From: Oliver Neukum <oliver@neukum.org>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: question on odd APIC behavior
Date: Fri, 16 Nov 2007 12:03:28 +0100 [thread overview]
Message-ID: <200711161203.29142.oliver@neukum.org> (raw)
In-Reply-To: <Pine.LNX.4.64N.0711160959010.25869@blysk.ds.pg.gda.pl>
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
next prev parent reply other threads:[~2007-11-16 11:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-14 23:54 Oliver Neukum
2007-11-15 13:16 ` Maciej W. Rozycki
2007-11-15 15:27 ` Oliver Neukum
2007-11-15 16:44 ` Maciej W. Rozycki
2007-11-15 18:05 ` Oliver Neukum
2007-11-16 10:02 ` Maciej W. Rozycki
2007-11-16 11:03 ` Oliver Neukum [this message]
2007-11-16 11:20 ` Maciej W. Rozycki
2007-11-16 21:34 ` Oliver Neukum
2007-11-19 15:09 ` Maciej W. Rozycki
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