[CentOS-virt] TPM
Sandro Bonazzola
sbonazzo at redhat.com
Wed Aug 29 07:00:39 UTC 2018
2018-08-28 13:52 GMT+02:00 Dag Nygren <dag at newtech.fi>:
> Hi all!
>
> Just setting up a cluster using Centos 7
>
> We have a desperate need for TPM support and:
>
> 1. Tried the "standard" distro install. linvirt supports
> TPM passthrough but kvm-qemu barfs:
> "unsupported configuration: The QEMU executable /usr/libexec/qemu-kvm
> does not support TPM backend type passthrough"
>
> 2. The activated the qemu-ev repo and updated qemu-kvm to version 2.10.0,
> which for sure
> should support at least passthrough. No luck - Same error message.
> Downloaded the source for th rpm and found a line: "--disable-tpm"
> in build_configure.sh. Guess that the maintainers has some reason
> to turn tpm off. Can somone confirm this?
>
Not sure about reasons for turning off, but request to enable it has been
closed wontfix: https://bugzilla.redhat.com/show_bug.cgi?id=1327947
>
> 3. And now what next? The setup would really need swtpm, which
> should be available in 2.11.0. Can someone confirm that tpm
> will be enabled here? Would also be nice having a libvirt that
> will accept the swtpm configuration. the current don't like it.
>
Adding Miroslav
>
> Could of course recompile qemu myself, but really wouldn't like
> going that route. The sheer number of patches applied is quite scary...
>
> Best
> Dag
>
>
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--
SANDRO BONAZZOLA
MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV
Red Hat EMEA <https://www.redhat.com/>
sbonazzo at redhat.com
<https://red.ht/sig>
<https://www.redhat.com/en/events/red-hat-open-source-day-italia?sc_cid=701f2000000RgRyAAK>
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