linux-kernel - Re: question on odd APIC behavior

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Message-ID: <Pine.LNX.4.64N.0711191504220.23541@blysk.ds.pg.gda.pl>
Date:	Mon, 19 Nov 2007 15:09:26 +0000 (GMT)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Oliver Neukum <oliver@...kum.org>
cc:	linux-kernel@...r.kernel.org
Subject: Re: question on odd APIC behavior

On Fri, 16 Nov 2007, Oliver Neukum wrote:

> I am getting irq 19:nobody cared. Interrupts on 19 and 20 increase with
> same rate, disconnecting the device on the bus stops the increase,
> reconnecting it makes them increase again.

 Very odd indeed.  I suggest you post the relevant information (like the 
bootstrap log, output from `lspci -v', the contents of /proc/cpuinfo, 
etc.) together with the description of the problem (so that the report is 
self-contained) here and perhaps somebody will be able to diagnose it 
properly.  It could be some ACPI breakage.

  Maciej
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