Xen 
 
Home About Xen.org Xen Xen Summit Wiki Mailing List Bug Tracker Xen Downloads
 
   
 

xense-devel

[Xense-devel] vtpm_managerd locks the TPM

To: Xense-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xense-devel] vtpm_managerd locks the TPM
From: Luke <secureboot@xxxxxxxxx>
Date: Thu, 20 Sep 2007 22:45:28 -0400
Delivery-date: Thu, 20 Sep 2007 19:45:52 -0700
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:mime-version:content-type; bh=L7Er81S5zh2WO2OHoli/KzJyveA4TnCFnTOFItkFq7U=; b=Mc8arr7KnpntRxbk89FZsA3WqDekftTwXytMeuZvJ++VNZZTD5py4nUtBe8KVUMEnKWP/enWaMnqGBJ+cJYyC38fqeVTkhL+zTo9l3cRdcUyRzCeQZ7pAUQKAmOwcpPTpChXajUYs8d4IIBk7jzKrfwpdue5vRPdR0uvVXl3A1I=
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:mime-version:content-type; b=lDG1zPM4AsE/CNP6SNVaRvZ9oH1vN0UY9HyRSq5PUasQC43PSRRvIMgixQyA/7H/B5FjhVAwJsF/aA/lpAFbqoeXQkgXJVawzVaJeu/BqgfAcfl5Mnb7Efm+PZDVprzpSGzL80m07iLIXtVSw54OLOs54JkXSzblcVRdgXJ5Ti4=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
List-help: <mailto:xense-devel-request@lists.xensource.com?subject=help>
List-id: "A discussion list for those developing security enhancements for Xen." <xense-devel.lists.xensource.com>
List-post: <mailto:xense-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xense-devel>, <mailto:xense-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xense-devel>, <mailto:xense-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xense-devel-bounces@xxxxxxxxxxxxxxxxxxx
It seems like vtpm_managerd locks the TPM when I try to use it.

I can't run bindfile/unbindfile commands, do a tpm_demo, etc when vtpm_managerd is running.  I get I/O errors or get_capability errors (using the old IBM TPM command suite), which seems to suggest that vtpm_managerd locks the TPM from other commands.

Have other people found this to be the case as well?  Is there any fix for this?  Why does vtpm_managerd need to lock the TPM?

Anyone try Trousers with vtpm_manager simultaneously?

Thanks for the help -

--
Luke
_______________________________________________
Xense-devel mailing list
Xense-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xense-devel
<Prev in Thread] Current Thread [Next in Thread>