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Re: [Xen-devel] SR-IOV, Paravirt Guest fails to obtain IRQ after first b

To: Jan Beulich <JBeulich@xxxxxxxxxx>
Subject: Re: [Xen-devel] SR-IOV, Paravirt Guest fails to obtain IRQ after first boot
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Thu, 17 Mar 2011 22:42:41 +0200
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Robert Dunkley <Robert@xxxxxxxxx>
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On Thu, Mar 17, 2011 at 02:00:01PM +0000, Jan Beulich wrote:
> >>> On 17.03.11 at 13:56, "Robert Dunkley" <Robert@xxxxxxxxx> wrote:
> > Hi Jan,
> > 
> > Centos 5.5 with 2.6.18-247 RHEL kernel with iommu=pv and the 820 red hat
> > settings among others. Default Centos 5.5 kernel doesn't detect any VF
> > PCI deviavirt VM. Centos 5.5 with 247 kernel detects and works
> > perfectly first boot but any subsequent boot gives  error as below:
> > msix entry 0 for dev 09:10:0 are
> > not freed before acquire again.
> > msix entry 1 for dev 09:10:0 are
> > not freed before acquire again.
> > msix entry 2 for dev 09:10:0 are
> > not freed before acquire again.
> > 
> > HVMs are fine with either kernel.
> > 
> > Can you give me any idea where the problem might be? Could this be a
> > bios ACPI type issue?
> 
> Quite possibly your kernel is missing c/s 1070:2994d2997f9d
> (http://xenbits.xen.org/hg/linux-2.6.18-xen.hg/rev/2994d2997f9d).
> 

Robert: Want to open RHEL5 bugzilla entry about this issue? 

-- Pasi


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