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Message #13753
[Bug 1615722] Re: TPM driver doesn't load in qemu Windows guest
Thanks a lot, I tagged this up as it was dormant for too long.
I hope I get to this rather soon as I wasn't aware at all so far.
In the other bug there was some mentioning of a newer windows release fixing it (if on qemu 2.6.1).
If one could check that for this bug as well but on 2.5 that would be nice.
** Tags added: server-next
** Also affects: qemu (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: qemu (Ubuntu)
Status: Triaged => Fix Released
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Matching subscriptions: Ubuntu 16.04 Bugs
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:
New
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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