"irq 11: nobody cared" after S3

["Stefan Dösinger" <stefandoesinger-RbZlAiThDcE@public.gmane.org>]

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Hello,
I have a really odd problem with acpi interrupts and ipw2100.

I use 2.6.8-rc2 + acpi-20040715 and the system works fine after S3 as long no 
driver uses IRQ11. But if I have ipw2100 loaded before I suspend or load it 
afterwards, irq11 and irq10 are disabled.

The odd thing is that it worked for 2 days with the (hopefully) same 
configuration. Then I tried to make a clear patch which calls 
acpi_leave_sleep_state before resuming the devices which is needed on my 
notebook(see pci device resume too early?). I recombiled the kernel and my 
nice setup stopped working. Returning to the original code didn't help.

The problem occurs when ipw2100(or ndiswrapper) is loaded before I suspend(see 
dmesg.loadbefore) or if I load it after resume(see dmesg.loadlater. In both 
cases IRQ11 and IRQ10 are disabled. IRQ10 works nicely as long IRQ11 is not 
used. The IRQ crash occues eighter when PIT is resumed or when ipw2100 
registers the irq line.

This is my /proc/interrupts with a normally booted system(no S3):
           CPU0
  0:    1508252          XT-PIC  timer
  1:       2953          XT-PIC  i8042
  2:          0          XT-PIC  cascade
  5:      19552          XT-PIC  uhci_hcd, eth0
  8:          2          XT-PIC  rtc
  9:        168          XT-PIC  acpi
 10:      94435          XT-PIC  ehci_hcd, uhci_hcd, uhci_hcd, 
radeon@PCI:1:0:0, Intel ICH4
 11:       1166          XT-PIC  wlan0
 12:       5382          XT-PIC  i8042
 14:      14433          XT-PIC  ide0
NMI:          0
LOC:    1508373
ERR:          0
MIS:          0

After this crash, 11 hase a count of exactly 100000.
I tried with  and without APIC, IOAPIC, hpet, power management timer.
If I reverse the patch from http://bugme.osdl.org/show_bug.cgi?id=2643, the 
messages disappear, but the interrupts still do not work.

Any ideas?
Best regards,
Stefan

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