I have a DSL connection and I connect it using PPoE protocol. I plugin my DSL
modem through USB port.

If you require any other info, please let me know, I will try to provide them.

Stack trace:
Backtrace was generated from '/opt/gnome/bin/netapplet'

(no debugging symbols found)
Using host libthread_db library "/lib/tls/libthread_db.so.1".
(no debugging symbols found)
`system-supplied DSO at 0xffffe000' has disappeared; keeping its symbols.
[Thread debugging using libthread_db enabled]
[New Thread 1089962080 (LWP 7298)]
0xffffe410 in __kernel_vsyscall ()
#0  0xffffe410 in __kernel_vsyscall ()
#1  0x40bb1403 in __waitpid_nocancel () from /lib/tls/libpthread.so.0
#2  0x400829e5 in libgnomeui_segv_handle (signum=-512) at gnome-ui-init.c:749
#3  <signal handler called>
#4  0xffffe410 in __kernel_vsyscall ()
#5  0x40bdf541 in raise () from /lib/tls/libc.so.6
#6  0x40be0dbb in abort () from /lib/tls/libc.so.6
#7  0x40b50120 in g_logv (log_domain=<value optimized out>, 
    log_level=G_LOG_LEVEL_ERROR, 
    format=0x40b78924 "file %s: line %d (%s): should not be reached", 
    args1=0xbfa6466c "­\027\005\b¨") at gmessages.c:497
#8  0x40b50165 in g_log (log_domain=0x0, log_level=0, format=0x0)
    at gmessages.c:517
#9  0x40b501e1 in g_assert_warning (log_domain=0x0, file=0x0, line=0, 
    pretty_function=0x80516ba "netapplet_set_icon", expression=0x0)
    at gmessages.c:552
#10 0x0804d1d2 in egg_tray_icon_send_message ()
#11 0x08050471 in egg_tray_icon_send_message ()
#12 0x08051319 in netcommon_send_message ()
#13 0x40b7015f in g_io_unix_dispatch (source=0x80e6c98, 
    callback=0x8050f70 <netcommon_send_message+400>, user_data=0x0)
    at giounix.c:162
#14 0x40b4635c in g_main_context_dispatch (context=0x8074970) at gmain.c:1934
#15 0x40b497cb in g_main_context_iterate (context=0x8074970, block=1, 
    dispatch=1, self=0x805a328) at gmain.c:2565
#16 0x40b49ae7 in g_main_loop_run (loop=0x80e8168) at gmain.c:2769
#17 0x40458861 in gtk_main () at gtkmain.c:976
#18 0x08050bc2 in main ()

Thread 1 (Thread 1089962080 (LWP 7298)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0x40bb1403 in __waitpid_nocancel () from /lib/tls/libpthread.so.0
No symbol table info available.
#2  0x400829e5 in libgnomeui_segv_handle (signum=-512) at gnome-ui-init.c:749
	estatus = 1651453803
	in_segv = 1
	sa = {__sigaction_handler = {sa_handler = 0, sa_sigaction = 0}, 
  sa_mask = {__val = {1702521171, 171324221, 1953394499, 1031043173, 
      1668248659, 2035550827, 1413309808, 1936028264, 1684828008, 861604362, 
      909342774, 1869902639, 1848601443, 1734964833, 1869182049, 1393188206, 
      1030060649, 1124742707, 1702129263, 1396536440, 1801678708, 1886999562, 
      1750351205, 1752393074, 174353519, 909335306, 792081272, 1668248691, 
      1701719915, 1393188212, 1030060649, 1124742707}}, sa_flags = 1702129263, 
  sa_restorer = 0x533d7478}
	pid = <value optimized out>
#3  <signal handler called>
No symbol table info available.
#4  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#5  0x40bdf541 in raise () from /lib/tls/libc.so.6
No symbol table info available.
#6  0x40be0dbb in abort () from /lib/tls/libc.so.6
No symbol table info available.
#7  0x40b50120 in g_logv (log_domain=<value optimized out>, 
    log_level=G_LOG_LEVEL_ERROR, 
    format=0x40b78924 "file %s: line %d (%s): should not be reached", 
    args1=0xbfa6466c "­\027\005\b¨") at gmessages.c:497
	depth = 0
	domain = (GLogDomain *) 0x0
	data = 0x0
	log_func = 0x40b50810 <g_log_default_handler>
	domain_fatal_mask = 5
	test_level = 6
	was_fatal = 0
	was_recursion = 0
	i = <value optimized out>
#8  0x40b50165 in g_log (log_domain=0x0, log_level=0, format=0x0)
    at gmessages.c:517
	args = 0xbfa6466c "­\027\005\b¨"
#9  0x40b501e1 in g_assert_warning (log_domain=0x0, file=0x0, line=0, 
    pretty_function=0x80516ba "netapplet_set_icon", expression=0x0)
    at gmessages.c:552
No locals.
#10 0x0804d1d2 in egg_tray_icon_send_message ()
No symbol table info available.
#11 0x08050471 in egg_tray_icon_send_message ()
No symbol table info available.
#12 0x08051319 in netcommon_send_message ()
No symbol table info available.
#13 0x40b7015f in g_io_unix_dispatch (source=0x80e6c98, 
    callback=0x8050f70 <netcommon_send_message+400>, user_data=0x0)
    at giounix.c:162
	buffer_condition = <value optimized out>
#14 0x40b4635c in g_main_context_dispatch (context=0x8074970) at gmain.c:1934
No locals.
#15 0x40b497cb in g_main_context_iterate (context=0x8074970, block=1, 
    dispatch=1, self=0x805a328) at gmain.c:2565
	got_ownership = <value optimized out>
	max_priority = 2147483647
	timeout = 21360
	some_ready = 1
	nfds = <value optimized out>
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0x80eac70
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#16 0x40b49ae7 in g_main_loop_run (loop=0x80e8168) at gmain.c:2769
	got_ownership = 1085983984
	self = (GThread *) 0x805a328
	__PRETTY_FUNCTION__ = "g_main_loop_run"
#17 0x40458861 in gtk_main () at gtkmain.c:976
	tmp_list = (GList *) 0x0
	functions = (GList *) 0x0
	init = (GtkInitFunction *) 0x0
	loop = (GMainLoop *) 0x80e8168
#18 0x08050bc2 in main ()
No symbol table info available.
#0  0xffffe410 in __kernel_vsyscall ()