[Users] vcmmd broken after last update, CT/VM cannot start

[jehan Procaccia]

Hello

since last update [1]  , CTs / VMs cannot start anymore /
/

/# prlctl start vpn1
WARNING: You are using a deprecated CLI component that won't be 
installed by default in the next major release. Please use virsh instead
Starting the CT...
Failed to start the CT: PRL_ERR_VZCTL_OPERATION_FAILED (Details: vcmmd: 
failed to register Container: Failed to get VCMMD D-Bus name
vcmmd: failed to unregister Container: Failed to get VCMMD D-Bus name
vcmmd: failed to unregister Container: Failed to get VCMMD D-Bus name
Failed to start the Container/

it may be related to :

/https://bugs.openvz.org/browse/OVZ-7274/

/https://www.mail-archive.com/users@openvz.org/msg07741.html/

[1] Before update I had :

/vcmmd.noarch 8.0.77-1.vz7               @openvz-os/

/libvcmmd-8.0.9-1.vz7.x86_64/

/kernel : 3.10.0-1160.90.1.vz7.200.7 #1 SMP Wed Jul 12 12:00:44 MSK 2023 
x86_64 x86_64 x86_64 GNU/Linu/x

after

/vcmmd-8.0.88-1.vz7.noarch
/

/libvcmmd-8.0.10-1.vz7.x86_64
/

/kernel: 3.10.0-1160.105.1.vz7.214.3 #1 SMP Tue Jan 9 19:45:01 MSK 2024 
x86_64 x86_64 x86_64 GNU/Linux/

some related logs if it can help

/# tail /var/log/vcmmd.log -f
2024-01-29 12:23:27 CRITICAL vcmmd:     run_original(*args2, **kwargs2)
2024-01-29 12:23:27 CRITICAL vcmmd:   File 
"/usr/lib64/python3.6/threading.py", line 864, in run
2024-01-29 12:23:27 CRITICAL vcmmd: self._target(*self._args, 
**self._kwargs)
2024-01-29 12:23:27 CRITICAL vcmmd:   File 
"/usr/lib/python3.6/site-packages/vcmmd/ldmgr/policy.py", line 82, in 
wrapper
2024-01-29 12:23:27 CRITICAL vcmmd:     sleep_timeout = f(self, *args, 
**kwargs)
2024-01-29 12:23:27 CRITICAL vcmmd:   File 
"/usr/lib/python3.6/site-packages/vcmmd/ldmgr/policy.py", line 323, in 
ksm_controller
2024-01-29 12:23:27 CRITICAL vcmmd:     params = self.get_ksm_params()
2024-01-29 12:23:27 CRITICAL vcmmd:   File 
"/usr/lib/python3.6/site-packages/vcmmd/ldmgr/policies/NoOpPolicy.py", 
line 54, in get_ksm_params
2024-01-29 12:23:27 CRITICAL vcmmd:     if self.active_vm < 
ksm_vms_active_threshold or \
2024-01-29 12:23:27 CRITICAL vcmmd: AttributeError: 'NoOpPolicy' object 
has no attribute 'active_vm'
2024-01-29 12:23:33 INFO vcmmd: Started
2024-01-29 12:23:33 INFO vcmmd.config: Loading config from file 
'/etc/vz/vcmmd.conf'
2024-01-29 12:23:33 INFO vcmmd.host: ts.int.fr: 8194502656 bytes 
available for VEs
2024-01-29 12:23:33 ERROR vcmmd.host: ts.int.fr: Memory cgroup 
vstorage.slice does not exist
2024-01-29 12:23:33 ERROR vcmmd.ldmgr: Failed to load policy "density": 
Policy not found
2024-01-29 12:23:33 INFO vcmmd.ldmgr: Switch to fallback policy
2024-01-29 12:23:33 INFO vcmmd.ldmgr: Loaded policy "NoOpPolicy"
2024-01-29 12:23:33 CRITICAL vcmmd: Terminating program due to unhandled 
exception:
2024-01-29 12:23:33 CRITICAL vcmmd: Traceback (most recent call last):
2024-01-29 12:23:33 CRITICAL vcmmd:   File 
"/usr/lib/python3.6/site-packages/vcmmd/util/threading.py", line 43, in 
run_with_except_hook
2024-01-29 12:23:33 CRITICAL vcmmd:     run_original(*args2, **kwargs2)
2024-01-29 12:23:33 CRITICAL vcmmd:   File 
"/usr/lib64/python3.6/threading.py", line 864, in run
2024-01-29 12:23:33 CRITICAL vcmmd: self._target(*self._args, 
**self._kwargs)
2024-01-29 12:23:33 CRITICAL vcmmd:   File 
"/usr/lib/python3.6/site-packages/vcmmd/ldmgr/policy.py", line 82, in 
wrapper
2024-01-29 12:23:33 CRITICAL vcmmd:     sleep_timeout = f(self, *args, 
**kwargs)
2024-01-29 12:23:33 CRITICAL vcmmd:   File 
"/usr/lib/python3.6/site-packages/vcmmd/ldmgr/policy.py", line 323, in 
ksm_controller
2024-01-29 12:23:33 CRITICAL vcmmd:     params = self.get_ksm_params()
2024-01-29 12:23:33 CRITICAL vcmmd:   File 
"/usr/lib/python3.6/site-packages/vcmmd/ldmgr/policies/NoOpPolicy.py", 
line 54, in get_ksm_params
2024-01-29 12:23:33 CRITICAL vcmmd:     if self.active_vm < 
ksm_vms_active_threshold or \
2024-01-29 12:23:33 CRITICAL vcmmd: AttributeError: 'NoOpPolicy' object 
has no attribute 'active_vm'/

help will be greatly appreciated

regards .
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