--- stack trace ---
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7dff4f1 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x08057836 in nsProfileLock::FatalSignalHandler (signo=11)
    at nsProfileLock.cpp:206
	unblock_sigs = {__val = {1024, 0 <repeats 31 times>}}
	oldact = <value optimized out>
#3  <signal handler called>
#4  0xb7c4e084 in IA__gtk_style_unref (style=0x0) at gtkstyle.c:831
No locals.
#5  0xb7c51650 in IA__gtk_style_attach (style=0xae28b1e8, window=0x0)
    at gtkstyle.c:704
	__t = 134639240
	__r = <value optimized out>
	styles = <value optimized out>
	new_style = <value optimized out>
	colormap = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__gtk_style_attach"
#6  0xb7cf8762 in gtk_widget_set_style_internal (widget=0x89dd1c0, 
    style=0xae28b1e8, initial_emission=0) at gtkwidget.c:5136
	previous_style = (GtkStyle *) 0x8130b80
#7  0xb7cf88ba in gtk_widget_reset_rc_style (widget=0x89dd1c0)
    at gtkwidget.c:4811
	new_style = (GtkStyle *) 0x0
	initial_emission = -1211135920
#8  0xb67cd963 in moz_container_forall (container=0x828ce40, 
    include_internals=1, callback=0x8811580, callback_data=0x0)
    at mozcontainer.c:401
	child = <value optimized out>
	tmp_list = (GList *) 0xb67f1d08
	__PRETTY_FUNCTION__ = "moz_container_forall"
#9  0xb7b487eb in IA__gtk_container_forall (container=0x828ce40, 
    callback=0xb7cf8850 <gtk_widget_set_style_internal+352>, callback_data=0x0)
    at gtkcontainer.c:1255
	__PRETTY_FUNCTION__ = "IA__gtk_container_forall"
#10 0xb7cf88a9 in gtk_widget_reset_rc_style (widget=0x828ce40)
    at gtkwidget.c:4806
	new_style = <value optimized out>
	initial_emission = -1211135920
#11 0xb7b0957f in gtk_bin_forall (container=0x8140738, include_internals=1, 
    callback=0, callback_data=0x0) at gtkbin.c:130
	__PRETTY_FUNCTION__ = "gtk_bin_forall"
#12 0xb7b487eb in IA__gtk_container_forall (container=0xb7deebac, 
    callback=0x8140738, callback_data=0x0) at gtkcontainer.c:1255
	__PRETTY_FUNCTION__ = "IA__gtk_container_forall"
#13 0xb7cf88a9 in gtk_widget_reset_rc_style (widget=0x8140738)
    at gtkwidget.c:4806
	new_style = <value optimized out>
	initial_emission = 135527872
#14 0xb7cf890d in reset_rc_styles_recurse (widget=0x8140738, data=0xb76166a0)
    at gtkwidget.c:5341
No locals.
#15 0xb7c20e40 in IA__gtk_rc_get_theme_dir () at gtkrc.c:488
	var = <value optimized out>
	path = (gchar *) 0x0
#16 0xb7ba73f1 in do_theme_change (icon_theme=0x0) at gtkicontheme.c:617
	priv = <value optimized out>
#17 0x00000000 in ?? ()
--- end of stack trace ---