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[Bug 1615722] Re: TPM driver doesn't load in qemu Windows guest

 

Thanks for coming back to this Kelvin.

I must admit I lack the TPM setup and in depth knowlegde to confirm or
deny if there is still something missing, but it sounds like it - either
that or a setup issue I don't know about.

Good to hear that at least this particular bug here is fixed as assumed.
Since it is unclear how a Xenial SRU would have to be actioned I set that to "opinion".

For your remaining issue I'd ask you to open a new bug on launchpad against "qemu" not "qemu (ubuntu)".
There is too much old context in here, otherwise I'd say we just add a task for that project.
It is your choice which you prefer.

Before you do open that report (or add that task) you could also move to the current development release (Artful) which has the brand new qemu 2.10.
You'll sooner or later have to recheck with that anyway for a proper upstream report.

If you happen to open a new bug it would be very kind if you could
report the bug number you get here, so I can subscribe myself.

** Changed in: qemu (Ubuntu Xenial)
       Status: Incomplete => Opinion

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https://bugs.launchpad.net/bugs/1615722

Title:
  TPM driver doesn't load in qemu Windows guest

Status in qemu package in Ubuntu:
  Fix Released
Status in qemu source package in Xenial:
  Opinion

Bug description:
  When passing through a TPM device to a qemu Windows 10 guest Windows
  will fail to initialize the TMP driver with the reason: 'device cannot
  find enough free resources'.  The bug was investigated and a patch
  provided upstream for qemu relesae 2.6 onwards.  See original bugzilla
  thread here https://bugzilla.redhat.com/show_bug.cgi?id=1281413.

  I've confirmed this bug also affects the stock qemu package (1:2.5
  +dfsg-5ubuntu10.4) in 16.04.  To resolve I built the qemu 2.6.1
  tarball and tested which solved the problem.

  My understanding is that qemu 2.6 is slated for 16.10 only, can this
  updated code be brought into the 16.04 LTS family also?

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: qemu-system-x86 1:2.5+dfsg-5ubuntu10.4
  ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
  Uname: Linux 4.4.0-34-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Aug 22 17:08:50 2016
  InstallationDate: Installed on 2016-04-24 (119 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-34-generic.efi.signed root=UUID=2de8fff7-85ef-4fa4-ac98-ba5118e3d3c9 ro intel_iommu=on intremap=no_x2apic_optout
  SourcePackage: qemu
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/17/2016
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P2.70
  dmi.board.name: Z97 Extreme6
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.70:bd05/17/2016:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ97Extreme6:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.
  modified.conffile..etc.modprobe.d.qemu-system-x86.conf:
   options kvm_intel nested=1
  mtime.conffile..etc.modprobe.d.qemu-system-x86.conf: 2016-08-19T21:18:23.866234

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