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Re: [Xen-devel] pvops-2.6.32 - Interrupt routing problem

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] pvops-2.6.32 - Interrupt routing problem
From: Bastian Blank <waldi@xxxxxxxxxx>
Date: Sun, 14 Mar 2010 15:08:14 +0100
Cc: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
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On Wed, Mar 10, 2010 at 12:19:23PM +0100, Bastian Blank wrote:
> I was able to test Xen 3.4.3-rc3 and the current 2.6.32 tree on a
> HP DL385 G6.

It also happens with Xen 4.0.0-rc6.

However something caught my attention.

> |  5: xen-pirq-ioapic-edge  ehci_hcd:usb1, ohci_hcd:usb2, ohci_hcd:usb4
> [    1.626062] ehci_hcd 0000:00:07.2: PCI INT A -> Link[IUSB] -> GSI 5 
> (level, low) -> IRQ 5

> | 14: xen-pirq-ioapic-edge  sata_svw
> [    1.718903] sata_svw 0000:01:0e.0: PCI INT A -> Link[ISF0] -> GSI 14 
> (level, low) -> IRQ 14

The interrupts are enabled as edge driven, but are reported by ACPI as
level triggered.


There are certain things men must do to remain men.
                -- Kirk, "The Ultimate Computer", stardate 4929.4

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