Re: [Xen-devel] xl pci-detach vs xm pci-detach in Xen 4.3 (one works, the other does not)

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 10/06/13 14:20, Konrad Rzeszutek Wilk wrote:
> On Mon, Jun 10, 2013 at 12:12:47PM +0100, George Dunlap wrote:
> > create ^
> > title it xl pci-detach failure
> > thanks
> >
> > On Fri, Jun 7, 2013 at 4:45 PM, Konrad Rzeszutek Wilk
> > <konrad.wilk@xxxxxxxxxx> wrote:
> > > any thoughts? I don't know if this is a regression or not, but the
> > > libxl errors are pointing me to the recent XSA issue - which I thought
> > > was fixed?
> > I think the recent issue was with xend not working.  Did we fix send
> > and break xl?
> Could be. It might also be that that 'xl' never did it the same way
> as 'xend' (meaning this might be a XenBus teardown change).
>
> Note also that this is PV guests - and I think most of the testing
> had been with the HVM guests with PCI passthrough. So it might be a
> seperate issue altogether. Or that nobody tried doing PCI plug/unplug
> in the past :-(
I certainly did before my February FOSDEM talk that included driver domains.

> > In any case, this is a pretty important feature; I think we need to
> > sort it out before release, so I'm giving it a bug id to track.
> >
> > Is "pci permissive" set in the global xl.conf file?
> No. Let me of course try that.
That really should have to do with getting it working in the first 
place, not detaching it; but still...
> > Have you tried this with say, a stock Debian Wheezy kernel?
> No. A v3.10-rc4 with Xen 4.3 latest.
>
> Is Debian Wheezy a 2.6.32 kernel?
No, 3.2.

 -George


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