtcl.so
#10 0x00007ffff7ced363 in Tcl_EvalEx () from /usr/lib/libtcl.so
#11 0x00007ffff7b7ddb1 in Tk_BindEvent () from /usr/lib/libtk.so
#12 0x00007ffff7b82a95 in TkBindEventProc () from /usr/lib/libtk.so
#13 0x00007ffff7b8ac35 in Tk_HandleEvent () from /usr/lib/libtk.so
#14 0x00007ffff7b8ae51 in WindowEventProc () from /usr/lib/libtk.so
#15 0x00007ffff7db4fda in Tcl_ServiceEvent () from /usr/lib/libtcl.so
#16 0x00007ffff7db5257 in Tcl_DoOneEvent () from /usr/lib/libtcl.so
#17 0x00007ffff7b8b7d2 in Tk_MainLoop () from /usr/lib/libtk.so
#18 0x0000555555555974 in exec_tkmainloop_thread (filename=0x55555555617b "tkupdatev2.tk") at tkupdatev2.c:153
#19 0x00007ffff7b2b299 in start_thread () from /usr/lib/libpthread.so.0
#20 0x00007ffff7a54053 in clone () from /usr/lib/libc.so.6
(gdb)