On Sat, 2008-09-20 at 07:33 -0700, nate wrote:
> partha chowdhury wrote:
>
> >> Sep 19 13:13:02 station2 kernel: irq 50: nobody cared (try booting
> > with the "irqpoll" option)
>
> cat /proc/interrupts and see what it says(post output to the list
> if you want).
>
> One thing to try, if something is sharing irq50 with another
> device, if that device is an expansion card then try moving
> that expansion card to another slot in the system.
here's the output :
cat /proc/interrupts
CPU0 CPU1
0: 4925 1168343 IO-APIC-edge timer
1: 53 328 IO-APIC-edge i8042
8: 0 5 IO-APIC-edge rtc
9: 0 0 IO-APIC-level acpi
12: 0 105 IO-APIC-edge i8042
50: 98133 1867 IO-APIC-level ehci_hcd:usb2
58: 3 86294 IO-APIC-level ohci_hcd:usb3, nvidia
66: 0 0 IO-APIC-level ohci_hcd:usb4
74: 4188 77 IO-APIC-level eth0
82: 35474 110 IO-APIC-level EMU10K1X
90: 1696 111580 PCI-MSI eth1
233: 11081 5907 IO-APIC-level ehci_hcd:usb1, ahci
NMI: 0 0
LOC: 1173125 1173126
ERR: 1
MIS: 0
nothing is sharing irq50 so i am a little puzzled
>
> For the system I am on for reference:
>
>
> CPU0 CPU1 CPU2 CPU3
> 0: 349449438 97827289 129150703 1324419 IO-APIC-edge timer
> 4: 22709754 0 0 0 IO-APIC-edge serial
> 8: 572455673 15473535 564615318 27739670 IO-APIC-edge rtc
> 9: 1 0 0 0 IO-APIC-level acpi
> 15: 74017 49259 29528511 0 IO-APIC-edge ide1
> 50: 13430140 0 12041824 0 IO-APIC-level eth2
> 74: 7857068 0 0 0 IO-APIC-level Intel
> 82801DB-ICH4
> 169: 142038093 0 0 0 IO-APIC-level
> uhci_hcd:usb1, nvidia
> 177: 2719957 0 0 0 IO-APIC-level uhci_hcd:usb2
> 185: 0 0 0 0 IO-APIC-level uhci_hcd:usb3
> 193: 65184 0 4501500 0 IO-APIC-level
> ehci_hcd:usb4, ohci_hcd:usb7
> 201: 13311819 94167 14802720 262062 IO-APIC-level 3w-xxxx
> 209: 19049441 916146 11652498 250590 IO-APIC-level eth0
> 217: 1612506 0 0 0 IO-APIC-level ehci_hcd:usb5
> 225: 3263237 0 0 0 IO-APIC-level ohci_hcd:usb6
> 233: 1810468 3618 29330 424 IO-APIC-level eth1
> NMI: 0 0 0 0
> LOC: 577787080 577787079 577787078 577787077
> ERR: 0
> MIS: 0
>
>
> Nothing sharing irq 50 on this machine, though irq 169 is being
> shared by both my Nvidia video card and a 4-port USB expansion
> card.
>
> The kernel source code describes the error as this:
>
> * If 99,900 of the previous 100,000 interrupts have not been handled
> * then assume that the IRQ is stuck in some manner. Drop a diagnostic
> * and try to turn the IRQ off.
> *
> * (The other 100-of-100,000 interrupts may have been a correctly
> * functioning device sharing an IRQ with the failing one)
>
>
> So sounds hardware related. Whether it's the board itself
> or an add-in card I'm not sure. If possible remove all
> add-in cards that you can to see if the issue goes away.
> Also disable all devices in the BIOS that your not using
> (secondary IDE ports, serial ports, parallel ports etc), just
> to rule those out.
i have disabled the only ide port and parallel and serial port in the
bios. still i am getting the message.
.
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