linux-kernel - Re: question on odd APIC behavior

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Date:	Fri, 16 Nov 2007 12:03:28 +0100
From:	Oliver Neukum <oliver@...kum.org>
To:	"Maciej W. Rozycki" <macro@...ux-mips.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: question on odd APIC behavior

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
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