[Xen-users] Advantages of HVM vs. paravirtualization in a Linux-only enviroment?

["Jamie J. Begin" <begin@xxxxxxxxxxxxxxx>]

Newbie here… My hardware supports HVM (full virtualization), but I only need to run Linux on it.  I initially tried to create a HVM domU, but couldn’t get pciback to work with a telephony card I need for use with Asterisk.  However everything seems to be working fine under a paravirtualized guest as long as I use permissive mode on the card. (Knock on wood—I’ve had some weird instability issues prior enabling permissive mode). 

 

Is there any real advantage to using HVM if I don’t need to virtualize Windows?  And if there is, how do I go about passing through PCI cards to the HVM guest?  I’m trying to figure out if it’s worth me continuing to hack on this problem.

 

Thanks!

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