Steps to reproduce:
1. Spontaneous crash while playing. No obvious reproducibility
2. 
3. 


Stack trace:
System: Linux 2.6.25.3-18.fc9.i686 #1 SMP Tue May 13 05:38:53 EDT 2008 i686
X Vendor: The X.Org Foundation
X Vendor Release: 10499901
Selinux: Enforcing
Accessibility: Disabled
GTK+ Theme: Glider
Icon Theme: gnome

Memory status: size: 51859456 vsize: 51859456 resident: 21008384 share: 11927552 rss: 21008384 rss_rlim: 4294967295
CPU usage: start_time: 1212400287 rtime: 448 utime: 411 stime: 37 cutime:0 cstime: 0 timeout: 0 it_real_value: 0 frequency: 100

Variation: spider.scm
Seed: 2597446151
Scheme error:
	(#f Wrong type (expecting ~A): ~S (pair ()) (()))
Scheme tag:
	wrong-type-arg

Backtrace:
In unknown file:
   ?: 0* [button-double-clicked 18]
In /usr/share/gnome-games/aisleriot/games/spider.scm:
 194: 1* (and (member slot tableau) (is-playable-stack # # 1) (let # # #) ...)
 195: 2* [is-playable-stack ((3 2 #t)) ...
 195: 3*  [get-suit ((3 2 #t))]
In /usr/share/gnome-games/aisleriot/games/sol.scm:
 276: 4   [cadr ((3 2 #t))]


Deck State:
	Slot 0
		(0 4 #f), (3 12 #f), (2 11 #f)
, (0 4 #f), (3 4 #f), (2 9 #f), (3 6 #f), (1 11 #f)
	Slot 1
		(Empty)
	Slot 2
		(Empty)
	Slot 3
		(Empty)
	Slot 4
		(Empty)
	Slot 5
		(Empty)
	Slot 6
		(Empty)
	Slot 7
		(Empty)
	Slot 8
		(Empty)
	Slot 9
		(1 1 #f), (2 6 #f), (2 2 #f)
, (3 7 #f), (2 3 #f), (2 7 #t), (2 5 #t), (0 3 #t), (0 7 #t)
	Slot 10
		(2 10 #f), (2 2 #f), (1 4 #t)
, (3 3 #f), (2 12 #f), (1 13 #t), (3 9 #t)
	Slot 11
		(3 11 #f), (1 11 #t), (0 9 #t)
, (0 12 #t), (1 10 #t), (1 8 #t), (1 6 #t), (1 9 #t), (0 7 #t), (2 10 #t)
	Slot 12
		(0 8 #f), (0 5 #f), (3 8 #t)
, (0 5 #f), (2 1 #t), (2 7 #t), (2 5 #t), (2 9 #t)
	Slot 13
		(3 1 #f), (2 8 #t), (3 12 #t)
, (3 10 #t), (2 13 #t), (0 3 #t), (2 1 #t), (3 6 #t), (3 4 #t)
	Slot 14
		(1 7 #f), (2 13 #f), (3 1 #t)
, (1 6 #f), (1 3 #f), (3 13 #t), (1 10 #t), (1 13 #t)
	Slot 15
		(0 8 #f), (0 13 #f), (0 11 #t)
, (1 4 #f), (2 11 #f), (3 10 #t), (0 2 #t), (0 6 #t)
	Slot 16
		(2 4 #f), (1 5 #f)
	Slot 17
		(3 2 #f), (3 8 #f), (0 1 #t)
, (0 11 #f), (1 1 #f), (1 2 #t), (3 2 #t), (1 12 #t)
	Slot 18
		(2 3 #t)
Backtrace was generated from '/usr/libexec/aisleriot'

(no debugging symbols found)
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[Thread debugging using libthread_db enabled]
[New Thread 0xb8064730 (LWP 4315)]
0x00110416 in __kernel_vsyscall ()

+ Trace 199482

----------- .xsession-errors ---------------------
ICE default IO error handler doing an exit(), pid = 3735, errno = 11
ICE default IO error handler doing an exit(), pid = 3722, errno = 11
(evolution:3269): e-data-server-DEBUG: Loading categories from "/home/jeremy/.evolution/categories.xml"
(evolution:3269): e-data-server-DEBUG: Loaded 29 categories
(evolution:3269): GLib-GObject-WARNING **: IA__g_object_new_valist: object class `GThemedIcon' has no property named `names'
(evolution:3269): GLib-GIO-CRITICAL **: g_themed_icon_constructed: assertion `themed->names != NULL && themed->names[0] != NULL' failed
(evolution:3269): GLib-CRITICAL **: g_strv_length: assertion `str_array != NULL' failed
BBDB spinning up...
/usr/libexec/aisleriot: No such file or directory.
Could not find the frame base for "__libc_start_main".
Could not find the frame base for "__libc_start_main".
Could not find the frame base for "__libc_start_main".
--------------------------------------------------

Other information:
Running Fedora 9 on a Core 2 Duo workstation