Re: [Xen-devel] pciback bug "secondary bus reset failed"

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2010-05-25 at 09:42 +0100, Alex Zeffertt wrote:
> Weidong Han wrote:
> > Alex Zeffertt wrote:
> >> Also, what if you reboot the domU - does the fact that you can't do an FLR 
> >> on 
> >> the card mean that there will be unpredictable results the 2nd time domU 
> >> tries 
> >> to initialise it?
> >>   
> > Yes. FLR is required by pci passthrough. your NIC only can be 
> > co-assigned (#1). #2 is just a temporary workaround for your try.
> > 
> 
> Is there a way of finding out from a running system whether a PCI card 
> supports 
> Feature Level Reset?

I think "lspci -vv" will include "FLReset+" in the DevCap field.

Ian.


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