Re: question on odd APIC behavior
From: Oliver Neukum
Date: Fri Nov 16 2007 - 06:03:48 EST
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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