Evolution crashes on startup when given a parameter

Dapper current. Starting evolution in gdb (with 'run evolution') gives an immediate segfault:

Starting program: /usr/bin/evolution evolution
[Thread debugging using libthread_db enabled]
[New Thread 805550560 (LWP 7347)]
CalDAV Eplugin starting up ...

(evolution:7347): evolution-mail-WARNING **: ignored this junk plugin: not enabled or we have already loaded one

(evolution:7347): e-utils-WARNING **: Plugin 'Spamassassin junk plugin' failed to load hook 'org.gnome.evolution.mail.junk:1.0'

(evolution:7347): camel-WARNING **: camel_exception_get_id called with NULL parameter.
[New Thread 816530672 (LWP 7350)]
[New Thread 824919280 (LWP 7351)]
[New Thread 833307888 (LWP 7352)]
[Thread 833307888 (LWP 7352) exited]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 805550560 (LWP 7347)]
0x0e840f60 in strcmp () from /lib/libc.so.6

Backtrace:

#0 0x0e840f60 in strcmp () from /lib/libc.so.6
#1 0x1000ac48 in e_component_registry_peek_info ()
#2 0x1000cb38 in impl_Shell_handleURI ()
#3 0x0ffd3c84 in _ORBIT_skel_small_GNOME_Evolution_Shell_handleURI ()
   from /usr/lib/evolution/2.6/libeshell.so.0
#4 0x0f7f121c in ORBit_c_stub_invoke () from /usr/lib/libORBit-2.so.0
#5 0x0ffd6070 in GNOME_Evolution_Shell_handleURI ()
   from /usr/lib/evolution/2.6/libeshell.so.0
#6 0x1001d690 in open_uris ()
#7 0x1001d978 in idle_cb ()
#8 0x0edc482c in g_idle_dispatch () from /usr/lib/libglib-2.0.so.0
#9 0x0edc1544 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#10 0x0edc593c in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#11 0x0edc5d94 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#12 0x0f8ed7c4 in bonobo_main () from /usr/lib/libbonobo-2.so.0
#13 0x1001e104 in main ()

This rather limits my ability to provide any *other* backtraces.

Note that evolution starts just fine from outside gdb.