Hostap_cs shared irq oops

[SuD]

Hi, I recently upgraded to kernel 2.6.18.2 and noticed these problems:
- I realized that having CONFIG_ISA=y makes it always crash when i 
insert the card (complains about unexpected LVT TMR interrupt). So i 
disabled Isa.
- Hostap_cs gets a shared Irq (this didn't happen with kernel 
2.6.15.6). It crashes if the interrupt is triggered while the device is 
not fully initialized (Error is: "Divide error 0000 [#1]"). I can 
workaround that by using a flag and inserting a "if (!my_init_flag) { 
return IRQ_HANDLED }" at the begining of the irq handler.

- I don't know much about irq allocation. Can i try something to get my 
separate irq back?
- Should i try different configuration or 2.6.19?
- Should hostap_cs be enhanced to support shared irq?

I use debian etch. Laptop is a G200N 1.7GHz Centrino.

My /proc/interrupts in 2.6.18.2:
          CPU0
 0:     756865          XT-PIC  timer
 1:      11062          XT-PIC  i8042
 2:          0          XT-PIC  cascade
 5:      30453          XT-PIC  uhci_hcd:usb3, eth0
 9:     306542          XT-PIC  acpi
10:      40192          XT-PIC  ohci1394, yenta, ipw2200, 
ehci_hcd:usb1, uhci_hcd:usb4, Intel 82801DB-ICH4, pcmcia0.0
11:     167128          XT-PIC  uhci_hcd:usb2, i915@pci:0000:00:02.0
12:     226854          XT-PIC  i8042
14:      48281          XT-PIC  ide0
15:      24932          XT-PIC  ide1

Some acpi boot messages:
PCI quirk: region 1000-107f claimed by ICH4 ACPI/GPIO/TCO
PCI quirk: region 1180-11bf claimed by ICH4 GPIO
PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
PCI: Transparent bridge - 0000:00:1e.0
PCI: Bus #03 (-#06) is hidden behind transparent bridge #02 (-#02) (try 
'pci=assign-busses')
Please report the result to linux-kernel to fix this permanently
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIB._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs *11)
ACPI: PCI Interrupt Link [LNKB] (IRQs *10)
ACPI: PCI Interrupt Link [LNKC] (IRQs *10)
ACPI: PCI Interrupt Link [LNKD] (IRQs 5) *11
ACPI: PCI Interrupt Link [LNKE] (IRQs 10) *11
ACPI: PCI Interrupt Link [LNKF] (IRQs 10) *0, disabled.
ACPI: PCI Interrupt Link [LNKG] (IRQs 11) *0, disabled.
ACPI: PCI Interrupt Link [LNKH] (IRQs *10)
ACPI: Embedded Controller [EC0] (gpe 29) interrupt mode.
ACPI: Power Resource [PFN0] (off)
ACPI: Power Resource [PFN1] (off)

Thanks, please CC me if you can (works both with or without the "_nospam").

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