Clicking 'Tasks' defeat Evolution! What to do?

[Godfrey Harrison <harrison macau ctm net>]

A week ago I was running Evolution, in newly installed Debian GNU Linux 
3.1 Sarge, when on my try to find out what "Tasks" does, by clicking on 
that button, Evolution crashed.   It's been crashing ever since, about 
five seconds after I start it , despite my efforts to encourage it not 
to be shy.  This is a specific problem because Mozilla, for example, 
opens Evolution when one seeks to send some e-mail to its lists.  
Meanwhile, thank Mozilla for Thunderbird.

The attached file is what I got trying to use (& failing "Life is so 
difficulty!!") to send a bug report; there is a lot of data after the 
file's first wadge of 'no info' lines.   I can't make head or tail of 
that information, hence I end this

Help welcome.
                          Godfrey


Backtrace was generated from '/usr/bin/evolution-2.0'

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Using host libthread_db library "/lib/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 2440)]
[New Thread 32769 (LWP 2443)]
[New Thread 16386 (LWP 2444)]
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0x40e67c0b in waitpid () from /lib/libpthread.so.0
#0  0x40e67c0b in waitpid () from /lib/libpthread.so.0
#1  0x404aa33c in ?? () from /usr/lib/libgnomeui-2.so.0
#2  0x00000000 in ?? ()
#3  0x4046adae in libgnomeui_module_info_get ()
   from /usr/lib/libgnomeui-2.so.0
#4  0x080652ff in e_sidebar_get_type ()
#5  0x40e66825 in __pthread_sighandler () from /lib/libpthread.so.0
#6  <signal handler called>
#7  0x40124e34 in e_cal_get_query () from /usr/lib/libecal.so.6
#8  0x40124fa7 in e_cal_set_default_timezone () from /usr/lib/libecal.so.6
#9  0x4149a223 in e_tasks_get_type ()
   from /usr/lib/evolution/2.0/components/libevolution-calendar.so
#10 0x4149b6da in e_tasks_set_ui_component ()
   from /usr/lib/evolution/2.0/components/libevolution-calendar.so
#11 0x40ff9523 in g_cclosure_marshal_VOID () from /usr/lib/libgobject-2.0.so.0
#12 0x40fe7736 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#13 0x40ff8dcf in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0
#14 0x40ff7e9c in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#15 0x40ff8126 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#16 0x4011df4c in e_cal_open () from /usr/lib/libecal.so.6
#17 0x41042583 in g_child_watch_add () from /usr/lib/libglib-2.0.so.0
#18 0x4103f582 in g_main_depth () from /usr/lib/libglib-2.0.so.0
#19 0x410405f8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#20 0x41040930 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#21 0x41040ed3 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#22 0x40820c98 in bonobo_main () from /usr/lib/libbonobo-2.so.0
#23 0x0806592e in main ()

Thread 3 (Thread 16386 (LWP 2444)):
#0  0x41169ada in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x410412b6 in g_main_loop_get_context () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#2  0x410408b0 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#3  0x41040ed3 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#4  0x408e3382 in link_thread_io_context () from /usr/lib/libORBit-2.so.0
No symbol table info available.
#5  0x4105a61f in g_static_private_free () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#6  0x40e60e51 in pthread_start_thread () from /lib/libpthread.so.0
No symbol table info available.
#7  0x4117292a in clone () from /lib/libc.so.6
No symbol table info available.

Thread 2 (Thread 32769 (LWP 2443)):
#0  0x41169ada in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x40e60b50 in __pthread_manager () from /lib/libpthread.so.0
No symbol table info available.
#2  0x4117292a in clone () from /lib/libc.so.6
No symbol table info available.

Thread 1 (Thread 16384 (LWP 2440)):
#0  0x40e67c0b in waitpid () from /lib/libpthread.so.0
No symbol table info available.
#1  0x404aa33c in ?? () from /usr/lib/libgnomeui-2.so.0
No symbol table info available.
#2  0x00000000 in ?? ()
No symbol table info available.
#3  0x4046adae in libgnomeui_module_info_get ()
   from /usr/lib/libgnomeui-2.so.0
No symbol table info available.
#4  0x080652ff in e_sidebar_get_type ()
No symbol table info available.
#5  0x40e66825 in __pthread_sighandler () from /lib/libpthread.so.0
No symbol table info available.
#6  <signal handler called>
No symbol table info available.
#7  0x40124e34 in e_cal_get_query () from /usr/lib/libecal.so.6
No symbol table info available.
#8  0x40124fa7 in e_cal_set_default_timezone () from /usr/lib/libecal.so.6
No symbol table info available.
#9  0x4149a223 in e_tasks_get_type ()
   from /usr/lib/evolution/2.0/components/libevolution-calendar.so
No symbol table info available.
#10 0x4149b6da in e_tasks_set_ui_component ()
   from /usr/lib/evolution/2.0/components/libevolution-calendar.so
No symbol table info available.
#11 0x40ff9523 in g_cclosure_marshal_VOID () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#12 0x40fe7736 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#13 0x40ff8dcf in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#14 0x40ff7e9c in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#15 0x40ff8126 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#16 0x4011df4c in e_cal_open () from /usr/lib/libecal.so.6
No symbol table info available.
#17 0x41042583 in g_child_watch_add () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#18 0x4103f582 in g_main_depth () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#19 0x410405f8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#20 0x41040930 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#21 0x41040ed3 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#22 0x40820c98 in bonobo_main () from /usr/lib/libbonobo-2.so.0
No symbol table info available.
#23 0x0806592e in main ()
No symbol table info available.
#0  0x40e67c0b in waitpid () from /lib/libpthread.so.0