Hi,
I have a hp nx6325 with infineon tpm on it. I have installed dom0 and domU kernels with  vtpm  support.  But when  I  added 
"vtpm = [ 'instance=1,backend=0' ]" 
line to my VM's configuration file, the VM gives an error 
"Error: Device 0 (vtpm) could not be connected. Hotplug scripts not working."
I can start the dom0's tpm with tpm_infineon driver. 
Shortly, what should I do in order to activate the vtpm in domU?
Thanks in advance...
Best regards..
 
-- burak()
(ps: bf)
METU CENG '06