Re: "irq 11: nobody cared" after S3

[Nathan Bryant <nbryant-p32f3XyCuykqcZcGjlUOXw@public.gmane.org>]

Stefan Dösinger wrote:
> 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.

Does kernel command line "acpi=noirq" help?

> 
> 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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