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From: Oliver Neukum <oliver@neukum.org>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Subject: Re: question on odd APIC behavior
Date: Fri, 16 Nov 2007 12:03:28 +0100
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References: <200711150054.34312.oliver@neukum.org> <200711151905.03005.oliver@neukum.org> <Pine.LNX.4.64N.0711160959010.25869@blysk.ds.pg.gda.pl>
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Am Freitag 16 November 2007 schrieb Maciej W. Rozycki:
> On Thu, 15 Nov 2007, Oliver Neukum wrote:
> 
> > On irq 20, there's an UHCI, on irq 19 is an EHCI. For every interrupt on 20
> > there's a spurious interrupt on 19. USB devices on bus of the controller on 20
> > work. So I know all interrupts are seen. ERR does not increase. Interrupts
> > for devices on the bus of the controller on 19 arrive at 19 only.
> 
>  I suggest you try to sort it out with the maintainers of the UHCI and 
> EHCI drivers then.

They are innocent. This laptop really delivers an interrupt twice.

	Regards
		Oliver