[Asterisk-Users] OT: How do I know if I should have IO-APIC?

[Andrei (MPI)]

Jayson Vantuyl wrote:

>On Fri, Dec 10, 2004 at 10:18:17AM -0500, David Cook wrote:
>  
>
>>With regards to the IRQ sharing situation on 400P/X100P cards how would
>>I know if I can use IO-APIC?
>>
>>I am running RHEL 3 on a Dell PowerEdge 1400SC. RHEL installs without
>>IO-APIC support. Is this because RH is overly conservative or because
>>it queried my machine and that is the appropriate option?
>>
>>Does RHEL 3 have a kernel for IO-APIC if appropriate or am I expected to
>>do a custom kernel build to get there from here?
>>
>>dbc.
>>    
>>
>Mmmmm.  I know you can determine if you're using an IOAPIC by cat'ing
>/proc/interrupts.  It should say what interrupt controller is being used
>by each interrupt.
>
>Whenever I have interrupt problems, I boot up with "noapic" on the
>command line.  That forces XT-PIC support, so it may help you debug.
>  
>
I suspect, that it is just a big APIC myth.

I've used TDM400P in APIC server (lspci was showing IO-APIC-edge and 
IO-APIC-level), though the problems were identical to the server with 
XT-PIC chipset.

Sincerely,
Andrei