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SubjectRe: [BUG] kacpi_notify goes into an infinite loop (luckly it calls cond_resched)
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On Wed, 2010-06-30 at 11:17 -0400, Len Brown wrote:
> > /sys/firmware/acpi/interrupts/sci_not: 1
>
> This means that acpi_irq was invoked and could not find a cause for the
> interrupt.
>
> Does /proc/interrupts show that the acpi interrupt shares and IRQ
> with another device, or is it alone?
>

It looks to be alone:

# cat /proc/interrupts
CPU0
0: 158 IO-APIC-edge timer
1: 334 IO-APIC-edge i8042
4: 4 IO-APIC-edge
6: 5 IO-APIC-edge floppy
7: 0 IO-APIC-edge parport0
8: 0 IO-APIC-edge rtc0
9: 0 IO-APIC-fasteoi acpi
12: 238565 IO-APIC-edge i8042
14: 158753 IO-APIC-edge ata_piix
15: 604816 IO-APIC-edge ata_piix
16: 38352 IO-APIC-fasteoi uhci_hcd:usb2, i915@pci:0000:00:02.0
17: 3164 IO-APIC-fasteoi Intel 82801DB-ICH4, eth0
18: 0 IO-APIC-fasteoi uhci_hcd:usb4
19: 1652995 IO-APIC-fasteoi uhci_hcd:usb3
23: 3718117 IO-APIC-fasteoi ehci_hcd:usb1
NMI: 16288 Non-maskable interrupts
LOC: 7599309 Local timer interrupts
SPU: 0 Spurious interrupts
PMI: 0 Performance monitoring interrupts
PND: 0 Performance pending work
RES: 0 Rescheduling interrupts
CAL: 0 Function call interrupts
TLB: 0 TLB shootdowns
TRM: 0 Thermal event interrupts
THR: 0 Threshold APIC interrupts
MCE: 0 Machine check exceptions
MCP: 523 Machine check polls
ERR: 6
MIS: 0
-- Steve




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