[CentOS-virt] Can't get PCI card visible in guest

Todd Deshane deshantm at gmail.com
Sat Oct 25 19:25:09 UTC 2008

On Fri, Oct 24, 2008 at 7:58 PM, Kenneth Tanzer <ktanzer at desc.org> wrote:
> I've got a Digium PCI telephone card that I'm trying to use with an
> AsteriskNow guest, on  a CentOS 5.2 host.  I've tried setting up the pciback
> stuff, and think I've done it right, but the card does not show up in the
> guest.  I'm obviously missing something, so any help (including ways to
> debug this!) would be greatly appreciated.
> Here's some more info:
> The guest is fully virtualized, so I'm assuming that nothing should need to
> be configured within the guest.

Just a sanity check, proper IOMMU support, such as Intel VT-d, is needed
for passing devices to fully virt guests. Does your system support VT-d?


Todd Deshane

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