Re: [Xen-devel] Re: Xen 3.4 multi-function pass-through tree, isn't working...

[Simon Horman <horms@xxxxxxxxxxxx>]

On Sun, Jul 26, 2009 at 01:01:02PM +0300, Tom Rotenberg wrote:
> Simon,
> 
> (BTW - Did you see my other mail, about a problem, which causes the
> machine to freeze? i suspect that this might be due to the multi-fn
> pass-through code. Can u please give your opinion about it?)

Its quite likely that the problem that you are seeing is caused by
multi-function.  Especially as a) you are probably the only person to
exercise the code in this way so far and b) the PCI pass-through code is
in my opinion very fragile.

I haven't looked closely into the problem yet - I was kind of hoping
someone else would while I was tracking down the cause of the
other problems that you have reported.

> Here is the resulting log:

[snip]

> [2009-07-26 05:59:12 4286] INFO (XendDomainInfo:2146) Created PCI device 
> 0000:00:1a.0 at index 0 with state None
> [2009-07-26 05:59:12 4286] INFO (XendDomainInfo:2146) Created PCI device 
> 0000:00:1d.0 at index 1 with state None

Thanks, that is very interesting. It looks like 0000:00:1a.0 is
being inserted into xenstore twice, which is invalid. I'll hunt
further to see if I can work out why that is occurring.


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