Hello Guy Harris,
   
          
             After applying your 
  patch, I got the following output. But still I got core dumped in 
  ethereal.
   
  # /tethereal
   
  ** WARNING **: The plugin acn.so has no version 
  symbol
The plugin asn1.so, version 0.5.0 is an old-style plugin;
Those 
  are no longer supported.
   
  ** WARNING **: The plugin artnet.so has no 
  version symbol
   
  ** WARNING **: The plugin docsis.so has no 
  version symbol
   
  ** WARNING **: The plugin cosnaming.so has no 
  version symbol
   
  ** WARNING **: The plugin coseventcomm.so has no 
  version symbol
   
  ** WARNING **: The plugin gryphon.so has no 
  version symbol
   
  ** WARNING **: The plugin lwres.so has no version 
  symbol
   
  ** WARNING **: The plugin megaco.so has no 
  version symbol
   
  ** WARNING **: The plugin mgcp.so has no version 
  symbol
   
  ** WARNING **: The plugin pcli.so has no version 
  symbol
   
  ** WARNING **: The plugin rtnet.so has no version 
  symbol
Capturing on lan0
  0.000000 172.16.1.176 -> 
  172.16.1.26  SSH Encrypted response packet len=36
  
  0.008648  172.16.1.26 -> 172.16.1.176 TCP 3496 > 22 [ACK] 
  Seq=4055731387 Ack=1875944936 Win=17520 Len=0
  0.030003 172.16.1.176 
  -> 172.16.1.26  SSH Encrypted response packet len=204
  # cat 
  DISPLAY=172.16.1.26:0
  # /ethereal
   
  ** WARNING **: The plugin acn.so has no version 
  symbol
The plugin asn1.so, version 0.5.0 is an old-style plugin;
Those 
  are no longer supported.
   
  ** WARNING **: The plugin artnet.so has no 
  version symbol
   
  ** WARNING **: The plugin docsis.so has no 
  version symbol
   
  ** WARNING **: The plugin cosnaming.so has no 
  version symbol
   
  ** WARNING **: The plugin coseventcomm.so has no 
  version symbol
   
  ** WARNING **: The plugin gryphon.so has no 
  version symbol
   
  ** WARNING **: The plugin lwres.so has no version 
  symbol
   
  ** WARNING **: The plugin megaco.so has no 
  version symbol
   
  ** WARNING **: The plugin mgcp.so has no version 
  symbol
   
  ** WARNING **: The plugin pcli.so has no version 
  symbol
   
  ** WARNING **: The plugin rtnet.so has no version 
  symbol
Memory fault(coredump)
#
   
  I got the pop xwindow in Windows machine. After I start and 
  close the popup window in Windows, I got this core dumped in IPF.
   
  The gdb output:
   
  (gdb)
2522        if 
  (start_capture) {
(gdb)
1551    {
(gdb)
   
  
Program received signal SIGSEGV, Segmentation fault (si_code: 
  1).
0x4b08520:0 in except_rethrow (except=0x7fffaaf8) at 
  except.c:252
252         struct 
  except_stacknode *top = get_top();
(gdb)
   
  Program terminated with signal SIGSEGV, Segmentation fault.
The 
  program no longer exists.
(gdb)
The program is not being 
  run.
(gdb)
The program is not being run.
(gdb) bt
No 
  stack.
   
  Regs,
  Durai.
   
  ---
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