Panic in a recent kernel (cardbus/pci related ?)

Hello,

I'm seeing a panic in my latest -Current kernel (config file == GENERIC minus 
INVARIANTS, WITNESS and SMP). The machine is an older notebook, with a PCMCIA 
network card.

The end of the verbose dmesg, showing the panic is following :
[SNIP]
Device configuration finished.
procfs registered
Timecounter "TSC" frequency 169163324 Hz quality 800
Timecounters tick every 1.000 msec
firewire0: fw_sidrcv: ERROR invalid self-id packet
firewire0: 1 nodes, maxhop <= 0 Not IRM capable irm(-1)
lo0: bpf attached
hptrr: no controller detected.
ata0: Identifying devices: 00000001
ata0: New devices: 00000001
usbus0: 12Mbps Full Speed USB v1.0
battery0: battery initialization start
battery1: battery initialization start
acpi_acad0: ugen0.1: <Intel> at usbus0
uhub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
acline initialization start
acpi_acad0: On Line
acpi_acad0: acline initialization done, tried 1 times
ata0-master: pio=PIO4 wdma=WDMA2 udma=UDMA100 cable=80 wire
ad0: setting UDMA33
ad0: 28615MB <HITACHI DK23DA-30 00J1A0A1> at ata0-master UDMA33
ad0: 58605120 sectors [62016C/15H/63S] 16 sectors/interrupt 1 depth queue
unknown: Lazy allocation of 0x400 bytes rid 0x14 type 3 at 0x88000000
cbb1: Opening memory:
cbb1: Normal: 0x88000000-0x88000fff
cbb1: Opening memory:
cbb1: Normal: 0x88000000-0x88000fff
        map[10]: type I/O Port, range 32, base 0, size  8, port disabled
        map[14]: type Memory, range 32, base 0, size 10, enabled
panic: resource_list_add: resource entry is busy
KDB: enter: panic
[thread pid 8 tid 100032 ]
Stopped at      kdb_enter+0x3a: movl    $0,kdb_why
db> where
Tracing pid 8 tid 100032 td 0xc256cb40
kdb_enter(c0c9240f,c0c9240f,c0c93aaa,c23d4b70,c23d4b70,...) at kdb_enter+0x3a
panic(c0c93aaa,3,14,400,ffffffff,...) at panic+0xd1
resource_list_add(c26e9004,3,14,0,ffffffff,...) at resource_list_add+0x96
pci_add_map(c26e9004,1,0,c23d4c58,14,...) at pci_add_map+0x628
pci_add_resources(c256b980,c267a980,1,0,1,...) at pci_add_resources+0x59e
cardbus_attach_card(c256b980,c24fd990,c0d23d08,f889cc55,ffebf3e8,...) at 
cardbus_attach_card+0x56e
cbb_event_thread(c2676000,c23d4d38,4478b00,840fc085,428,...) at 
cbb_event_thread+0x395
fork_exit(c070db40,c2676000,c23d4d38) at fork_exit+0x90
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xc23d4d70, ebp = 0 ---

	Cheers

	TfH