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[Xense-devel] vtpm_managerd locks the TPM


  • To: Xense-devel@xxxxxxxxxxxxxxxxxxx
  • From: Luke <secureboot@xxxxxxxxx>
  • Date: Thu, 20 Sep 2007 22:45:28 -0400
  • Delivery-date: Thu, 20 Sep 2007 19:45:52 -0700
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  • List-id: "A discussion list for those developing security enhancements for Xen." <xense-devel.lists.xensource.com>

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
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