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Re: [Xen-devel] PCI passthrough w/ shared IRQ in xen/master

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] PCI passthrough w/ shared IRQ in xen/master
From: Michael D Labriola <mlabriol@xxxxxxxx>
Date: Fri, 19 Feb 2010 11:14:15 -0500
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xen-devel-bounces@xxxxxxxxxxxxxxxxxxx wrote on 02/19/2010 11:06:51 AM:

> On 19/02/2010 15:56, "Michael D Labriola" <mlabriol@xxxxxxxx> wrote:
> 
> > Is this a bug in something (kernel or hypervisor) or a known 
limitation
> > with pci passthrough...  I sure hope it's a bug, cause I need to fill 
all
> > my PCI slots with cards that are going to get passed into different
> > domUs...  :-/
> 
> Looks like dom0 doesn't like receiving interrupts that are actually 
intended
> for the pass-thru device in the domU, complains and shuts down the 
interrupt
> line, and then gets upset that its SATA IRQ has disappeared.

Yeah, that's how I interpreted that as well.  I'm having fun running fsck 
over here now.

Does this point towards a bug in xen/master's dom0 IRQ handling?

-Mike

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