Re: [Dumb question] 100k RTC interrupts/sec on SMP system: why?

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Replying to Arjan van de Ven:

Hi, Arjan!

> On Fri, 2006-11-10 at 15:35 +0300, Paul P Komkoff Jr wrote:
> > ce: <Cronyx Tau-PCI/32-Lite> at 0xfb013000 irq 217
> 
> what kind of device is this? Did the driver come with the kernel?

It's E1 interface card, I use them for telephony.

I am pretty sure that Tau32 isn't guilty (I did tests with and without
it installed), see interrupts

[stingray@voipng ~]$ cat /proc/interrupts
           CPU0       CPU1
  0:    9833272    9829747    IO-APIC-edge  timer
  6:          3          2    IO-APIC-edge  floppy
  7:          1          1    IO-APIC-edge  parport0
  8: 3673166897 3674697116   IO-APIC-level  rtc
 10:          0          0   IO-APIC-level  ohci_hcd:usb1
177:        586        401   IO-APIC-level  acpi
185:       9787       6905   IO-APIC-level  aic7xxx
193:          6          9   IO-APIC-level  aic7xxx
201:     249751          6   IO-APIC-level  eth0
217:   78926484   78899594   IO-APIC-level  Cronyx Tau-PCI/32
NMI:          0          0
LOC:   19663975   19663974
ERR:          0
MIS:          0

This is after 22 hours of uptime.

> Also have you tried acpi=off or the linux firmware test kit (see url in
> sig) to check the bios?

Didn't acpi=off meant to hose interrupt routing, SMP, and poweroff?
I'll try it right now.
And thanks, I didn't know about firmware test kit either ... will
download it right now and test in a few hours.

-- 
Paul P 'Stingray' Komkoff Jr // http://stingr.net/key <- my pgp key
 This message represents the official view of the voices in my head
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