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Re: [Xen-devel] Re: pv_ops parport trouble

To: Gerd Hoffmann <kraxel@xxxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Xen Development Mailing List <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Re: pv_ops parport trouble
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Thu, 19 Feb 2009 16:07:53 +0000
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On 19/02/2009 15:28, "Gerd Hoffmann" <kraxel@xxxxxxxxxx> wrote:

> Note that IRQ 7 is *level* triggered and we have a bunch of *shared*
> irqs which are *edge* triggered.  Given this I wonder my test box is
> able to stay up that long.

Yes, that looks completely backwards. Could pv_ops dom0 be getting the
trigger flag in IO-APIC redir entries inverted somehow?

 -- Keir



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