Emacs crashes accidentally

[Herbert Euler]

Hello,

Emacs crashed accidentally when I edited a file.  I can't
reproduce that crashing, and only have a .core file in
hand.  Before crashing, I wanted to undo some deletion
so I typed C-x u C-x z z z ...  When some `z' was pressed,
Emacs suddenly crashed.  Back trace with gdb shows:

$ gdb emacs emacs.core
GNU gdb 6.3
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This GDB was configured as "i386-unknown-freebsd4.11"...
Core was generated by `emacs'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/lib/libutil.so.3...done.
Loaded symbols for /usr/lib/libutil.so.3
Reading symbols from /usr/lib/libncurses.so.5...done.
Loaded symbols for /usr/lib/libncurses.so.5
Reading symbols from /usr/lib/libm.so.2...done.
Loaded symbols for /usr/lib/libm.so.2
Reading symbols from /usr/lib/libc.so.4...done.
Loaded symbols for /usr/lib/libc.so.4
Reading symbols from /usr/libexec/ld-elf.so.1...done.
Loaded symbols for /usr/libexec/ld-elf.so.1
#0  0x211c8104 in kill () from /usr/lib/libc.so.4
(gdb) bt
#0  0x211c8104 in kill () from /usr/lib/libc.so.4
#1  0x01059900 in fatal_error_signal (sig=11) at emacs.c:430
#2  <signal handler called>
#3  0x010c10b3 in strout (ptr=0x2469648 <Address 0x2469648 out of bounds>, 
size=27, size_byte=27, printcharfun=19413041,
   multibyte=0) at print.c:417
#4  0x010c1385 in print_string (string=37526819, printcharfun=19413041) at 
print.c:506
#5  0x010c552d in print_object (obj=37526819, printcharfun=19413041, 
escapeflag=0) at print.c:2050
#6  0x010c3c4a in print (obj=37526819, printcharfun=19413041, escapeflag=0) 
at print.c:1301
#7  0x010c3059 in Fprinc (object=37526819, printcharfun=19413041) at 
print.c:847
#8  0x010c3870 in print_error_message (data=36753309, stream=19413041, 
context=0x9fbff70c "", caller=19764345)
   at print.c:1090
#9  0x0105bd82 in cmd_error_internal (data=36753309, context=0x9fbff70c "") 
at keyboard.c:1268
#10 0x0105bc80 in cmd_error (data=36753309) at keyboard.c:1205
#11 0x010b3dfb in internal_condition_case (bfun=0x105bfe0 <command_loop_1>, 
handlers=19471817, hfun=0x105bbd8 <cmd_error>)
   at eval.c:1465
#12 0x0105be78 in command_loop_2 () at keyboard.c:1328
#13 0x010b399c in internal_catch (tag=19460913, func=0x105be54 
<command_loop_2>, arg=19412993) at eval.c:1213
#14 0x0105be28 in command_loop () at keyboard.c:1307
#15 0x0105ba0f in recursive_edit_1 () at keyboard.c:1000
#16 0x0105bb2a in Frecursive_edit () at keyboard.c:1061
#17 0x0105a9f6 in main (argc=1, argv=0x9fbff9ec) at emacs.c:1814
(gdb)

Regards,
Guanpeng Xu

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