Public bug reported:
I use libvirt 2.1.0 from ubuntu 16.10 x64 to run a Windows 10 VM. The VM
runs fine if I do not add a TPM device. If I add a TPM device to the VM,
I get the following errors when I try to start the VM:
Connecting to monitor: 2016-10-24T14:03:37.178943Z qemu-system-x86_64:
-tpmdev passthrough,id=tpm-tpm0,path=/dev/fdset/2,cancel-
path=/dev/fdset/3: '/dev/fdset/2' is not a TPM device.
Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/asyncjob.py", line 90, in cb_wrapper
callback(asyncjob, *args, **kwargs)
File "/usr/share/virt-manager/virtManager/asyncjob.py", line 126, in tmpcb
callback(*args, **kwargs)
File "/usr/share/virt-manager/virtManager/libvirtobject.py", line 83, in newfn
ret = fn(self, *args, **kwargs)
File "/usr/share/virt-manager/virtManager/domain.py", line 1402, in startup
self._backend.create()
File "/usr/lib/python2.7/dist-packages/libvirt.py", line 1035, in create
if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: internal error: process exited while connecting to monitor:
2016-10-24T14:03:37.178943Z qemu-system-x86_64: -tpmdev
passthrough,id=tpm-tpm0,path=/dev/fdset/2,cancel-path=/dev/fdset/3:
'/dev/fdset/2' is not a TPM device.
And in dmesg, it has some apparmor denied messages:
[ 2187.750789] audit: type=1400 audit(1477317876.064:97): apparmor="DENIED"
operation="file_perm" profile="libvirt-c908a520-d74c-4557-a92e-da114eb49d65"
name="/dev/tpm0" pid=8884 comm="qemu-system-x86" requested_mask="w"
denied_mask="w" fsuid=122 ouid=122
[ 2187.750803] audit: type=1400 audit(1477317876.064:98): apparmor="DENIED"
operation="file_perm" profile="libvirt-c908a520-d74c-4557-a92e-da114eb49d65"
name="/dev/tpm0" pid=8884 comm="qemu-system-x86" requested_mask="w"
denied_mask="w" fsuid=122 ouid=122
** Affects: apparmor (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1636216
Title:
apparmor denied libvirt with TPM
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