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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