failed to load seccomp syscall filter in kernel: Operation canceled

[Jiatong Shen]

Hello community,

   I am operating an openstack cluster where applications (libvirt/nova
etc) are running using containers. The compute node's arch is aarch64
(phytium 2500), when there are virtual machines around 60 or 70, I failed
to boot new virtual machines and faced with following error message,

error: internal error: qemu unexpectedly closed the monitor:
2022-10-24T06:23:54.545685Z qemu-system-aarch64: -sandbox
on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny:
failed to load seccomp syscall filter in kernel: Operation canceled


Interestingly, if I virsh stop one virtual machine, I am able to boot
another. Besides, I managed to manually boot a virtual machine without any
issue. So my question is what could be the potential cause of this behavior
and how can I deal with it? Thank you very much in advance for the help.

-- 

Best Regards,

Jiatong Shen
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