Re: [Xen-devel] Xen-unstable: Xen panic when shutting down HVM guest with PCI passthrough: RIP: e008:[<ffff82d0801099b1>] evtchn_move_pirqs+0x90/0xbf

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

Thursday, June 5, 2014, 5:03:24 PM, you wrote:

> On 05/06/14 15:54, Sander Eikelenboom       wrote:

>   
> Hi,

> When shutting down a HVM guest with PCI passthrough Xen panics with the panic 
> below (complete xl-dmesg attached).

> # addr2line -e xen-syms ffff82d0801099b1
> /usr/src/new/xen-unstable/xen/common/event_channel.c:1326

> which is:
>         pirq_set_affinity(d, chn->u.pirq.irq, mask);
>   
>   
>      This is presumably an ordering issue on destroy.
>   
>      Does reverting bac6334b5 fix the problem?
>   
>      ~Andrew

Hi Andrew,

That seems to have been a good hunch, after reverting that commit i have been
able to repeatedly create and shutdown the guest with passthrough, without a 
crash.

--
Sander  


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