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

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] PCI passthrough w/ shared IRQ in xen/master
From: Stefan Kuhne <stefan.kuhne@xxxxxxx>
Date: Fri, 19 Feb 2010 17:29:38 +0100
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Am 19.02.2010 17:06, schrieb Keir Fraser:
> On 19/02/2010 15:56, "Michael D Labriola" <mlabriol@xxxxxxxx> wrote:
> 
Hello,

>> 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.
> 
sounds like my Problem with my new small Hardware.
When i passthrough a PCI device IRQ 16 is disabled and then SATA goes down.

Regards,
Stefan Kuhne

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