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Date:      Mon, 12 May 2003 13:47:53 +0100
From:      Paul Richards <paul@freebsd-services.com>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        current@freebsd.org
Subject:   Re: Interrupt latency problems
Message-ID:  <20030512124753.GA48753@survey.codeburst.net>
In-Reply-To: <16063.38255.961273.900146@grasshopper.cs.duke.edu>
References:  <22333.1052574519@critter.freebsd.dk> <20030511.134504.85393710.imp@bsdimp.com> <1052684139.4921.3.camel@cf.freebsd-services.com> <20030511.143231.133432780.imp@bsdimp.com> <1052692357.4921.128.camel@cf.freebsd-services.com> <16062.59918.302092.929640@curly.cs.duke.edu> <1052703871.4921.146.camel@cf.freebsd-services.com> <16063.38255.961273.900146@grasshopper.cs.duke.edu>

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On Mon, May 12, 2003 at 08:37:03AM -0400, Andrew Gallatin wrote:
> 
> Paul Richards writes:
>  > As a further datapoint to my last email:
>  > 
>  >    20  ??  WL     5:16.38  (irq9: fxp0 acpi0)
>  > 
> 
> I just checked some old console logs (I no longer have the machine in
> question).   My fxp0 was also at irq9.  

I tried shifting the irq around last night, the bios does support this.
I definitely think there's something to this theory, when I put it on
irq 10 the problem got a whole lots worse to the point that the machine
couldn't be used and I had to reboot it (just error messages streaming
past on the console).

Unfortunately, I don't know what else was on irq10 at the time since
they move around when I change the bios settings.

I'm continuing to poke around to find out exactly what's causing
what....

-- 
Paul Richards



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