bug#33750: Virt-manager missing USB/PCI host device options

bug#33750: Virt-manager missing USB/PCI host device options

[Rutger Helling]

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In virt-manager when clicking "Add hardware" on a VM the USB/PCI Host
Device boxes are greyed out with the message "Connection does not
support host device enumeration". It seems we're missing some
dependencies.

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bug#33750: Virt-manager missing USB/PCI host device options

[Chris Marusich]

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Rutger Helling <rhelling@mykolab.com> writes:

> In virt-manager when clicking "Add hardware" on a VM the USB/PCI Host
> Device boxes are greyed out with the message "Connection does not
> support host device enumeration". It seems we're missing some
> dependencies.

I don't have the solution, but I might have a work-around or two.

FYI, even though I also observe the problem you describe, it's actually
still possible to assign a PCI device to a VM by using virsh's
"attach-device" command.  See "man virsh" for details.  This requires
you to craft an XML file describing the device you wish to attach to
your VM [1].

In addition, if your goal is just to pass a USB device through to the
guest, you might try running virt-manager as root.  This has worked for
me in the past.

Of course, we should continue to investigate the actual problem.  I only
mention these work-arounds in the hopes that it helps you out.

Footnotes: 
[1]  https://libvirt.org/formatdomain.html

-- 
Chris

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bug#33750: Virt-manager missing USB/PCI host device options

[Rutger Helling]

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Hi Chris,

Thanks for the tips, but I already knew how to work around it. The
point was more that it shouldn't be greyed out. I tried adding
libpciaccess to libvirt, unfortunately that alone didn't do the trick.

On Sat, 15 Dec 2018 20:46:39 -0800
Chris Marusich <cmmarusich@gmail.com> wrote:

> Rutger Helling <rhelling@mykolab.com> writes:
> 
> > In virt-manager when clicking "Add hardware" on a VM the USB/PCI
> > Host Device boxes are greyed out with the message "Connection does
> > not support host device enumeration". It seems we're missing some
> > dependencies.  
> 
> I don't have the solution, but I might have a work-around or two.
> 
> FYI, even though I also observe the problem you describe, it's
> actually still possible to assign a PCI device to a VM by using
> virsh's "attach-device" command.  See "man virsh" for details.  This
> requires you to craft an XML file describing the device you wish to
> attach to your VM [1].
> 
> In addition, if your goal is just to pass a USB device through to the
> guest, you might try running virt-manager as root.  This has worked
> for me in the past.
> 
> Of course, we should continue to investigate the actual problem.  I
> only mention these work-arounds in the hopes that it helps you out.
> 
> Footnotes: 
> [1]  https://libvirt.org/formatdomain.html
> 


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bug#33750: Virt-manager missing USB/PCI host device options

[Rutger Helling]

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Closing, fixed in d15211c9b5b46b96c5b658329624942b6ff5c917.

On Sat, 15 Dec 2018 20:46:39 -0800
Chris Marusich <cmmarusich@gmail.com> wrote:

> Rutger Helling <rhelling@mykolab.com> writes:
> 
> > In virt-manager when clicking "Add hardware" on a VM the USB/PCI
> > Host Device boxes are greyed out with the message "Connection does
> > not support host device enumeration". It seems we're missing some
> > dependencies.  
> 
> I don't have the solution, but I might have a work-around or two.
> 
> FYI, even though I also observe the problem you describe, it's
> actually still possible to assign a PCI device to a VM by using
> virsh's "attach-device" command.  See "man virsh" for details.  This
> requires you to craft an XML file describing the device you wish to
> attach to your VM [1].
> 
> In addition, if your goal is just to pass a USB device through to the
> guest, you might try running virt-manager as root.  This has worked
> for me in the past.
> 
> Of course, we should continue to investigate the actual problem.  I
> only mention these work-arounds in the hopes that it helps you out.
> 
> Footnotes: 
> [1]  https://libvirt.org/formatdomain.html
> 


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