What were you doing when the application crashed?
I declined an event on my Groupwise calendar from the calendar view (Day).  It looks like it declined ok but evolution immediately crashed afterwards.


Distribution: openSUSE 11.3 (x86_64)
Gnome Release: 2.30.0 (null) (SUSE)
BugBuddy Version: 2.30.0

System: Linux 2.6.34.7-0.5-desktop #1 SMP PREEMPT 2010-10-25 08:40:12 +0200 x86_64
X Vendor: The X.Org Foundation
X Vendor Release: 10800000
Selinux: No
Accessibility: Disabled
GTK+ Theme: Gilouche
Icon Theme: Gilouche
GTK+ Modules: canberra-gtk-module, gnomebreakpad

Memory status: size: 989253632 vsize: 989253632 resident: 131198976 share: 29863936 rss: 131198976 rss_rlim: 18446744073709551615
CPU usage: start_time: 1291407149 rtime: 13123 utime: 12357 stime: 766 cutime:0 cstime: 1 timeout: 0 it_real_value: 0 frequency: 100

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

[Thread debugging using libthread_db enabled]
[New Thread 0x7f62d4b95710 (LWP 9567)]
[New Thread 0x7f62efa50710 (LWP 28383)]
[New Thread 0x7f62db5cb710 (LWP 28380)]
[New Thread 0x7f62dbdcc710 (LWP 28379)]
[New Thread 0x7f62dc5cd710 (LWP 28378)]
[New Thread 0x7f62dcdce710 (LWP 28377)]
[New Thread 0x7f62dd5cf710 (LWP 28376)]
[New Thread 0x7f62dddd0710 (LWP 28374)]
[New Thread 0x7f62e4ba3710 (LWP 28370)]
[New Thread 0x7f62dffff710 (LWP 28368)]
[New Thread 0x7f62e5dca710 (LWP 28365)]
[New Thread 0x7f62e65cb710 (LWP 28364)]
[New Thread 0x7f62e7218710 (LWP 28363)]
[New Thread 0x7f62e7a19710 (LWP 28362)]
0x00007f6300baee7d in waitpid () from /lib64/libpthread.so.0

+ Trace 224963

	Inferior 1 [process 28360] will be detached.

Quit anyway? (y or n) [answered Y; input not from terminal]


---- Critical and fatal warnings logged during execution ----

** GLib **: g_strchomp: assertion `string != NULL' failed 
** GLib **: g_strchug: assertion `string != NULL' failed 
** GLib **: g_strchomp: assertion `string != NULL' failed 
** GLib **: g_strchug: assertion `string != NULL' failed 
** GLib **: g_strchomp: assertion `string != NULL' failed 
** GLib **: g_strchug: assertion `string != NULL' failed 
** GLib **: g_strchomp: assertion `string != NULL' failed 
** GLib **: g_strchug: assertion `string != NULL' failed 
** GLib **: g_strchomp: assertion `string != NULL' failed 
** GLib **: g_strchug: assertion `string != NULL' failed 
** GLib **: g_strchomp: assertion `string != NULL' failed 
** GLib **: g_strchug: assertion `string != NULL' failed 
** GLib **: g_strchomp: assertion `string != NULL' failed 
** GLib **: g_strchug: assertion `string != NULL' failed 
** GLib **: g_strchomp: assertion `string != NULL' failed 


----------- .xsession-errors (29 sec old) ---------------------
(nautilus:5048): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
(nautilus:5048): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
(nautilus:5048): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
(nautilus:5048): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
** (nm-applet:5098): WARNING **: _nm_object_get_property: Error getting 'Default' for /org/freedesktop/NetworkManager/ActiveConnection/2: (19) Method "Get" with signature "ss" on interface "org.freede
(nautilus:5048): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
(nautilus:5048): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
--------------------------------------------------