Subject: Re: Bug in x86 ioapic interrupt code for devices with shared interrupts?
To: None <tls@rek.tjls.com>
From: Jason Thorpe <thorpej@shagadelic.org>
List: port-amd64
Date: 03/03/2006 08:49:12 
On Mar 1, 2006, at 11:46 AM, Thor Lancelot Simon wrote:

> One of the NetBSD Foundation servers is a dual-Opteron with an onboard
> dual Broadcom gigabit chip.  This chip, as far as I can tell from some
> experiments, gets seriously disturbed by the driver's tendency to
> acknowledge interrupts even if they're not actually from the device.

This is a bug in bge(4), plain and simple.  It should not acknowledge  
the interrupt if it did not generate it, period.

-- thorpej