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Gmane

From: Ian Campbell <Ian.Campbell <at> citrix.com>
Subject: Re: xen-unstable pci passthrough: bug in accounting assigned pci devices when assignment has failed
Newsgroups: gmane.comp.emulators.xen.devel
Date: Monday 24th February 2014 10:49:37 UTC (over 4 years ago)
graft 27 ^
thanks

Adding this info to the bug for the benefit of whoever ends up looking
at it. Thanks.

Ian.

On Fri, 2014-02-21 at 15:34 +0100, Sander Eikelenboom wrote:
> Hi Ian,
> 
> It was decided that the bug that domain creation does not fail on non
assignable pci devices was deferred to 4.5.
> (and it wouldn't prevent this bug anyhow when doing pci hotplug with xl
pci-attach)
> 
> But there seems to be a bug in the error path:
> 
> [email protected]:~# xl pci-assignable-list
> 0000:02:00.0
> 
> Now when i boot a VM with  pci=['00:19.0'] in it's config file ... which
is not assignable:
> 
> [email protected]:~# xl create /etc/xen/domU/router.hvm
> Parsing config from /etc/xen/domU/router.hvm
> libxl: error: libxl_pci.c:1060:libxl__device_pci_add: PCI device 0:0:19.0
is not assignable
> 
> That looks ok ... and the pci device is not visible / accessible in the
guest ...  but it seems the entry is still in xenstore nevertheless:
> 
> [email protected]:~# xl pci-list router
> Vdev Device
> 00.0 0000:00:19.0
> 
> --
> Sander
>
 
CD: 3ms