I see this error since today. Even stopping apparmor, then tearing down
all profiles, trying to start a kvm host gives:
root@vh01:~# service apparmor stop
* Clearing AppArmor profiles cache
[ OK ]
All profile caches have been cleared, but no profiles have been unloaded.
Unloading profiles will leave already running processes permanently
unconfined, which can lead to unexpected situations.
To set a process to complain mode, use the command line tool
'aa-complain'. To really tear down all profiles, run the init script
with the 'teardown' option."
root@vh01:~# service apparmor teardown
* Unloading AppArmor profiles
[ OK ]
root@vh01:~# virsh start ns1
error: Failed to start domain ns1
error: internal error Process exited while reading console log output: chardev:
opening backend "pty" failed
Looks like this is related to latest apparmor updates, but these do not
fix the error.
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https://bugs.launchpad.net/bugs/632696
Title:
libvirt won't start a VM with serial or console when apparmor is
enabled
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