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Date:      Sun, 01 Feb 2004 12:49:50 -0600
From:      Peter Schultz <pmes@bis.midco.net>
To:        David Rhodus <drhodus@machdep.com>
Cc:        current@freebsd.org
Subject:   Re: Interrupt storm on acpi0 occurred after madt.c change
Message-ID:  <401D4A4E.7070805@bis.midco.net>
In-Reply-To: <7580C98C-53F1-11D8-9400-000A959B213E@machdep.com>
References:  <20040130164001.GA49968@neo.redjade.org> <7580C98C-53F1-11D8-9400-000A959B213E@machdep.com>

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David Rhodus wrote:
> On Jan 30, 2004, at 11:40 AM, Sangwoo Shim wrote:
> 
>>Hi.
>>I've experienced interrupt storm on acpi0 after your v1.10 madt.c 
>>commit.
>>(which is located at src/sys/i386/acpica/madt.c);
>>What really makes me frustrating is this storm wasn't here before 1.10 
>>change,
>>which is exactly stand against your commit log message. :-(
> 
> 
> I assume your watching the interrupts via `systat -vm 1` do you see them
> across all irq's or some specific locations ?
> 

For me, the storm is concentrated on irq20.

Pete...



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