[Xen-users] Re: vTPM not working in domU

[Sebastian Biedermann <biedermann@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

Okay, now I found out, that actually I dont have a /dev/vtpm and I dont
have a vtpm_managerd in my dom0. Why? Where can I get this?

I compiled Xen with vtpm_tools=y...

thanks

Am 06.04.2011 12:00, schrieb Sebastian Biedermann:
> Hi list,
>
> I´m not able to use a vTPM in a domU and I cannot figure out what is 
> going wrong.
> I´m using Xen 4.0.1 and prepared kernel dom0 package for debian squeeze.
>
> In the dom0, the TPM is working fine.
> So I added to the domU config file the line:
>
> vtpm = [ 'instance=1 backend=0']
>
> ID=1 for the domU instance and ID=0 for the domO instance with the 
> working TPM.
> But when I start domU there is following error:
>
> Error: Device 0 (vtpm) could not be connected. Hotplug scripts not 
> working.
> I dont know whats wrong, the ID´s of the domains are correct
>
> The xend.log File says:
>
> [2011-04-06 11:49:40 2066] DEBUG (DevController:139) Waiting for 
> devices vtpm.
> [2011-04-06 11:49:40 2066] DEBUG (DevController:144) Waiting for 0.
> [2011-04-06 11:49:40 2066] DEBUG (DevController:628) 
> hotplugStatusCallback /local/domain/0/backend/vtpm/8/0/hotplug-status.
> [2011-04-06 11:51:20 2066] DEBUG (XendDomainInfo:3053) 
> XendDomainInfo.destroy: domid=8
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2411) Destroying 
> device model
> [2011-04-06 11:51:21 2066] INFO (image:615) bpal-img device model 
> terminated
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2418) Releasing devices
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2424) Removing vif/0
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:1286) 
> XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2424) Removing vbd/51712
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:1286) 
> XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51712
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2424) Removing vfb/0
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:1286) 
> XendDomainInfo.destroyDevice: deviceClass = vfb, device = vfb/0
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2424) Removing console/0
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:1286) 
> XendDomainInfo.destroyDevice: deviceClass = console, device = console/0
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2424) Removing vtpm/0
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:1286) 
> XendDomainInfo.destroyDevice: deviceClass = vtpm, device = vtpm/0
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2416) No device model
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2418) Releasing devices
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2424) Removing vif/0
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:1286) 
> XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2424) Removing vbd/51712
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:1286) 
> XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51712
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:2424) Removing vtpm/0
> [2011-04-06 11:51:21 2066] DEBUG (XendDomainInfo:1286) 
> XendDomainInfo.destroyDevice: deviceClass = vtpm, device = vtpm/0
> Anyone has an idea what I could try?
>
> Thank you!
> Sebastian
--
Sebastian Biedermann
Security Engineering Group
Technische Universität Darmstadt
Mornewegstraße 32, 64293 Darmstadt
Phone: +49-6151-16-75146


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