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Date: Thu, 03 Jul 2014 18:09:08 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] e1000 autoneg timing, piix/osx
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To: Alexander Graf <agraf@suse.de>, "Gabriel L. Somlo" <gsomlo@gmail.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, "stefanha@redhat.com" <stefanha@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>

Il 03/07/2014 17:25, Alexander Graf ha scritto:
>
> Maybe the IRQ line is simply never shared on real Macs :).

That's most likely the case, or else it uses MSI.

Consider that QEMU only uses 2 GSIs for the four PCI interrupts (10 11), 
while real PIIX-era hardware used 4 (5 9 10 11, I think).

Paolo