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Re: [Xen-devel] Xen panic on guest shutdown with PCI Passthrough

To: Jan Beulich <JBeulich@xxxxxxxxxx>
Subject: Re: [Xen-devel] Xen panic on guest shutdown with PCI Passthrough
From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Date: Mon, 7 Feb 2011 15:06:17 +0000
Cc: Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Mon, Feb 7, 2011 at 09:27, Jan Beulich <JBeulich@xxxxxxxxxx> wrote:
>>>> On 04.02.11 at 17:34, Anthony PERARD <anthony.perard@xxxxxxxxxx> wrote:
>> Hi,
>>
>> Each time I shutdown a guest with a passthrough pci device, Xen panic
>> on a NMI - MEMORY ERROR.
>
> And this happening in msi_set_mask_bit() is consistent? Always at
> the same RIP, or (slightly) varying? If always at the same address,
> could you disassemble the respective instruction so we know what
> address is being read/written?

Unfortunately, this error happened in many place, even in default_idle.

Maybe this can help:
(XEN) irq.c:1585: dom1: forcing unbind of pirq 16
(XEN) irq.c:1585: dom1: forcing unbind of pirq 54
the error happened just after these debug print.

> And quite certainly only on one (type of) machine?

Yes, only one machine, I didn't try on other machine.

-- 
Anthony

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