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Subject: Re: do_IRQ: 1.55 No irq handler for vector (irq -1)
From: Suresh Siddha <suresh.b.siddha@intel.com>
Reply-To: Suresh Siddha <suresh.b.siddha@intel.com>
To: Robert Richter <robert.richter@amd.com>
Cc: Borislav Petkov <bp@amd64.org>, mingo@kernel.org, hpa@zytor.com,
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        "Petkov, Borislav" <borislav.petkov@amd.com>
Date: Tue, 07 Aug 2012 10:47:40 -0700
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On Tue, 2012-08-07 at 19:28 +0200, Robert Richter wrote:
> On 07.08.12 09:24:21, Suresh Siddha wrote:
> > Boris, Robert, Can you please send me the complete dmesg
> > and /proc/interrupts on a successful boot?
> 
> Sent to you in private mail.

Thanks.

> 
> What information are you looking for specifically? Maybe we can
> provide something here on the ml.

I was looking for what APIC mode and it was a PIC/IO-APIC interrupt.

So it looks like it is using logical flat mode and the interrupt was
from IO-APIC.

So most likely on your system after a successful boot, if you manually
set the affinity of one of those SATA/PATA interrupts to a specific
logical cpu say 0, I think the interrupt still get routed to other
logical cpu's. Can you confirm?

thanks,
suresh